Main Category Category Variable Anchor Cohort Label Units Type Comments Derivation Level
Cognition Executive Function tr_a_tm Executive Function Anchor ACT Trails A time to complete Seconds Integer
Cognition Executive Function tr_b_tm Executive Function Anchor ACT Trails B time to complete Seconds Integer
Cognition Executive Function dspanbac Executive Function Anchor ADNI WAIS-R: Digit Span Backward Total Correct Integer
Cognition Executive Function traascor Executive Function Anchor ADNI Trails A Time to Complete Seconds Integer
Cognition Executive Function trabscor Executive Function Anchor ADNI Trails B Time to complete Seconds Integer
Cognition Executive Function digitscor Executive Function Anchor ADNI WAIS-R: Digit Symbol Total Correct Integer
Cognition Executive Function dspanfor Executive Function Anchor ADNI WAIS-R: Digit Span Forward Total Correct Integer
Cognition Executive Function absmeas Executive Function Anchor ADNI MoCA: Abstraction: watch-ruler String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function abstran Executive Function Anchor ADNI MoCA: Abstraction: train-bicycle String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function trails Executive Function Anchor ADNI MoCA: Trails String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function digback_ADNI Executive Function Anchor ADNI MoCA: Digits Backward String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function digfor_ADNI Executive Function Anchor ADNI MoCA: Digits Forward String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function letters Executive Function Anchor ADNI MoCA: List of Letters/Tapping: # Errors Integer
Cognition Executive Function mmdltr Executive Function Anchor ADNI MMSE: Spell WORLD backward: Letter 1 String
Cognition Executive Function mmlltr Executive Function Anchor ADNI MMSE: Spell WORLD backward: Letter 2 String
Cognition Executive Function mmrltr Executive Function Anchor ADNI MMSE: Spell WORLD backward: Letter 3 String
Cognition Executive Function mmoltr Executive Function Anchor ADNI MMSE: Spell WORLD backward: Letter 4 String
Cognition Executive Function mmwltr Executive Function Anchor ADNI MMSE: Spell WORLD backward: Letter 5 String
Cognition Executive Function mmltr1 Executive Function Anchor ADNI Indicate 1st letter (of WORLD backwards) String
Cognition Executive Function mmltr2 Executive Function Anchor ADNI Indicate 2nd letter (of WORLD backwards) String
Cognition Executive Function mmltr3 Executive Function Anchor ADNI Indicate 3rd letter (of WORLD backwards) String
Cognition Executive Function mmltr4 Executive Function Anchor ADNI Indicate 4th letter (of WORLD backwards) String
Cognition Executive Function mmltr5 Executive Function Anchor ADNI Indicate 5th letter (of WORLD backwards) String
Cognition Executive Function ab1similaritiesraw Executive Function Anchor EFIGA WAIS-R: similarities, Spanish Integer
Cognition Executive Function ab4identitiesoditiessame Executive Function Anchor EFIGA identities/oddities: same Integer
Cognition Executive Function ab5identitiesoditiesdiffe Executive Function Anchor EFIGA identities/oddities: different Integer
Cognition Executive Function nsctt_time1 Executive Function Anchor EFIGA Color trail test A time Seconds Integer
Cognition Executive Function nsctt_time2 Executive Function Anchor EFIGA Color trail test B time Seconds Integer
Cognition Executive Function htablehmonthsinreverse Executive Function Anchor EFIGA SBT: month in reverse - number of errors Integer
Cognition Executive Function htablehcountbackwards Executive Function Anchor EFIGA SBT: count 20 to 1 - number of errors Integer
Cognition Executive Function traila_KnightADRC Executive Function Anchor Knight ADRC Trail Making A Seconds Integer traila_KnightADRC and tma are combined into one variable
Cognition Executive Function tma Executive Function Anchor Knight ADRC Trail Making A Seconds Integer traila_KnightADRC and tma are combined into one variable
Cognition Executive Function trailb_KnightADRC Executive Function Anchor Knight ADRC Trail Making B Seconds Integer
Cognition Executive Function digib_KnightADRC Executive Function Anchor Knight ADRC WMS-R: Digit span backward Integer
Cognition Executive Function digif_KnightADRC Executive Function Anchor Knight ADRC WMS-R: Digit span forward Integer
Cognition Executive Function digsym Executive Function Anchor Knight ADRC WAIS-R: Digit Symbol Integer
Cognition Executive Function worldback Executive Function Anchor Knight ADRC Spell WORLD backwards Integer
Cognition Executive Function digbacct_KnightADRC Executive Function Anchor Knight ADRC Number span backward Integer
Cognition Executive Function digforct_KnightADRC Executive Function Anchor Knight ADRC Number span forward Integer
Cognition Executive Function traila_NACC Executive Function Anchor NACC Trails A: Time to complete Seconds Integer
Cognition Executive Function trailb_NACC Executive Function Anchor NACC Trails B: Time to complete Seconds Integer
Cognition Executive Function mocatrai Executive Function Anchor NACC MoCA: Trails String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function mocaabst Executive Function Anchor NACC MoCA: Abstraction Integer
Cognition Executive Function mocalett Executive Function Anchor NACC MoCA: Attention - letter A String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function mocadigi Executive Function Anchor NACC MoCA: Attention - digits Integer
Cognition Executive Function wais Executive Function Anchor NACC WAIS-R Digit Symbol Integer
Cognition Executive Function digib_NACC Executive Function Anchor NACC WAIS-R Digit Span Backward: Total correct Integer
Cognition Executive Function digif_NACC Executive Function Anchor NACC WAIS-R Digit Span Forward: Total correct Integer
Cognition Executive Function digfor_NIA-AD-FBS Executive Function Anchor NIA-AD FBS Digit span forwards (WMS-R) Integer
Cognition Executive Function digbak Executive Function Anchor NIA-AD FBS Digit span backwards (WMS-R) Integer
Cognition Executive Function digord Executive Function Anchor NIA-AD FBS Digits ordering Integer
Cognition Executive Function mmse30_item26_dlr Executive Function Anchor ROS, MAP - Rush, MARS MMSE: Spell WORLD backwards Integer
Cognition Executive Function cts_db Executive Function Anchor ROS, MAP - Rush, MARS WAIS-R: Digit Span Backward Total Correct Integer
Cognition Executive Function cts_df Executive Function Anchor ROS, MAP - Rush, MARS WAIS-R: Digit Span Forward Total Correct Integer
Cognition Executive Function abs01 Executive Function Anchor WHICAP WAIS-R: Similarities Integer PARTIAL ANCHOR: When the test was administered in English, this item was an anchor. When this test was administered in Spanish, it was not an anchor.
