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This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL NBB

Automated Post-Processing QC Metrics

11,811 Shared Subjects

Automated post-processing QC metrics
Neurosignal Recordings
Evaluated Data
03/04/2020
abcd_auto_postqc01
10/27/2020
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
eventname String 60 Required The event name for which the data was collected
Query visit String 60 Recommended Visit name apqc_visitid
apqc_smri_topo_ndefect Integer Recommended Number of topology defects for left and right hemispheres before topology correction 0 :: 10000
apqc_dmri_fov_cutoff_dorsal Float Recommended Maximum dorsal cutoff score in dMRI FM images 0 :: 1000
apqc_dmri_fov_cutoff_ventral Float Recommended Maximum ventral cutoff score in dMRI FM images 0 :: 1000
apqc_dmri_bounwarp_flag Integer Recommended Scans available for dMRI B0 unwarp 0;1 0 = missing scans required for B0 unwarp; 1 = scans available for B0 unwarp
apqc_dmri_pepolar_diff Float Recommended Phase-encode polarity difference score for dMRI fieldmap -100 :: 100 Negative score indicates fieldmaps with reversed phase-encode polarity; Near-zero scores indicate fieldmaps with same phase-encode polarity
apqc_dmri_b0dx_rms Float Recommended Root mean square of estimated B0 displacements in phase-encode direction for dMRI fieldmap 0 :: 1000
apqc_fmri_fov_cutoff_dorsal Float Recommended Maximum dorsal cutoff score in fMRI FM images 0 :: 1000
apqc_fmri_fov_cutoff_ventral Float Recommended Maximum ventral cutoff score in fMRI FM images 0 :: 1000
apqc_fmri_bounwarp_flag Integer Recommended Scans available for fMRI B0 unwarp 0;1 0 = missing scans required for B0 unwarp; 1 = scans available for B0 unwarp
apqc_fmri_pepolar_diff Float Recommended Phase-encode polarity difference score for fMRI fieldmap -100 :: 100 Negative score indicates fieldmaps with reversed phase-encode polarity; Near-zero scores indicate fieldmaps with same phase-encode polarity
apqc_fmri_b0dx_rms Float Recommended Root mean square of estimated B0 displacements in phase-encode direction for fMRI fieldmap 0 :: 1000
apqc_fmri_intra_tsnr Float Recommended Intrascan temporal signal to noise ratio averaged across runs and averaged within brain mask
apqc_fmri_inter_tsnr Float Recommended Interrscan temporal signal to noise ratio averaged within brain mask 0 :: 100000
apqc_smri_t2w_regt1_rigid Float Recommended Normalized score indicating displacement and rotation of T2w volume relative to T1w volume 0 :: 100
apqc_smri_t2w_regt1_warp Float Recommended Normalized score indicating stretching of T2w volume relative to T1w volume 0 :: 100
apqc_dmri_regt1_rigid Float Recommended Normalized score indicating displacement and rotation of dMRI fieldmap relative to T1w volume 0 :: 100
apqc_dmri_regt1_warp Float Recommended Normalized score indicating stretching of dMRI fieldmap relative to T1w volume 0 :: 100
apqc_fmri_regt1_rigid Float Recommended Normalized score indicating displacement and rotation of fMRI fieldmap relative to T1w volume 0 :: 100
apqc_fmri_regt1_warp Float Recommended Normalized score indicating stretching of fMRI fieldmap relative to T1w volume 0 :: 100
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

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