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NDAR provides a single access to de-identified autism research data. For permission to download data, you will need an NDAR account with approved access to NDAR or a connected repository (AGRE, IAN, or the ATP). For NDAR access, you need to be a research investigator sponsored by an NIH recognized institution with federal wide assurance. See Request Access for more information.

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The filters you have selected from various query interfaces will be stored here, in the 'Filter Cart'. The database will be queried using filters added to your 'Filter Cart', when multiple filters are defined, each will be executed using 'AND' logic, so with each filter that is applied the result set gets smaller.

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["Clinical Assessments","Federated","Federated; AGRE","Federated; ATP","Federated; IAN","Federated; SFARI","Neurosignal Recordings","Omics"]
["ABCD","ACE Common Measures","ACE Common Measures V2","AGRE","ATP","CPEA STAART","IAN","MACH15","NDAR","NDCT","NIH Toolbox","Osteoarthritis Initiative","PING","Pediatric MRI","PhenX","RDoC","SFARI"]
["ADHD","Abuse","Acoustics","Activity","Addiction","Adverse Events","Aggression","Anger","Anxiety","Arousal","Attention","Behavior","Body Image","Cognitive","Conflict","Coping","DTI","DTI, MRI, fMRI","Delusions","Demographics","Depression","Diagnostic","EEG","EGG","EMG","ERP","Emotions","Enrollment","Entry Form","Evaluated Data","Exit Form","Experimental","Exposure","Eye Tracking","Fatigue","Fear","Food","Gen Test","Hallucinations","IQ","Life Events","Loneliness","MEG","MRI","Mania","Med History","Mood","Network","Neurophysiology","OCD","Omics","PTSD","Pain","Panic","Parenting","Personality","Phobia","Phys Characteristics","Phys Exam","Pleasure","Psychosis","Quality of Life","Questionnaire","Relationships","Resolve Identifiers","Satisfaction","Seizure","Self-Harm","Sensory","Side Effects","Sleep","Social Adjustment","Social Responsiveness","Social Support","Socioeconomic","Spectroscopy","Speech-Language","Stigma","Stress","Substance Use","Suicide","Summary","Task Based","Taste","Temperament","Trauma","Treatment","Violence","Well-Being","X-Ray"]
SelectTitleShort NameSourcesCategoriesSubmissionShared Subjects
ABCD Cash Choice Taskcct01ABCDTask BasedNo4,524
ABCD Children's Report of Parental Behavioral Inventorycrpbi01ABCDParentingNo4,524
ABCD Developmental History Questionnairedhx01ABCDMed HistoryNo4,524
ABCD Family History Assessment Part 1fhxp101ABCDMed HistoryNo4,524
ABCD Family History Assessment Part 2fhxp201ABCDMed HistoryNo4,524
ABCD Hormone Saliva Salimetric Scoresabcd_hsss01ABCDPhys ExamNo4,524
ABCD Little Man Task Part 2lmtp201ABCDTask BasedNo4,524
ABCD MRI Behavior MIDabcd_mid01ABCDTask BasedNo3,547
ABCD MRI Behavior N-Backabcd_mrinback01ABCDTask BasedNo3,424
ABCD MRI Behavior SSTabcd_sst01ABCDTask BasedNo3,466
ABCD MRI QCmriqc01ABCDEvaluated DataAllowed4,524
ABCD MRI Resting State Correlation Between Networksabcd_betnet01ABCDEvaluated DataAllowed3,947
ABCD MRI Resting State Temporal Varianceabcd_mrirstv01ABCDEvaluated DataAllowed3,947
ABCD Parent Acculturation Survey Modified from PhenX (ACC)pacc01ABCDQuestionnaireNo4,524
ABCD Parent Adult Self Report Raw Scores Aseba (ASR)pasr01ABCDQuestionnaireNo4,524
ABCD Parent Adult Self Report Scores Aseba (ASR)abcd_asrs01ABCDQuestionnaireNo4,524
ABCD Parent Child Behavior Checklist Raw Scores Aseba (CBCL)abcd_cbcl01ABCDBehaviorNo4,524