Cognition Executive Function h30_rp Executive Function Anchor WHICAP SBT: Counting backwards from 20 - number of errors Integer h30_rp and h30_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Cognition Executive Function h30_n Executive Function Anchor WHICAP SBT: Counting backwards from 20 - number of errors Integer h30_rp and h30_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Cognition Executive Function h31_rp Executive Function Anchor WHICAP SBT: Months backwards - number of errors Integer h31_rp and h31_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Cognition Executive Function h31_n Executive Function Anchor WHICAP SBT: Months backwards - number of errors Integer h31_rp and h31_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Cognition Executive Function iqdspf Executive Function Anchor WRAP Digit Span - Forward (WAIS-III) Integer
Cognition Executive Function iqdspb Executive Function Anchor WRAP Digit Span - Backward (WAIS-III) Integer
Cognition Executive Function trla Executive Function Anchor WRAP Trail Making Test - Trail A Seconds Integer
Cognition Executive Function trlb Executive Function Anchor WRAP Trail Making Test - Trail B Seconds Integer
Cognition Executive Function cdtts Executive Function Anchor WRAP Clock Draw - CDT Total Score Integer
Cognition Executive Function waisrtot Executive Function Anchor WRAP Digit Symbol - Total Raw Integer
Cognition Language bnt_cer Language Anchor ACT CERAD: Boston Naming Test - 15-item version Integer
Cognition Language v_flu_t Language Anchor ACT Category Fluency (Animals) - Total Correct Integer
Cognition Language cas_read Language Anchor ACT CASI: read and follow a command String
Level Label
0 Neither reads nor obeys
1 Reads correctly, but does not obey
2 Obeys after prompting
3 Obeys without prompting
Cognition Language cmd Language Anchor ACT CASI: obey oral commands Integer
Cognition Language catanimsc Language Anchor ADNI Category Fluency (Animals) -Total Correct Integer
Cognition Language catvegesc Language Anchor ADNI Category Fluency (Vegetables) -Total Correct Integer
Cognition Language bnttotal Language Anchor ADNI BNT: Boston Naming Test: Total Number Correct (1+3) Integer
Cognition Language mmrepeat Language Anchor ADNI MMSE: Repeat after me: no ifs, ands, or buts. String
Cognition Language mmhand Language Anchor ADNI MMSE: Takes paper in right hand String
Cognition Language mmfold Language Anchor ADNI MMSE: Folds paper in half String
Cognition Language mmonflr Language Anchor ADNI MMSE: Puts paper on floor String
Cognition Language mmread Language Anchor ADNI MMSE: Present the piece of paper which reads String
Level Label
0 Incorrect
1 Correct
Cognition Language mmwrite Language Anchor ADNI MMSE: Write a sentence. String
Cognition Language camel Language Anchor ADNI MoCA: Camel naming String
Level Label
0 Incorrect
1 Correct
Cognition Language lion Language Anchor ADNI MoCA: Lion naming String
Level Label
0 Incorrect
1 Correct
Cognition Language rhino Language Anchor ADNI MoCA: Rhinoceros naming String
Level Label
0 Incorrect
1 Correct
Cognition Language repeat1 Language Anchor ADNI MoCA: Repeat Sentence String
Level Label
0 Incorrect
1 Correct
Cognition Language repeat2 Language Anchor ADNI MoCA: Repeat Sentence String
Level Label
0 Incorrect
1 Correct
Cognition Language ffluency Language Anchor ADNI MoCA: Letter Fluency-F (total number of correct words) Integer
Cognition Language 1g1namingtotal Language Anchor EFIGA BNT 15 item Integer
Cognition Language 1g10numberofanimals Language Anchor EFIGA Animal category fluency Integer
Cognition Language 1g12repetition Language Anchor EFIGA Boston Diagnostic Aphasia Examination repetition Integer
Cognition Language 1g13comprehension Language Anchor EFIGA Boston Diagnostic Aphasia Examination comprehension Integer
Cognition Language 1g6cflsum Language Anchor EFIGA Letter Fluency Total: CFL Integer
Cognition Language animals_KnightADRC Language Anchor Knight ADRC Category Fluency: animals Integer
Cognition Language veg_KnightADRC Language Anchor Knight ADRC Category Fluency: vegetables Integer
Cognition Language psy032 Language Anchor Knight ADRC Letter fluency: S Integer
Cognition Language udsverfc_KnightADRC Language Anchor Knight ADRC Letter fluency: F Integer
Cognition Language udsverlc_KnightADRC Language Anchor Knight ADRC Letter fluency: L Integer
Cognition Language fold Language Anchor Knight ADRC MMSE: Fold paper in half String
Cognition Language lap Language Anchor Knight ADRC MMSE: Puts paper on lap String
Cognition Language righ Language Anchor Knight ADRC MMSE: Take paper in right hand String
Cognition Language phra Language Anchor Knight ADRC MMSE: repeat phrase String
Cognition Language sent Language Anchor Knight ADRC MMSE: Write a sentence. String
Cognition Language redo Language Anchor Knight ADRC MMSE: read and do String
Cognition Language bnt Language Anchor Knight ADRC Boston Naming Test - 60 item total Integer
Cognition Language mocarepe Language Anchor NACC MoCA: language - repetition Integer
Cognition Language mocanami Language Anchor NACC MoCA: language - naming (lion, camel, rhino) Integer
Cognition Language animals_NACC Language Anchor NACC Category Fluency (Animals) - Total Correct Integer
Cognition Language boston Language Anchor NACC Boston Naming Test: Total number correct (1+3) Integer
Cognition Language veg_NACC Language Anchor NACC Category Fluency (Vegetables) - Total Correct Integer
Cognition Language udsverfc_NACC Language Anchor NACC MAE: Letter Fluency - F (total number of correct words) Integer
Cognition Language animals_NIA-AD-FBS Language Anchor NIA-AD FBS Category Fluency: animals Integer
Cognition Language veg_NIA-AD-FBS Language Anchor NIA-AD FBS Category Fluency: vegetables Integer
Cognition Language mmse30_item19 Language Anchor ROS, MAP - Rush, MARS MMSE: Repeat a phrase String
Level Label
0 Incorrect
1 Correct
Cognition Language mmse30_item20 Language Anchor ROS, MAP - Rush, MARS MMSE: Read the words on this card, then do what it says String
Level Label
0 Incorrect
1 Correct
Cognition Language mmse30_item21 Language Anchor ROS, MAP - Rush, MARS MMSE: Take paper in right hand String
Level Label
0 Incorrect
1 Correct
Cognition Language mmse30_item22 Language Anchor ROS, MAP - Rush, MARS MMSE: Fold paper in half String
Level Label
0 Incorrect
1 Correct
Cognition Language mmse30_item23 Language Anchor ROS, MAP - Rush, MARS MMSE: Puts paper on lap String
Level Label
0 Incorrect
1 Correct
Cognition Language mmse30_item24 Language Anchor ROS, MAP - Rush, MARS MMSE: Write any complete sentence String
Level Label
0 Incorrect
1 Correct
Cognition Language cts_bname Language Anchor ROS, MAP - Rush, MARS CERAD: Boston Naming Test ‒ 15-item version Integer
Cognition Language cts_animals Language Anchor ROS, MAP - Rush, MARS Category Fluency (Animals) - Total Correct Integer
Cognition Language lan10 Language Anchor WHICAP Category fluency: animals Integer
Cognition Language lan06 Language Anchor WHICAP Letter Fluency: CFL Integer
Cognition Language bntspon Language Anchor WRAP Boston Naming Test - Total-spontaneous (raw) Integer
Cognition Language animtotraw Language Anchor WRAP Animal Naming - Total Raw Integer
Cognition Language numberscoresf Language Anchor WRAP Phonemic fluency - Letter F Integer
Cognition Language numberscoresl Language Anchor WRAP Phonemic fluency - Letter L Integer
Cognition Memory mmarea Memory Anchor A4 MMSE What county (district, borough, area) are we in? String
Cognition Memory mmday_A4 Memory Anchor A4 MMSE What day of the week is today? String
Cognition Memory mmfloor_A4 Memory Anchor A4 MMSE What floor are we on? String
Cognition Memory mmhospit_A4 Memory Anchor A4 MMSE What is the name of this hospital (clinic, place)? String
Cognition Memory mmseason_A4 Memory Anchor A4 MMSE What season is it? String
Cognition Memory mmball Memory Anchor A4 MMSE repeat ball String
Cognition Memory mmflag Memory Anchor A4 MMSE repeat flag String
Cognition Memory mmtree Memory Anchor A4 MMSE repeat tree String
Cognition Memory mmballdl Memory Anchor A4 MMSE recall ball String
Cognition Memory mmflagdl Memory Anchor A4 MMSE recall flag String
Cognition Memory mmtreedl Memory Anchor A4 MMSE recall tree String
Cognition Memory ldeltotal_A4 Memory Anchor A4 WMS-R Logical Memory immediate recall. Integer PARTIAL ANCHOR: Includes scores for all 4 versions of logical memory that were adminsitered but split into different variables using lmstory. The Anna Thompson Story is the anchor variable, the Robert Miller Story is a non-anchor.
