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Warning Notice 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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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

EEG Subject Files

14,849 Shared Subjects

Data structure for EEG files submission
Neurosignal Recordings
EEG
09/17/2013
eeg_sub_files01
07/13/2022
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Condition Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR* guid
src_subject_id String 20 Required Subject ID how it's defined in lab/project ssidno00, subject_id
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY eeg002, intvdate, pqeegdt, qeegdt, sseegdate03, sseegdate06, sseegdate09
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. intvage, sseegagem03, sseegagem06, sseegagem09
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender, ssgndr
comments_misc String 4,000 Recommended Miscellaneous comments on study, interview, methodology relevant to this form data eeg003
Query capused String 255 Recommended EEG cap used for this experimental condition
Query ofc Float Recommended Occipitofrontal Circumference/Head Circumference (cm)
Query experiment_id Integer Required ID for the Experiment/settings/run
experiment_notes String 2,000 Recommended Misc notes regarding the experiment for this subject sseegnotes03, sseegnotes06, sseegnotes09
Query experiment_terminated String 2,000 Recommended Information regarding termination of the experiment
Query experiment_validity String 2,000 Recommended Information regarding validity (e.g., inclusion criteria, QA assessment, etc.) of the experiment for this subject
Query data_behavioralperformance_acc String 2,000 Recommended Behavioral Performance - accuracy
Query data_behavioralperformance_rt String 2,000 Recommended Behavioral Performance - reaction time task_length
data_file1 File 255 Conditional isNull(manifest) Data file 1 .1_file, .bak_file, .sam_file, acq_file, data_file, edat2_file
Query data_file1_type String 300 Recommended type of data file 1 data_file_type
data_file2 File 255 Recommended data file 2
Query data_file2_type String 100 Recommended data file 2 type/description
data_file3 File 255 Recommended Data file 3
Query data_file3_type String 100 Recommended Data file 3 type
data_file4 File 255 Recommended Data file 4
Query data_file4_type String 100 Recommended Data file 4 type
data_includedtrials String 2,000 Recommended Included trials in the final data for this experimental condition
Query data_validity String 2,000 Recommended Validity of the reduced data for this experimental condition
Query head_circum Float Recommended Head Circumference (in cm) -1 = Not known; -999 = No Data sseeghead03, sseeghead06, sseeghead09
Query study String 100 Recommended Study; The code for each individual study
Query week Float Recommended Week in level/study 99=week 10-week 14
site String 101 Recommended Site Study Site
Query qeeg Float Recommended QEEG Results: microvolt2
Query pqeeg Float Recommended Post QEEG Results: microvolt2
Query visit String 60 Recommended Visit name
Query completed Integer Recommended Checks if completed 0::3 0=No; 1=Yes; 2=Yes, lost; 3=Unverified eeg001
lab020 Date Recommended Date of PI/clinician signature eeg004
task_name String 100 Recommended Name of task being rated
image_description String 512 Recommended Image description, i.e. DTI, fMRI, Fast SPGR, phantom, EEG, dynamic PET task_description
manifest Manifest Conditional isNull(data_file1)
visitnum Integer Recommended Visit number
drug_name String 25 Recommended Drug Name
drug_dosage Integer Recommended Drug Dosage 0;1 0 = Pre-dose; 1 = Post-dose
custom_src_id String 30 Recommended Subject ID how it's defined in lab/project (used for source IDs that change depending on timepoint/visit/etc.)
mmn_fz_duration_voltage Float Recommended Event Related Potential: Mismatch Negativity Response (Duration Deviant -Standard) averaged from 150 and 230 from Sensor FZ -999 :: 999
mmn_fz_frequency_voltage Float Recommended Event Related Potential: Mismatch Negativity Response (Frequency Deviant -Standard) averaged from 90 and 170 from Sensor FZ -999 :: 999
mmn_fz_both_voltage Float Recommended Event Related Potential: Mismatch Negativity Response (Duration/Frequency Deviant -Standard) averaged from 150 and 230 from Sensor FZ -999 :: 999
mmn_cz_duration_voltage Float Recommended Event Related Potential: Mismatch Negativity Response (Duration Deviant -Standard) averaged from 150 and 230 from Sensor CZ -999 :: 999
mmn_cz_frequency_voltage Float Recommended Event Related Potential: Mismatch Negativity Response (Frequency Deviant -Standard) averaged from 90 and 170 from Sensor CZ -999 :: 999
mmn_cz_both_voltage Float Recommended Event Related Potential: Mismatch Negativity Response (Duration/Frequency Deviant -Standard) averaged from 150 and 230 from Sensor CZ -999 :: 999
timepoint_label String 50 Recommended Timepoint/visit label
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

Please email the The NDA Help Desk with any questions.

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