ABCD Parent Child Behavior Checklist Scores Aseba (CBCL)abcd_cbcls01ABCDBehaviorNo4,524
ABCD Parent Community Risk and Protective Factors (CRPF)abcd_crpf01ABCDQuestionnaireNo4,524
ABCD Parent Demographics Surveypdem01ABCDDemographicsNo4,524
ABCD Parent Diagnostic Interview for DSM-5 Background Items Full (KSADS-5)dibf01ABCDSocial AdjustmentNo4,524
ABCD Parent Diagnostic Interview for DSM-5 Full (KSADS-5)abcd_ksad01ABCDDiagnosticNo4,524
ABCD Parent Family Environment Scale-Family Conflict Subscale Modified from PhenX (FES)fes01ABCDParentingNo4,524
ABCD Parent Medical History Questionnaire (MHX)abcd_mx01ABCDMed HistoryNo4,524
ABCD Parent Medications Survey Inventory Modified from PhenX (PMP)medsy01ABCDTreatmentNo4,524
ABCD Parent Mexican American Cultural Values Scale Modified (MACV)macv01ABCDSocial AdjustmentNo4,524
ABCD Parent Multi-Group Ethnic Identity-Revised Survey (MEIM)abcd_meim01ABCDSocial AdjustmentNo4,524
ABCD Parent Neighborhood Safety/Crime Survey Modified from PhenX (NSC)abcd_pnsc01ABCDQuestionnaireNo4,524
ABCD Parent Ohio State Traumatic Brain Injury Screen-Short Modified (OTBI)abcd_otbi01ABCDTraumaNo4,524
ABCD Parent Parent General Behavior Inventory-Mania (PGBI)abcd_pgbi01ABCDQuestionnaireNo4,524
ABCD Parent Participant Last Use Survey Day 2 3 4 (PLUS)plus01ABCDQuestionnaireNo4,524
ABCD Parent Pubertal Development Scale and Menstrual Cycle Survey History (PDMS)abcd_ppdms01ABCDPhys CharacteristicsNo4,524
ABCD Parent Screen Time Survey (STQ)stq01ABCDQuestionnaireNo4,524
ABCD Parent Sleep Disturbance Scale for Children (SDS)abcd_sds01ABCDSleepNo4,524
ABCD Parent Sports and Activities Involvement Questionnaire (SAIQ)abcd_saiq01ABCDActivityNo4,524
ABCD Parent Vancouver Index of Acculturation-Short Survey (VIA)abcd_via01ABCDSocial AdjustmentNo4,524
ABCD Parental Monitoring Surveypmq01ABCDParentingNo4,524
ABCD Parental Rules on Substance Useprq01ABCDSubstance UseNo4,524
ABCD Pearson Scoresabcd_ps01ABCDCognitiveNo4,524
ABCD Prodromal Psychosis Scalepps01ABCDPsychosisNo4,524
ABCD Pubertal Hormone Salivasph01ABCDPhys ExamNo4,524
ABCD RA Scanning Checklist and Notesabcd_ra01ABCDQuestionnaireNo4,524
ABCD Rutgers Biosamplesabcd_rb01ABCDPhys ExamNo4,524
ABCD School Risk and Protective Factors Surveysrpf01ABCDSocial AdjustmentNo4,524
ABCD Screenerabcd_screen01ABCDQuestionnaireNo4,524
ABCD Sum Scores Culture & Environment Parentabcd_sscep01ABCDSocial AdjustmentNo4,524
ABCD Sum Scores Culture & Environment Youthabcd_sscey01ABCDSocial AdjustmentNo4,524
ABCD Sum Scores Mental Health Parentabcd_mhp01ABCDPhys CharacteristicsNo4,524
ABCD Sum Scores Mental Health Youthabcd_mhy01ABCDPhys CharacteristicsNo4,524
ABCD Sum Scores Traumatic Brain Injuryabcd_tbi01ABCDTraumaNo4,524
ABCD TBX Demoabcddemo01ABCDDemographicsNo4,524
ABCD Timeline Follow-back Survey Calendar Scores (TLFB)abcd_tlfb01ABCDSubstance UseNo4,524
ABCD Youth Acculturation Survey Modified from PhenX (ACC)yacc01ABCDQuestionnaireNo4,524
ABCD Youth Alcohol Screenyalcs01ABCDPhys ExamNo4,524
ABCD Youth Anthropometrics Modified From PhenX (ANT)abcd_ant01ABCDPhys CharacteristicsNo4,524
ABCD Youth Behavioral Inhibition/Behavioral Approach System Scales Modified from PhenX (BIS/BAS)abcd_bisbas01ABCDQuestionnaireNo4,524
ABCD Youth Diagnostic Interview for DSM-5 5 (KSADS-5)abcd_ksad501ABCDDiagnosticNo4,524
ABCD Youth Diagnostic Interview for DSM-5 Background Items 5 (KSADS-5)abcd_yksad01ABCDSocial AdjustmentNo4,524
ABCD Youth Edinburgh Handedness Inventory Short Form (EHIS)abcd_ehis01ABCDPhys CharacteristicsNo4,524
ABCD Youth Family Environment Scale-Family Conflict Subscale Modified from PhenX (FES)abcd_fes01ABCDParentingNo4,524