Cognition Memory limmtotal_A4 Memory Anchor A4 WMS-R Logical Memory delayed recall. Integer PARTIAL ANCHOR: Includes scores for all 4 versions of logical memory that were adminsitered but split into different variables using lmstory. The Anna Thompson Story is the anchor variable, the Robert Miller Story is a non-anchor.
Cognition Memory mmcity_A4 Memory Anchor A4 MMSE What city are we in? String
Cognition Memory mmstate_A4 Memory Anchor A4 MMSE What state are we in? String
Cognition Memory mmdate_A4 Memory Anchor A4 MMSE What is today's date? String
Cognition Memory mmmonth_A4 Memory Anchor A4 MMSE What is the month? String
Cognition Memory mmyear_A4 Memory Anchor A4 MMSE What is the year? String
Cognition Memory w_lm_ima Memory Anchor ACT WMS-R:Logical Mem I-immediate recall total story (AT*) Integer
Cognition Memory w_lm_dea Memory Anchor ACT WMS-R:Logical Mem II-delayed recall total story (AT) Integer
Cognition Memory yr Memory Anchor ACT CASI: What is today's date?-year String
Level Label
0 Missed by 6 or more years
1 Missed by 2-5 years
2 Missed by 1 year
4 Correct
Cognition Memory mo Memory Anchor ACT CASI: What is today's date?-month String
Level Label
0 Missed by 2 or more months
1 Missed by 1 month
2 Correct
Cognition Memory casi_dat Memory Anchor ACT CASI: What is today's date?-day String
Level Label
0 Missed by 6 or more days
1 Missed by 3-5 days
2 Missed by 1 or 2 days
3 Correct
Cognition Memory day Memory Anchor ACT CASI: What day of week? String
Level Label
0 Incorrect
1 Correct
Cognition Memory casi_ssn Memory Anchor ACT CASI: What season is it? String
Level Label
0 Incorrect
1 Correct
Cognition Memory spa Memory Anchor ACT CASI: What state and city? String
Level Label
0 City and State Incorrect
2 City or State Correct
4 City and State Correct
Cognition Memory limmtotal_ADNI Memory Anchor ADNI WMS-R: Logical Memory-Immediate Recall (AT) Integer
Cognition Memory ldeltotal_ADNI Memory Anchor ADNI WMS-R: Logical Memory-Delayed Recall (AT) Integer
Cognition Memory mmdate_ADNI Memory Anchor ADNI MMSE: What is today's date? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmyear_ADNI Memory Anchor ADNI MMSE: What is the year? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmmonth_ADNI Memory Anchor ADNI MMSE: What is the month? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmday_ADNI Memory Anchor ADNI MMSE: What day of the week is today? String
Cognition Memory mmseason_ADNI Memory Anchor ADNI MMSE: What season is it? String
Cognition Memory mmhospit_ADNI Memory Anchor ADNI MMSE: What is the name of this hospital (clinic, place)? String
Cognition Memory mmfloor_ADNI Memory Anchor ADNI MMSE: What floor are we on? String
Cognition Memory mmcity_ADNI Memory Anchor ADNI MMSE: What town or city are we in? String
Cognition Memory mmarea_ADNI Memory Anchor ADNI MMSE: What County (district, borough, area) are we in? String
Cognition Memory mmstate_ADNI Memory Anchor ADNI MMSE: What state are we in? String
Cognition Memory immt1w1 Memory Anchor ADNI Immediate (#1): Face String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt1w2 Memory Anchor ADNI Immediate (#1): Velvet String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt1w3 Memory Anchor ADNI Immediate (#1): Church String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt1w4 Memory Anchor ADNI Immediate (#1): Daisy String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt1w5 Memory Anchor ADNI Immediate (#1): Red String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt2w1 Memory Anchor ADNI Immediate (#2): Face String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt2w2 Memory Anchor ADNI Immediate (#2): Velvet String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt2w3 Memory Anchor ADNI Immediate (#2): Church String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt2w4 Memory Anchor ADNI Immediate (#2): Daisy String
Level Label
0 Incorrect
1 Correct
Cognition Memory immt2w5 Memory Anchor ADNI Immediate (#2): Red String
Level Label
0 Incorrect
1 Correct
Cognition Memory delw1 Memory Anchor ADNI Delayed: Face String
Level Label
0 Incorrect
1 Correct (no cue)
2 Correct (category cue)
3 Correct (multiple choice cue)
Cognition Memory delw2 Memory Anchor ADNI Delayed: Velvet String
Level Label
0 Incorrect
1 Correct (no cue)
2 Correct (category cue)
3 Correct (multiple choice cue)
Cognition Memory delw3 Memory Anchor ADNI Delayed: Church String
Level Label
0 Incorrect
1 Correct (no cue)
2 Correct (category cue)
3 Correct (multiple choice cue)
Cognition Memory delw4 Memory Anchor ADNI Delayed: Daisy String
Level Label
0 Incorrect
1 Correct (no cue)
2 Correct (category cue)
3 Correct (multiple choice cue)
Cognition Memory delw5 Memory Anchor ADNI Delayed: Red String
Level Label
0 Incorrect
1 Correct (no cue)
2 Correct (category cue)
3 Correct (multiple choice cue)
Cognition Memory m1totalrecall Memory Anchor EFIGA SRT: total of immediate recall trails 1-6 Integer
Cognition Memory m3delayedrecall Memory Anchor EFIGA SRT: delayed recall trial Integer
Cognition Memory m4delayedrecognition Memory Anchor EFIGA SRT: recognition Integer
Cognition Memory m12bentonrecognition Memory Anchor EFIGA BVRT: recognition Integer
Cognition Memory htablehwhattime Memory Anchor EFIGA SBT: what time is it? String
Level Label
0 No Errors
1 Error
Cognition Memory htablehrepeatname Memory Anchor EFIGA SBT: recall address - number of errors Integer
Cognition Memory nsorientation Memory Anchor EFIGA MMSE: orientation composite Integer
Cognition Memory craftvrs_KnightADRC Memory Anchor Knight ADRC Craft story 21, immediate recall Integer
Cognition Memory craftdvr_KnightADRC Memory Anchor Knight ADRC Craft story 21, delayed recall Integer
Cognition Memory udsbentd_KnightADRC Memory Anchor Knight ADRC Benson complex figure, delayed Integer
Cognition Memory udsbenrs_KnightADRC Memory Anchor Knight ADRC Benson complex figure, recognition String
Level Label
0 Yes, recognized
1 No, not recognized
Cognition Memory logimem_KnightADRC Memory Anchor Knight ADRC WMS-R: logical memory, immediate recall Integer
Cognition Memory memunits_KnightADRC Memory Anchor Knight ADRC WMS-R: logical memory, delayed recall Integer
Cognition Memory month_mmse Memory Anchor Knight ADRC MMSE: What month is it? String
Level Label
0 Incorrect
1 Correct
Cognition Memory year_mmse Memory Anchor Knight ADRC MMSE: What year is it? String
Level Label
0 Incorrect
1 Correct
Cognition Memory city_mmse Memory Anchor Knight ADRC MMSE: What city are we in? String
Level Label
0 Incorrect
1 Correct
Cognition Memory loca Memory Anchor Knight ADRC MMSE: What state are we in? String
Level Label
0 Incorrect
1 Correct
Cognition Memory seas Memory Anchor Knight ADRC MMSE: What season is it? String
Level Label
0 Incorrect
1 Correct
Cognition Memory date_mmse Memory Anchor Knight ADRC MMSE: What is the date? String
Level Label
0 Incorrect
1 Correct
Cognition Memory day_mmse Memory Anchor Knight ADRC MMSE: What day is it? String
Level Label
0 Incorrect
1 Correct
Cognition Memory place_mmse Memory Anchor Knight ADRC MMSE: What place is this? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmsetr1 Memory Anchor Knight ADRC MMSE: Repeat ball, flag, tree - combined Integer
Cognition Memory ball Memory Anchor Knight ADRC MMSE: Repeat ball, flag, tree - ball String
Cognition Memory flag Memory Anchor Knight ADRC MMSE: Repeat ball, flag, tree - flag String
Cognition Memory tree Memory Anchor Knight ADRC MMSE: Repeat ball, flag, tree - tree String
Cognition Memory ball2 Memory Anchor Knight ADRC MMSE: Recall ball, flag, tree - ball String
Cognition Memory flag2 Memory Anchor Knight ADRC MMSE: Recall ball, flag, tree - flag String
Cognition Memory tree2 Memory Anchor Knight ADRC MMSE: Recall ball, flag, tree - tree String
Cognition Memory leve Memory Anchor Knight ADRC MMSE: What floor are we on? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmseorda Memory Anchor NACC MMSE Orientation subscale score - time Integer
Cognition Memory mmseorlo Memory Anchor NACC MMSE Orientation subscale score - place Integer
Cognition Memory mocaordt Memory Anchor NACC MoCA orientation - date String
Level Label
0 Incorrect
1 Correct
Cognition Memory mocaordy Memory Anchor NACC MoCA orientation - day String
Level Label
0 Incorrect
1 Correct
Cognition Memory mocaormo Memory Anchor NACC MoCA orientation - month String
Level Label
0 Incorrect
1 Correct
Cognition Memory mocaoryr Memory Anchor NACC MoCA orientation - year String
Level Label
0 Incorrect
1 Correct
Cognition Memory mocaorct Memory Anchor NACC MoCA orientation - city String
Level Label
0 Incorrect
1 Correct
Cognition Memory mocaorpl Memory Anchor NACC MoCA orientation - place String
Level Label
0 Incorrect
1 Correct
Cognition Memory mocarecn Memory Anchor NACC MoCA delayed recall - no cue Integer
Cognition Memory logimem Memory Anchor NACC Logical Memory Immediate A: Story units recalled (Story A) Integer
Cognition Memory memunits Memory Anchor NACC Logical Memory Delayed A: Story units recalled (Story A) Integer
Cognition Memory mocaregi Memory Anchor NACC MoCA memory: registration (2 trials) Integer
Cognition Memory story Memory Anchor NIA-AD FBS logical memory IA -- story score (Anna Thompson) Integer
Cognition Memory delay Memory Anchor NIA-AD FBS logical memory IIA -- story score (story recall) Integer
Cognition Memory mmse30_item1 Memory Anchor ROS, MAP - Rush, MARS MMSE: What is the year? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item2 Memory Anchor ROS, MAP - Rush, MARS MMSE: What is the season of the year? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item3 Memory Anchor ROS, MAP - Rush, MARS MMSE: What is the date? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item4 Memory Anchor ROS, MAP - Rush, MARS MMSE: What is the day of the week? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item5 Memory Anchor ROS, MAP - Rush, MARS MMSE: What is the month? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item6 Memory Anchor ROS, MAP - Rush, MARS MMSE: What state are we in? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item7 Memory Anchor ROS, MAP - Rush, MARS MMSE: What County are we in? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item8 Memory Anchor ROS, MAP - Rush, MARS MMSE: What city are we in? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item9 Memory Anchor ROS, MAP - Rush, MARS MMSE: What room are we in? String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item10 Memory Anchor ROS, MAP - Rush, MARS What is the address of this place? Street number and name? String Previously separated into 10a (Street Number) and 10b (Street Name)
Level Label
0 Incorrect
1 Correct
Cognition Memory cts_story Memory Anchor ROS, MAP - Rush, MARS WMS-R: Logical memory (AT) Integer
Cognition Memory cts_delay Memory Anchor ROS, MAP - Rush, MARS WMS-R: Tell me the story again (AT) Integer
Cognition Memory orient Memory Anchor WHICAP MMSE: orientation composite Integer
Cognition Memory h29_rp Memory Anchor WHICAP SBT: what time is it? String h29_rp and h29_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Level Label
0 No Errors
1 Error
Cognition Memory h29_n Memory Anchor WHICAP SBT: what time is it? String h29_rp and h29_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Level Label
0 No Errors
1 Error
Cognition Memory h32_rp Memory Anchor WHICAP SBT: John Brown address - number of errors Integer h32_rp and h32_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Cognition Memory h32_n Memory Anchor WHICAP SBT: John Brown address - number of errors Integer h32_rp and h32_n: _rp is the research psysician short blessed (neuropsychological), _n is the neurological exam. These two items were combined, where _rp was the ideal item and _n was used when _rp was not available
Cognition Memory t1raw Memory Anchor WRAP AVLT Trial 1 Integer
Cognition Memory t2raw Memory Anchor WRAP AVLT Trial 2 Integer
Cognition Memory t3raw Memory Anchor WRAP AVLT Trial 3 Integer
Cognition Memory t4raw Memory Anchor WRAP AVLT Trial 4 Integer
Cognition Memory t5raw Memory Anchor WRAP AVLT Trial 5 Integer
Cognition Memory t6raw Memory Anchor WRAP AVLT Trial 6 Integer
Cognition Memory lbraw Memory Anchor WRAP AVLT List B Raw Integer
Cognition Memory drraw Memory Anchor WRAP AVLT Delayed Recall Raw Integer
Cognition Memory recraw Memory Anchor WRAP AVLT Recognition raw Integer
Cognition Memory wmsrar Memory Anchor WRAP Logical Memory Immediate A Integer
Cognition Memory wmsrbr Memory Anchor WRAP Logical Memory Immediate B Integer
Cognition Memory wmsrar2 Memory Anchor WRAP Logical Memory Delayed A Integer
Cognition Memory wmsrbr2 Memory Anchor WRAP Logical Memory Delayed B Integer
Cognition Visuospatial draw_ACT Visuospatial Anchor ACT CASI: Copy interlocking pentagons Integer
Cognition Visuospatial mmdraw Visuospatial Anchor ADNI MMSE: Copy interlocking pentagons String
Level Label
0 Incorrect
1 Correct
Cognition Visuospatial draw_KnightADRC Visuospatial Anchor Knight ADRC Copy interlocking pentagons String
Level Label
0 Incorrect
1 Correct
Cognition Visuospatial mmse30_item25 Visuospatial Anchor ROS, MAP - Rush, MARS MMSE: Copy interlocking pentagons String
Level Label
0 Incorrect
1 Correct
Clinical & Demographic Demographics PHC_Visit Harmonized Visit Number Integer
Clinical & Demographic Demographics PHC_Age_Cognition Participant's Age at Cognitive Visit Years Number Note: In NIAGADS, any age equal to or above 90 was changed to "90+"
Clinical & Demographic Demographics PHC_Age_Biomarker Particpant's Age at Biomarker Data Collection Years Number Note: In NIAGADS, any age equal to or above 90 was changed to "90+"
Clinical & Demographic Demographics PHC_Age_CardiovascularRisk Participant's Age at Cardiovascular Risk Data Collection Years Number Note: In NIAGADS, any age equal to or above 90 was changed to "90+"
Clinical & Demographic Demographics PHC_AgeDeath Participant's Age at Death Years Number Note: In NIAGADS, any age equal to or above 90 was changed to "90+"
Clinical & Demographic Demographics FollowUp_Time Follow up time from first cognitive visit. Years Number
Clinical & Demographic Demographics Sex Participant's Sex String
Level Label
1 Male
2 Female
Clinical & Demographic Demographics Race Participant's Race String
Level Label
1 American Indian or Alaska Native
2 Asian
3 Black or African American
4 Native Hawaiian or Other Pacific Islander
5 White
6 Multiple/Other/Unknown
Clinical & Demographic Demographics Ethnicity Participant's Ethnicity String
Level Label
1 Hispanic or Latino
2 Not Hispanic or Latino
Clinical & Demographic Demographics Education Participant's Education Years Integer
Clinical & Demographic Clinical Diagnosis Status of Alzheimer's Diagnosis String
Level Label
1 No Cognitive Impairment
2 Mild Cognitive Impairment
3 Alzheimer's Dementia
Clinical & Demographic Clinical ADSP_CaseControl Status of ADSP's Alzheimer's Diagnosis String
Level Label
0 Case
1 Control
Cognition Memory fcfreet1 A4 Free and cued selective reminding test trial 1 free recall. Integer Item was multiplied by 2 and summed with fccuedt1 to get the variable used in the model.