ABCD Youth Genetic Blood (RUCDR)biocf01ABCDPhys ExamNo4,524
ABCD Youth Genetic Saliva (RUCDR)abcd_ygs01ABCDPhys ExamNo4,524
ABCD Youth Hair Sampleabcd_hers01ABCDPhys ExamNo4,524
ABCD Youth Monetary Incentive Delay Task Survey Post Scan Questionnaireabcd_monet01ABCDTask BasedNo4,524
ABCD Youth NIH TB Summary Scoresabcd_tbss01ABCDCognitiveNo4,524
ABCD Youth Neighborhood Safety/Crime Survey Modified from PhenX (NSC)abcd_nsc01ABCDQuestionnaireNo4,524
ABCD Youth Participant Last Use Survey Day 1 2 3 4 (PLUS)abcd_plus01ABCDQuestionnaireNo4,524
ABCD Youth Post Scan Questionnaire 2abcd_ypsq201ABCDQuestionnaireNo4,524
ABCD Youth Post Scan Questionnaire 1abcd_ypsq101ABCDQuestionnaireNo4,524
ABCD Youth Pre Scan Questionnaire 1abcd_ypre101ABCDQuestionnaireNo4,524
ABCD Youth Pre Scan Questionnaire 2abcd_ypre201ABCDQuestionnaireNo4,524
ABCD Youth Pubertal Development Scale and Menstrual Cycle Survey History (PDMS)abcd_ypdms01ABCDPhys CharacteristicsNo4,524
ABCD Youth Recognition Memory for Emotional Nback Task Post Scan Questionnaireabcd_nback01ABCDTask BasedNo0
ABCD Youth Rescan Monetary Incentive Delay Task Survey Post Scan Questionnaireabcd_prepost01ABCDTask BasedNo4,524
ABCD Youth Resilience Scale (YRS)abcd_ysr01ABCDSocial AdjustmentNo4,524
ABCD Youth Screen Time Survey (STQ)abcd_stq01ABCDQuestionnaireNo4,524
ABCD Youth Snellen Vision Screener (SVS)abcd_svs01ABCDPhys ExamNo4,524
ABCD Youth Substance Use Interviewabcd_ysu01ABCDSubstance UseNo4,524
ABCD Youth Toxicology Testabcd_ytt01ABCDPhys ExamNo4,524
ABCD Youth Youth Risk Behavior Survey Exercise Physical Activity (YRB)abcd_yrb01ABCDActivityNo4,524
ACS Post Stratification Weightsacspsw01ABCDSocioeconomicNo4,524
FreeSurfer QCfreesqc01ABCDEvaluated DataAllowed4,337
FreeSurfer Volumetrixfreesvol01ABCDEvaluated DataAllowed6,982
FreeSurfer Volumetrix Part 2freesvol201ABCDEvaluated DataAllowed286
FreeSurfer Volumetrix Part 3freesvol301ABCDEvaluated DataAllowed4,572
Imageimage03ABCDDTI, MRI, fMRIAllowed18,797
MR Findingsabcd_mrfindings01ABCDSummaryNo4,524
MRI Behavior RECmribrec01ABCDTask BasedNo3,375
MRI MID Average Beta Weights in ASEG and APARC ROIsmidaparc01ABCDEvaluated DataAllowed3,225
MRI MID Beta Weights in Gordon Parcels Part 1gordonp101ABCDEvaluated DataAllowed3,225
MRI MID Beta Weights in Gordon Parcels Part 2gordonp201ABCDEvaluated DataAllowed3,225
MRI MID Beta Weights in Gordon Parcels Part 3gordonp301ABCDEvaluated DataAllowed3,225
MRI MID Beta Weights in Gordon Parcels Part 4gordonp401ABCDEvaluated DataAllowed3,225
MRI MID T-Stats in ASEG and APARC ROIststatroi01ABCDEvaluated DataAllowed3,225
MRI MID T-Stats in Gordon Parcels Part 1tstgodp101ABCDEvaluated DataAllowed3,225
MRI MID T-Stats in Gordon Parcels Part 2tstgodp201ABCDEvaluated DataAllowed3,225
MRI MID T-Stats in Gordon Parcels Part 3tstgodp301ABCDEvaluated DataAllowed3,225
MRI MID T-Stats in Gordon Parcels Part 4tstgodp401ABCDEvaluated DataAllowed3,225
MRI Resting State Correlation between Networks and Subcortical ROIsmrirscor01ABCDEvaluated DataAllowed3,947
MRI Restriction Spectrum Imaging Part 1mri_rsi01ABCDEvaluated DataAllowed4,050
MRI Restriction Spectrum Imaging Part 2mri_rsip201ABCDEvaluated DataAllowed4,050
MRI Restriction Spectrum Imaging Part 3mri_rsip301ABCDEvaluated DataAllowed4,050
MRI Restriction Spectrum Imaging Part 4mri_rsip401ABCDEvaluated DataAllowed4,050
MRI Restriction Spectrum Imaging Part 5mri_rsip501ABCDEvaluated DataAllowed4,050
MRI Restriction Spectrum Imaging Part 6mri_rsip601ABCDEvaluated DataAllowed4,050