Cognition Memory fccuedt1 A4 Free and cued selective reminding test trial 1 cued recall. Integer Item was summed with 2 x fcfreet1 to get the variable used in the model.
Cognition Memory fcfreet2 A4 Free and cued selective reminding test trial 2 free recall. Integer Item was multiplied by 2 and summed with fccuedt2 to get the variable used in the model.
Cognition Memory fccuedt2 A4 Free and cued selective reminding test trial 2 cued recall. Integer Item was summed with 2 x fcfreet2 to get the variable used in the model.
Cognition Memory fcfreet3 A4 Free and cued selective reminding test trial 3 free recall. Integer Item was multiplied by 2 and summed with fccuedt3 to get the variable used in the model.
Cognition Memory fccuedt3 A4 Free and cued selective reminding test trial 3 cued recall. Integer Item was summed with 2 x fcfreet3 to get the variable used in the model.
Cognition Memory mat_mem ACT DRS: Mattis Dementia Rating Scale Memory score Integer
Cognition Memory w_in_c1 ACT CERAD: Word list learning trial 1 total score Integer
Cognition Memory w_in_c2 ACT CERAD: Word list learning trial 2 total score Integer
Cognition Memory w_in_c3 ACT CERAD: Word list learning trial 3 total score Integer
Cognition Memory w_rcl_c ACT CERAD: Word List Recall-correct Integer
Cognition Memory w_rcg_t ACT CERAD: Word Recognition-total correct Integer
Cognition Memory cp_re_ci ACT CERAD: Constructional Praxis Delay-circle Integer
Cognition Memory cp_re_di ACT CERAD: Constructional Praxis Delay-diamond Integer
Cognition Memory cr_re_re ACT CERAD: Constructional Praxis Delay-rectangles Integer
Cognition Memory cp_re_cu ACT CERAD: Constructional Praxis Delay-cube Integer
Cognition Memory w_lm_imb ACT WMS-R:Logical Mem I-immediate recall total story (RM*) Integer
Cognition Memory w_lm_deb ACT WMS-R:Logical Mem II-delayed recall total story (RM) Integer
Cognition Memory w_vp_ine ACT WMS-R:Verbal Paired Associates I easy Integer
Cognition Memory w_vp_inh ACT WMS-R:Verbal Paired Associates I hard Integer
Cognition Memory w_vp_ree ACT WMS-R:Verbal Paired Associates II easy Integer
Cognition Memory w_vp_reh ACT WMS-R:Verbal Paired Associates II hard Integer
Cognition Memory rgs1 ACT CASI: repeat words Integer
Cognition Memory rc1a ACT CASI: Word recall-something to wear - 1 String
Level Label
0 Incorrect
1 Correct (multiple choice cue)
2 Correct (category cue)
3 Correct (no cue)
Cognition Memory rc1b ACT CASI: Word recall-a color - 1 String
Level Label
0 Incorrect
1 Correct (multiple choice cue)
2 Correct (category cue)
3 Correct (no cue)
Cognition Memory rc1c ACT CASI: Word recall-personal quality - 1 String
Level Label
0 Incorrect
1 Correct (multiple choice cue)
2 Correct (category cue)
3 Correct (no cue)
Cognition Memory spb ACT CASI: What is this place? String
Level Label
0 Incorrect
1 Correct
Cognition Memory rc2a ACT CASI: Word recall-something to wear - 2 String
Level Label
0 Incorrect
1 Correct (multiple choice cue)
2 Correct (category cue)
3 Correct (no cue)
Cognition Memory rc2b ACT CASI: Word recall-a color - 2 String
Level Label
0 Incorrect
1 Correct (multiple choice cue)
2 Correct (category cue)
3 Correct (no cue)
Cognition Memory rc2c ACT CASI: Word recall-personal quality - 2 String
Level Label
0 Incorrect
1 Correct (multiple choice cue)
2 Correct (category cue)
3 Correct (no cue)
Cognition Memory rcobj ACT CASI: Recall of 5 objects Integer
Cognition Memory avtot1 ADNI Rey: AVLT Trial 1 Total Integer
Cognition Memory avtot2 ADNI Rey: AVLT Trial 2 Total Integer
Cognition Memory avtot3 ADNI Rey: AVLT Trial 3 Total Integer
Cognition Memory avtot4 ADNI Rey: AVLT Trial 4 Total Integer
Cognition Memory avtot5 ADNI Rey: AVLT Trial 5 Total Integer
Cognition Memory avtot6 ADNI Rey: AVLT Trial 6 Total Integer
Cognition Memory avtotb ADNI Rey: AVLT List B Total Integer
Cognition Memory avdel30min ADNI Rey: AVLT 30 Minute Delay Total Integer
Cognition Memory avdeltot ADNI Rey: AVLT Recognition Score Integer
Cognition Memory mmword1 ADNI MMSE: ball-immediate recall String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmword2 ADNI MMSE: flag-immediate recall String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmword3 ADNI MMSE: tree-immediate recall String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmword1dl ADNI MMSE: ball-delayed recall String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmword2dl ADNI MMSE: flag-delayed recall String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmword3dl ADNI MMSE: tree-delayed recall String
Level Label
0 Incorrect
1 Correct
Cognition Memory q1score ADNI ADAS-Cog: Word Recall-score Number
Cognition Memory q4score ADNI ADAS-Cog: Delayed Word Recall Integer
Cognition Memory q7score ADNI ADAS-Cog: Orientation-score Integer
Cognition Memory q8score ADNI ADAS-Cog: Word Recognition-score Integer
Cognition Memory srt1f Knight ADRC Free and cued selective reminding test, trial 1 Integer
Cognition Memory srt2f Knight ADRC Free and cued selective reminding test, trial 2 Integer
Cognition Memory srt3f Knight ADRC Free and cued selective reminding test, trial 3 Integer
Cognition Memory psy010 Knight ADRC WMS: Associate learning recall, easy Integer
Cognition Memory psy011 Knight ADRC WMS: Associate learning recall, hard Integer
Cognition Memory psy004 Knight ADRC WMS (original): logical memory, immediate recall Number
Cognition Memory psy251 Knight ADRC WMS (original): logical memory, delayed recall Number
Cognition Memory psy023 Knight ADRC Benton visual retention test, recognition Integer
Cognition Memory psy013 Knight ADRC WMS: Associate learning recognition, easy Integer
Cognition Memory psy014 Knight ADRC WMS: Associate learning recognition, hard Integer
Cognition Memory ksbt3 Knight ADRC What time is it? String
Cognition Memory ksbt6 Knight ADRC Repeat back John Brown memory phase Integer
Cognition Memory msq07 Knight ADRC Who is the current president? String
Cognition Memory msq08 Knight ADRC Who was the previous president? String
Cognition Memory craftdvr NACC Craft story 21 recall (delayed): paraphrase Integer
Cognition Memory craftvrs NACC Craft story 21 recall (delayed): verbatim Integer
Cognition Memory udsbentd NACC Benson complex figure copy, delayed Integer
Cognition Memory udsbenrs NACC Benson complex figure recognition String
Cognition Memory mmse30_item11 ROS, MAP - Rush, MARS MMSE: apple (immediate recall) String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item12 ROS, MAP - Rush, MARS MMSE: table (immediate recall) String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item13 ROS, MAP - Rush, MARS MMSE: penny (immediate recall) String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item14 ROS, MAP - Rush, MARS MMSE: apple (delayed recall) String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item15 ROS, MAP - Rush, MARS MMSE: table (delayed recall) String
Level Label
0 Incorrect
1 Correct
Cognition Memory mmse30_item16 ROS, MAP - Rush, MARS MMSE: penny (delayed recall) String
Level Label
0 Incorrect
1 Correct
Cognition Memory cts_wliii ROS, MAP - Rush, MARS CERAD: Word list recognition Integer
Cognition Memory cts_wlii ROS, MAP - Rush, MARS CERAD: Word list recall Integer
Cognition Memory cts_ebmt ROS, MAP - Rush, MARS East Boston Memory Test-immediate recall Integer
Cognition Memory cts_ebdr ROS, MAP - Rush, MARS East Boston Memory Test-delayed recall Integer
Cognition Memory wli_item1 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item2 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item3 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item4 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item5 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item6 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item7 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item8 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item9 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item10 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 1 (10 items collapsed) String
Cognition Memory wli_item11 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item12 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item13 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item14 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item15 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item16 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item17 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item18 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item19 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item20 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 2 (10 items collapsed) String
Cognition Memory wli_item21 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item22 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item23 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item24 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item25 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item26 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item27 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item28 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item29 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory wli_item30 ROS, MAP - Rush, MARS CERAD: Word list learning Trial 3 (10 items collapsed) String
Cognition Memory mem01 WHICAP SRT: immediate recall trials Integer
Cognition Memory mem03 WHICAP SRT: delayed recall Integer
Cognition Memory mem04 WHICAP SRT: recognition Integer
Cognition Memory mem11 WHICAP BVRT: recognition Integer
Cognition Memory bvmt1r WRAP Brief Visuospatial Memory Test Revised Trial 1 Raw Integer
Cognition Memory bvmt2r WRAP Brief Visuospatial Memory Test Revised Trial 2 Raw Integer
Cognition Memory bvmt3r WRAP Brief Visuospatial Memory Test Revised Trial 3 Raw Integer
Cognition Memory bvmtdel WRAP BVMT-R delayed Raw Integer
Cognition Memory bvmtrec WRAP BVMT-R Rec hits Integer
Cognition Memory PHC_MEM Harmonized Harmonized Composite Memory Score Number This is a composite measure of the memory scores that were harmonized across ten datasets.
Cognition Memory PHC_MEM_SE Harmonized Standard Error of Harmonized Composite Memory Score Number
Cognition Memory PHC_MEM_PreciseFilter Harmonized Precision Filter to isolate Harmonized Composite Memory Scores String Precision filter criteria is met when the standard error is less than or equal to 0.6
Level Label
0 Does not meet PreciseFilter criteria
1 Does meet PreciseFilter criteria
Cognition Executive Function mat_attn ACT DRS: Mattis Dementia Rating Scale, Attention score Integer
Cognition Executive Function mat_conc ACT DRS: Mattis Dementia Rating Scale, Concentration score Integer
Cognition Executive Function mat_ip ACT DRS: Mattis Dementia Rating Scale, initiation / perseveration score Integer
Cognition Executive Function clockdr ACT Clock drawing Integer
Cognition Executive Function dba ACT CASI: repeat numbers backward (3 trials collapsed) String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function dbb ACT CASI: repeat numbers backward (3 trials collapsed) String
Level Label
0 Incorrect
2 Correct
Cognition Executive Function dbc ACT CASI: repeat numbers backward (3 trials collapsed) String
Level Label
0 Incorrect
2 Correct
Cognition Executive Function sub3a ACT CASI: Subtraction (3 trials collapsed) String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function sub3b ACT CASI: Subtraction (3 trials collapsed) String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function sub3c ACT CASI: Subtraction (3 trials collapsed) Integer
Cognition Executive Function sim_ACT ACT CASI: similarities Integer
Cognition Executive Function jgmt ACT CASI: judgement Integer
Cognition Executive Function clockcirc ADNI Approximately circular face String
Cognition Executive Function clocksym ADNI Symmetry of number placement String
Cognition Executive Function clocknum ADNI Correctness of numbers String
Cognition Executive Function clockhand ADNI Presence of the two hands String
Cognition Executive Function clocktime ADNI Presence of the two hands, set to ten after eleven String
Cognition Executive Function q13score ADNI ADAS-Cog: Number cancellation task Integer
Cognition Executive Function serial1 ADNI MoCA: Serial 7: 1st Subtraction String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function serial2 ADNI MoCA: Serial 7: 2nd Subtraction String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function serial3 ADNI MoCA: Serial 7: 3rd Subtraction String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function serial4 ADNI MoCA: Serial 7: 4th Subtraction String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function serial5 ADNI MoCA: Serial 7: 5th Subtraction String
Level Label
0 Incorrect
1 correct
Cognition Executive Function tmb Knight ADRC Trail Making B Seconds Integer
Cognition Executive Function digback_KnightADRC Knight ADRC WMS: Digit span backwards Integer
Cognition Executive Function digfor_KnightADRC Knight ADRC WMS: Digit span forward Integer
Cognition Executive Function mentcont Knight ADRC WMS: Mental control summary score Integer
Cognition Executive Function msq10 Knight ADRC Pfeiffer: subtract 3s from 20 String
Cognition Executive Function ksbt4 Knight ADRC SBT: count aloud backward - # of errors Integer
Cognition Executive Function ksbt5 Knight ADRC SBT: name the months of the year backwards - # of errors Integer
Cognition Executive Function sim_KnightADRC Knight ADRC WAIS-III: similarities Integer
Cognition Executive Function simonnumber Knight ADRC Simon task: number of correct responses on 120 trials Integer
Cognition Executive Function tapping Knight ADRC median tapping response out of 109 trials Integer
Cognition Executive Function stroopcolor Knight ADRC color only stroop Integer
Cognition Executive Function stroopswitch Knight ADRC color/word stroop Integer
Cognition Executive Function switchcv Knight ADRC consonant/vowel Integer
Cognition Executive Function switchoe Knight ADRC odd/even Integer
Cognition Executive Function switchmixed Knight ADRC switch c/v and o/e Integer
Cognition Executive Function readtot Knight ADRC reading total Integer
Cognition Executive Function mocacloc NACC MoCA: Draw clock circle in place String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function mocaclon NACC MoCA: Draw clock numbers in place String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function mocacloh NACC MoCA: Draw clock hands in place String
Level Label
0 Incorrect
1 Correct
Cognition Executive Function mocaser7 NACC MoCA: Attention - serial 7s Integer
Cognition Executive Function digbacct_NACC NACC Number Span Backward - correct Integer
Cognition Executive Function digforct_NACC NACC Number Span Forward - correct Integer
Cognition Executive Function cts_pmat ROS, MAP - Rush, MARS Raven Progressive Matrices composite Integer
Cognition Executive Function cts_doperf ROS, MAP - Rush, MARS Digit Ordering composite Integer
Cognition Executive Function cts_sdmt ROS, MAP - Rush, MARS Symbol digit modality test (oral) Integer
Cognition Executive Function cts_nccrtd ROS, MAP - Rush, MARS Number comparison Integer
Cognition Executive Function abs04 WHICAP Identities and oddities, same Integer
Cognition Executive Function abs05 WHICAP Identities and oddities, different Integer
Cognition Executive Function color1t WHICAP Color trails 1 Seconds Integer
Cognition Executive Function color2t WHICAP Color trails 2 Seconds Integer
Cognition Executive Function iqlnsr WRAP Letter/Number Sequence - Raw score Integer
Cognition Executive Function stroocw WRAP STROOP - Number named for Color-Word Integer
Cognition Executive Function PHC_EXF Harmonized Harmonized Composite Executive Function Score Number This is a composite measure of the Executive Function scores that were harmonized across nine datasets.