MRI Restriction Spectrum Imaging Part 7mri_rsip701ABCDEvaluated DataAllowed4,050
MRI SST Beta Weights in ASEG and APARC ROIssstroi01ABCDEvaluated DataAllowed3,137
MRI SST Beta Weigths in Gordon Parcels Part 1mrisstp101ABCDEvaluated DataAllowed3,137
MRI SST Beta Weigths in Gordon Parcels Part 2mrisstp201ABCDEvaluated DataAllowed3,137
MRI SST Beta Weigths in Gordon Parcels Part 3mrisstp301ABCDEvaluated DataAllowed3,137
MRI SST T-Stats in ASEG and APARC ROIssststatroi01ABCDEvaluated DataAllowed3,137
MRI SST T-Stats in Gordon Parcels Part 1ssttstatp101ABCDEvaluated DataAllowed3,137
MRI SST T-Stats in Gordon Parcels Part 2ssttstatp201ABCDEvaluated DataAllowed3,137
MRI SST T-Stats in Gordon Parcels Part 3ssttstatp301ABCDEvaluated DataAllowed3,137
MRI nBack Beta Weights in ASEG and APARC ROIsnback_bwroi01ABCDEvaluated DataAllowed3,099
MRI nBack Beta Weights in Gordon Parcels Part 1nbackgordonp101ABCDEvaluated DataAllowed3,099
MRI nBack Beta Weights in Gordon Parcels Part 2nbackgordonp201ABCDEvaluated DataAllowed3,099
MRI nBack Beta Weights in Gordon Parcels Part 3nbackgordonp301ABCDEvaluated DataAllowed3,099
MRI nBack Beta Weights in Gordon Parcels Part 4nbackgordonp401ABCDEvaluated DataAllowed3,099
MRI nBack T-Stats in ASEG and APARC ROIsnbacktstatroi01ABCDEvaluated DataAllowed3,099
MRI nBack T-Stats in Gordon Parcels Part 1nbacktstatp101ABCDEvaluated DataAllowed3,099
MRI nBack T-Stats in Gordon Parcels Part 2nbacktstatp201ABCDEvaluated DataAllowed3,099
MRI nBack T-Stats in Gordon Parcels Part 3nbacktstatp301ABCDEvaluated DataAllowed3,099
MRI nBack T-Stats in Gordon Parcels Part 4nbacktstatp401ABCDEvaluated DataAllowed3,099
Parent Prosocial Behavior Surveypsb01ABCDBehaviorNo4,524
Processed DTIpdti01ABCDEvaluated DataAllowed5,799
Processed DTI Part 4pdti401ABCDEvaluated DataAllowed4,045
Processed MRI Datafmriresults01ABCDEvaluated DataAllowed4,369
Residential History Derived Scoresabcd_rhds01ABCDSocioeconomicNo4,524
UPPS-P for Children Short Form (ABCD-version)abcd_upps01ABCDPersonalityNo4,524
Youth Prosocial Behavior Surveyabcd_psb01ABCDBehaviorNo4,524
NIMH Data Archive (NDA) Data Dictionary

This page displays a list of all the structures currently supported in the NIMH Data Archive (NDA) Data Dictionary. Each structure represents a standardized definition of a measure that has been defined by researchers. On this list you can view:

  • Title: The name of the measure. This list is sorted alphabetically by title by default
  • Short Name: The NDA abbreviated ID for the structure
  • Shared Subjects: The number of unique subjects with shared data in this structure
  • Sources: Which NDA database(s) or federated systems include projects that have used this structure
  • Categories: The type of measure, relevant mental health issue, or other way of categorizing the structure
  • Submission: Some structures are obsolete, superseded by newer structures, or were created to support legacy projects. This column will display "Allowed" or "No" to indicate whether or not submissions of new data are currently accepted in this structure.

You can use the Search bar to filter the displayed structures based on category and title, or use the arrows in the header row to sort the current display based on that column. Once you’ve located a structure of interest, click on the title to enter the individual structure page.

You can use the check-boxes on the left to make selections and "Download" to add all data in those structures to your download cart. Please email the The NDA Help Desk with any questions.