Cognition Executive Function PHC_EXF_SE Harmonized Standard Error of Harmonized Composite Executive Function Score Number
Cognition Executive Function PHC_EXF_PreciseFilter Harmonized Precision Filter to isolate Harmonized Composite Executive Function Scores String Precision filter criteria is met when the standard error is less than or equal to 0.6
Level Label
0 Does not meet PreciseFilter criteria
1 Does meet PreciseFilter criteria
Cognition Language bnt_adpr ACT Boston Naming Test - 10-item version Integer
Cognition Language animal ACT CASI: animals with 4 legs Integer
Cognition Language rpta ACT CASI: repeat phrase - 1 String
Level Label
0 Three or more missed or wrong words
1 One or two missed or wrong words
2 Correct
Cognition Language rptb ACT CASI: repeat phrase - 2 Integer
Cognition Language cas_writ ACT CASI: write a sentence Integer
Cognition Language body ACT CASI: identify parts of body Integer
Cognition Language obja ACT CASI: identify objects - 1 Integer
Cognition Language objb ACT CASI: identify objects - 2 Integer
Cognition Language q2score ADNI ADAS-Cog: Commands Integer
Cognition Language q5score ADNI ADAS-Cog: Naming Integer
Cognition Language q6score ADNI ADAS-Cog: Ideational Praxis-score Integer
Cognition Language psy033 Knight ADRC Letter fluency: P Integer
Cognition Language minttots NACC Multilingual naming test (MINT) - total score Integer
Cognition Language udsverlc_NACC NACC MAE: Letter Fluency - L (total number of correct words) Integer
Cognition Language mmse30_item26_wor ROS, MAP - Rush, MARS MMSE: Spell WORLD forwards String
Level Label
0 Incorrect
1 Correct
Cognition Language cts_clothing ROS, MAP - Rush, MARS Category Fluency (Clothing) - Total Correct Integer
Cognition Language cts_fruits ROS, MAP - Rush, MARS Category Fluency (Fruits) - Total Correct Integer
Cognition Language idea_item1 ROS, MAP - Rush, MARS Complex ideation: Will a board sink in water? String
Cognition Language idea_item2 ROS, MAP - Rush, MARS Complex ideation: Will a stone sink in water? String
Cognition Language idea_item3 ROS, MAP - Rush, MARS Complex ideation: Is a hammer good for cutting wood? String
Cognition Language idea_item4 ROS, MAP - Rush, MARS Complex ideation: Can you use a hammer to pound nails? String
Cognition Language idea_item5 ROS, MAP - Rush, MARS Complex ideation: Do two pounds of flour weigh more than one? String
Cognition Language idea_item6 ROS, MAP - Rush, MARS Complex ideation: Is one pound of flour heavier than two? String
Cognition Language idea_item7 ROS, MAP - Rush, MARS Complex ideation: Will water go through a good pair of rubber boots? String
Cognition Language idea_item8 ROS, MAP - Rush, MARS Complex ideation: Will a good pair of rubber boots keep water out? String
Cognition Language lan01 WHICAP Boston Naming Test: Naming Total Integer
Cognition Language lan12 WHICAP BDAE Repetition Integer
Cognition Language lan13 WHICAP BDAE Comprehension Integer
Cognition Language flucfl WRAP Letter Fluency - C,F,L Raw Integer
Cognition Language strooc WRAP STROOP - Number named for Color Integer
Cognition Language numberscoresc WRAP Phonemic fluency - Letter C Integer
Cognition Language PHC_LAN Harmonized Harmonized Composite Language Score Number This is a composite measure of the Language scores that were harmonized across nine datasets.
Cognition Language PHC_LAN_SE Harmonized Standard Error of Harmonized Composite Language Score Number
Cognition Language PHC_LAN_PreciseFilter Harmonized Precision Filter to isolate Harmonized Composite Language Scores String Precision filter criteria is met when the standard error is less than or equal to 0.6
Level Label
0 Does not meet PreciseFilter criteria
1 Does meet PreciseFilter criteria
Cognition Visuospatial mat_cons ACT DRS: Mattis Dementia Rating Scale-constructional praxis score Integer
Cognition Visuospatial cp_in_ci ACT CERAD: Constructional Praxis-circle Integer
Cognition Visuospatial cp_in_di ACT CERAD: Constructional Praxis-diamond Integer
Cognition Visuospatial cp_in_re ACT CERAD: Constructional Praxis-rectangles Integer
Cognition Visuospatial cp_in_cu ACT CERAD: Constructional Praxis-cube Integer
Cognition Visuospatial copycirc ADNI Clock copy: Approximately circular face String
Level Label
0 Incorrect
1 Correct
Cognition Visuospatial copysym ADNI Clock copy: Symmetry of number placement String
Level Label
0 Incorrect
1 Correct
Cognition Visuospatial copynum ADNI Clock copy: Correctness of numbers String
Level Label
0 Incorrect
1 Correct
Cognition Visuospatial copytime ADNI Clock copy: Presence of the two hands, set to ten after eleven String
Level Label
0 Incorrect
1 Correct
Cognition Visuospatial q3score ADNI ADAS-Cog: Constructional Praxis-score Integer
Cognition Visuospatial psy021 Knight ADRC WAIS: Block Design Integer
Cognition Visuospatial psy025 Knight ADRC Benton Visual Retention - number correct Integer
Cognition Visuospatial psy247 Knight ADRC Benton Visual Discrimination - number correct Integer
Cognition Visuospatial udsbentc Knight ADRC Benson Figure Copy Integer
Cognition Visuospatial lopair_item1 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item2 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item3 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item4 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item5 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item6 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item7 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item8 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item9 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item10 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item11 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item12 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item13 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item14 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial lopair_item15 ROS, MAP - Rush, MARS JLO: Line orientation items (15 items) String
Cognition Visuospatial PHC_VSP Harmonized Harmonized Composite Visuospatial Score Number This is a composite measure of the Visuospatial scores that were harmonized across four datasets.
Cognition Visuospatial PHC_VSP_SE Harmonized Standard Error of Harmonized Composite Visuospatial Score Number
Cognition Visuospatial PHC_VSP_PreciseFilter Harmonized Precision Filter to isolate Harmonized Composite Visuospatial Scores String Precision filter criteria is met when the standard error is less than or equal to 0.6
Level Label
0 Does not meet PreciseFilter criteria
1 Does meet PreciseFilter criteria
Fluid Biomarkers General Platform Immunoassay platform used for biomarker measurement String
Fluid Biomarkers General AT_class A+/- and T+/- class as identified from CSF biomarker levels String
Fluid Biomarkers AB42 PHC_AB42 Harmonized Z-Score for AB42 Biomarker Levels Number
Fluid Biomarkers AB42 AB42_RAW Raw AB42 Biomarker Levels Number
Fluid Biomarkers Tau PHC_Tau Harmonized Z-Score for Tau Biomarker Levels Number
Fluid Biomarkers Tau Tau_RAW Raw Tau Biomarker Levels Number
Fluid Biomarkers pTau PHC_pTau Harmonized Z-Score for pTau Biomarker Levels Number
Fluid Biomarkers pTau pTau_RAW Raw pTau Biomarker Levels Number
Vascular Risk Factors Hypertension PHC_Hypertension History of Hypertension String
Level Label
0 No Hypertension
1 Hypertension
Vascular Risk Factors Diabetes PHC_Diabetes History of Diabetes String
Level Label
0 No Diabetes
1 Diabetes
Vascular Risk Factors Heart Disease PHC_Heart History of Heart Disease String
Level Label
0 No Heart Disease
1 Heart Disease
Vascular Risk Factors BMI PHC_BMI Body Mass Index (BMI) Number
Vascular Risk Factors Cardiovascular Risk Factor Score PHC_CVRScore Harmonized Cardiovascular Risk Factor Score Number
Neuropathology General Neuropath BRAINWT Brain Weight Grams Number
Neuropathology General Neuropath INT Interval between last exam and death Months Integer
Neuropathology General Neuropath PMI Post-mortem interval Hours Number
Neuropathology Amyloid Deposition AMY_THAL Thal Phase String
Level Label
0 None
1 Phase 1
2 Phase 2
3 Phase 3
4 Phase 4
5 Phase 5
Neuropathology Amyloid Deposition AMY_A A Score String
Level Label
0 None
1 Thal Phase 1 or 2
2 Thal Phase 3
3 Thal Phase 4 or 5
Neuropathology Amyloid Deposition AMY_CERAD CERAD String
Level Label
0 None
1 Sparse/Possible
2 Moderate/Probable
3 Definite/Frequent
Neuropathology Amyloid Deposition AMY_ANY Any Amyloid Presence String
Level Label
0 None
1 Some Amyloid
Neuropathology Neurofibirillary Degeneration BRAA Braak Stage String
Level Label
0 None
1 BRAAK Stage I
2 BRAAK Stage II
3 BRAAK Stage III
4 BRAAK Stage IV
5 BRAAK Stage V
6 BRAAK Stage VI
Neuropathology Neurofibirillary Degeneration B_SCORE B score String
Level Label
0 None
1 BRAAK Stage I-II
2 BRAAK Stage III-IV
3 BRAAK Stage V-VI
Neuropathology General ADNC ADNC ADNC severity score String
Level Label
0 Not AD
1 Low
2 Intermediate
3 High
Neuropathology General ADNC REAG NIA-REAGAN criteria for AD String
Level Label
0 None
1 Low Likelihood
2 Intermediate Likelihood
3 High Likelihood
Neuropathology Lewy Bodies LEWY_full PD Braak Staging String
Level Label
0 None
1 Brainstem predom.
2 Limbic/amygdala (transitional)
3 Neocortical (diffuse)
4 Olfactory bulb or Region unspecified
Neuropathology Lewy Bodies LEWY_grp PD Braak (grouped) String
Level Label
0 None
1 Brainstem predom.
2 Transitional, diffuse, olfactory bulb, or region unspecified
Neuropathology Lewy Bodies LEWY_ANY PD Braak (dichotomous) String
Level Label
0 None
1 Brainstem, transitional, diffuse, olfactory bulb, or region unspecified
Neuropathology Vascular Brain Injury INFA Infarcts and lacunes String
Level Label
0 No
1 Yes
Neuropathology Vascular Brain Injury HEMOR Hemorrhages String
Level Label
0 No
1 Yes
Neuropathology Vascular Brain Injury MICR Microinfarcts String
Level Label
0 No
1 Yes
Neuropathology Vascular Brain Injury WMRCAL White matter rarifaction (cerebral arteriosclerotic leukoencephalopthy) String
Level Label
0 No
1 Yes
Neuropathology Vascular Brain Injury WMR White matter rarifaction String
Level Label
0 None
1 Mild
2 Moderate
3 Severe
Neuropathology Vascular Brain Injury WBVD Whole brain vascular disease String
Level Label
0 No
1 Yes
Neuropathology Hippocampal Sclerosis HS_L Hippocampal sclerosis (with laterality) String
Level Label
0 None
1 Unilateral
2 Bilateral
3 Present, Location UK
Neuropathology Hippocampal Sclerosis HS_S Hippocampal sclerosis (simplified) String
Level Label
0 No
1 Yes
Neuropathology TDP43 TDP43 TDP Whole Brain (dichotomous) String
Level Label
0 No
1 Yes (positive in amygdala/ hippocampus/etorhinal/neocortex)
Neuropathology TDP43 TDP_3 TDP - 3 Component String
Level Label
0 None
1 Amygdala
2 Hippocampus or Etorhinal
3 Neocortex
Neuropathology TDP43 TDP_5 TDP Stage String Assumes that TDP progresses from brainstem>amygdala>hippocampus>inferior temporal cortex>neocortex
Level Label
0 None
1 Brainstem/Spinal Cord
2 Amygdala
3 Hippocampus
4 Entorhinal
5 Neocortex
Neuropathology Cerebrovascular Disease CVD_S Cerebrovascular Disease (simplified) String
Level Label
0 None
1 Presence
Neuropathology Cerebrovascular Disease CVD_ATH Atherosclerosis String
Level Label
0 None
1 Mild
2 Moderate
3 Severe
Neuropathology Cerebrovascular Disease CVD_ATH_ANY Atherosclerosis (dichotomous) String
Level Label
0 No
1 Yes
Neuropathology Cerebrovascular Disease CVD_ART Arteriolosclerosis String
Level Label
0 None
1 Mild
2 Moderate
3 Severe
Neuropathology Cerebrovascular Disease CVD_ART_ANY Arteriolosclerosis (dichotomous) String
Level Label
0 No
1 Yes
Neuropathology Cerebrovascular Disease CVD_CAA Cerebral Amyloid Angiopathy (CAA) String
Level Label
0 None
1 Mild
2 Moderate
3 Severe
Neuropathology Cerebrovascular Disease CVD_CAA_ANY Cerebral Amyloid Angiopathy (CAA) (dichotomous) String
Level Label
0 No
1 Yes


Variable Details


obja -- CASI: identify objects - 1


Cohort: ACT