Loading...

National Institute of Mental Health Data Archive (NDA) Sign In
NDA

Enter the email address associated with your existing NDA Account and click Continue Linking Process.

If you do not have an existing NDA account, click Go Back.

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.
National Institute of Mental Health Data Archive (NDA) Sign In
NDA

Success! An email is on its way!

Please check your email to complete the linking process. The link you receive is only valid for 30 minutes.

Check your spam or junk folder if you do not receive the email in the next few minutes.

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.
Create or Link an Existing NDA Account

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.

NIMH Data Archive (NDA) Sign In or Create An Account
Update Password

You have logged in with a temporary password. Please update your password. Passwords must contain 8 or more characters and must contain at least 3 of the following types of characters:

  • Uppercase
  • Lowercase
  • Numbers
  • Special Characters limited to: %,_,!,@,#,$,-,%,&,+,=,),(,*,^,:,;
Update Password

Subscribe to our mailing list

Mailing List(s)
Email Format

You are now leaving the NIMH Data Archive (NDA) web site to go to:

Click on the address above if the page does not change within 10 seconds.

Disclaimer

NDA is not responsible for the content of this external site and does not monitor other web sites for accuracy.

Accept Terms
Data Access Terms - Decline Terms

Are you sure you want to cancel? This will decline terms and you will not be authorized for access.

NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

EEG Form

2,772 Shared Subjects

N/A
Neurosignal Recordings
EEG
04/08/2015
eeg_details01
09/12/2023
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* 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 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
Query site String 101 Recommended Site Study Site
Query visit String 60 Recommended Visit name
Query eeg00a String 10 Recommended Paradigm order of this test: (enter A or B in the box)
Query eeg00b Integer Recommended Was EEG performed pre- or post-medication administration? (question in baseline visit only) 1;2;-9 1=Pre-med; 2=Post-med;-9 = Unknown
Query eeg001 Integer Recommended Was an EEG performed on this subject? 0;1 0=No; 1=Yes
Query eeg003a Integer Recommended Handedness: Which do you prefer to use when both hands are available? Draw? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg003b Integer Recommended Handedness: Which do you prefer to use when both hands are available? Throw a ball? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg003c Integer Recommended Handedness: Which do you prefer to use when both hands are available? Butter toast? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg003d Integer Recommended Handedness: Which do you prefer to use when both hands are available? Brush your teeth? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg003e Integer Recommended Handedness: Which do you prefer to use when both hands are available? Cut with scissors? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg003f Integer Recommended Handedness: Which do you prefer to use when both hands are available? Hold a spoon? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg003g Integer Recommended Handedness: Which do you prefer to use when both hands are available? Write? 1::5 1=Left only;2=Left Usually;3=Both;4=Right Usually;5=Right only
Query eeg004 Integer Recommended Did you regularly do activities that require you to use your non-preferred hand a lot? (i.e. a sport or a handicraft) 0;1 0=No; 1=Yes eeg_1
eeg004a String 250 Recommended If "Yes", description:
Query eeg005 Integer Recommended Have you ever had fractures of the hand or other problems that seriously affected the use of your hands? 0;1 0=No; 1=Yes eeg_2
eeg005a String 250 Recommended If "Yes", description: eeg_2a
Query eeg006 Integer Recommended Normal, uncorrected vision? 0;1 0=No; 1=Yes
Query eeg006a Integer Recommended Corrected vision? (i.e., glasses, contacts, laser surgery) 0;1 0=No; 1=Yes
Query eeg006b Integer Recommended Do you see well when you are wearing your glasses/contact or since the surgery? 0;1 0=No; 1=Yes eeg_4a
Query eeg007 Integer Recommended Normal hearing? 0;1 0=No; 1=Yes eeg_3
eeg008a String 20 Recommended Previous night sleep duration: Sleep start time: (hh:mm, 24-hour clock; enter 55:55 if unknown) eeg_5a, nightsleepstart_03
eeg008b String 20 Recommended Previous night sleep duration: Sleep end time: (hh:mm, 24-hour clock; enter 55:55 if unknown) eeg_5b, nightsleepend_03
Query eeg008c Float Recommended Previous night sleep duration: Number of hours 0::24 nightsleeptotal_03
Query eeg009 Integer Recommended Subjective rest: How rested do you feel? 1::5 1=Rested; 5=Tired eeg_6
Query eeg010 Integer Recommended Was any medication taken within the last 24 hours? (Include over-the-counter medications)
0;1
0=No; 1=Yes eeg_7, sseegmedt03, sseegmedt06, sseegmedt09
Query eeg011 Integer Recommended Caffeine: Have you consumed any caffeine today? 0;1 0=No; 1=Yes eeg_8
eeg011a String 20 Recommended EEG. What time? (hh:mm0, 24-hour clock; enter 55:55 if unknown) eeg_8a
Query eeg011b Integer Recommended What type? 1::5 1=Coffee;2=Tea;3=Energy drink;4=Soda;5=Other (specify below) eeg_8b
Query eeg011c String 50 Recommended If Other, specify eeg_8b_other
Query eeg011d Integer Recommended Quantity 1::3 1=Low (0-1 drinks, based on 8 oz cup of coffee);2=Moderate (2-3 drinks);3=High (4+ drinks)
Query eeg012 Integer Recommended Women only: Still experiencing menstrual periods? 0;1;9 0=No; 1=Yes; 9=N/A
eeg012a Date Recommended If "Yes", date of the first day of most recent menstrual period: (mm/dd/yyyy)
eeg013 String 20 Recommended EEG Start time: (hh:mm, 24-hour clock) eegadmin_1, eegstarttime_03
Query head_circum Float Recommended Head Circumference (in cm) -1 = Not known; -999 = No Data eeg014, eegadmin_5, sseeghead03, sseeghead06, sseeghead09
Query eeg015 String 50 Recommended Cap Size: (PM, PL, AS, AM, AL, AXL) eegadmin_4, eegcapsize_03��
Query eeg016 Integer Recommended Cap Type 1;2 1=EGI; 2=Neuroscan
Query eeg016a String 10 Recommended Cap ID Number: (serial number)
Query eeg016b Integer Recommended Cap Fit Quality 1::3 1=Poor (RE-NET);2=Good;3=Excellent eegadmin_6
Query eeg017 Integer Recommended Number of attempts to final start net
Query eeg018 Integer Recommended Impedances measured 0;1 0=No; 1=Yes eegadmin_7
Query electrode_impedance Integer Recommended electrode impedance in kOhm eeg019
Query eeg020 Integer Recommended Bad Electrodes 0;1 0=No; 1=Yes eegadmin_9
eeg020a String 30 Recommended If yes, which Electrodes (number, position) eegadmin_9a
Query eeg021 Float Recommended Distance of participant from monitor (cm)
eeg022 String 20 Recommended EEG End time: (hh:mm, 24-hour clock) eegadmin_1a, eegendtime_03
Query eeg023 Integer Recommended Room set up 1;2 1=Standard; 2=Deviations
Query eeg023a String 250 Recommended Room set up: Please explain the deviation
Query eeg024 Integer Recommended Polhemus set up 1;2 1=Standard; 2=Deviations
Query eeg024a String 250 Recommended Polhemus set up: Please explain the deviation
Query eeg025 Integer Recommended Experiment order 1;2 1=Standard; 2=Deviations
Query eeg025a String 250 Recommended Experiment order: Please explain the deviation
Query eeg026 Integer Recommended Faces 0;1 0=No; 1=Yes
Query eeg026a Integer Recommended Faces: If "Yes", data quality 1::3 1=Good;2=Questionable (Describe in note);3=Invalid (Describe in note)
Query eeg026b Integer Recommended Faces: If "Yes", response hand 1;2 1=Right; 2=Left
eeg026c String 250 Recommended Faces: Note
Query eeg027 Integer Recommended Completed. Eyes Closed. Resting state 0;1 0=No; 1=Yes eegec_done
Query eeg027a Integer Recommended Eyes Closed: If "Yes", data quality. Resting state 1::3 1=Good;2=Questionable (Describe in note);3=Invalid (Describe in note) eegec_qual
eeg027c String 250 Recommended Eyes Closed: Note
Query eeg028 Integer Recommended Cognitive Flanker 0;1 0=No; 1=Yes
Query eeg028a Integer Recommended Cognitive Flanker: If "Yes", data quality 1::3 1=Good;2=Questionable (Describe in note);3=Invalid (Describe in note)
Query eeg028b Integer Recommended Cognitive Flanker: If "Yes", response hand 1;2 1=Right; 2=Left
eeg028c String 250 Recommended Cognitive Flanker: Note
Query eeg029 Integer Recommended Completed. Eyes Open. Resting state 0;1 0=No; 1=Yes eegeo_done
Query eeg029a Integer Recommended Eyes Open: If "Yes", data quality. Resting state 1::3 1=Good;2=Questionable (Describe in note);3=Invalid (Describe in note) eegeo_qual
Query eeg029c String 250 Recommended Eyes Open: Note
Query eeg030 Integer Recommended Sensory Processing 0::3 1=Yes, both;2=Yes, SOR only;3=Yes, Auditory Tones only;0=No (Specify in note)
Query eeg030a Integer Recommended Sensory Processing: SOR data quality 1::3 1=Good;2=Questionable (Describe in note);3=Invalid (Describe in note)
Query eeg030d Integer Recommended Sensory Processing: SOR response hand 1;2 1=Right; 2=Left
Query eeg030b Integer Recommended Sensory Processing: Auditory Tones data quality 1::3 1=Good;2=Questionable (Describe in note);3=Invalid (Describe in note)
eeg030c String 250 Recommended Sensory Processing: Note
Query eeg031 Integer Recommended Subjective rest: How tired do you feel? 1::5 1=Energetic; 5=Exhausted eeg_9
Query eeg032 Integer Recommended Subjective mood: What is your mood like? 1::5 1=Happy; 5=Sad eeg_10
Query eeg033 Integer Recommended Subjective task success: How well do you think you did overall? 1::5 1=Great; 5=Terrible eeg_11
Query phne_sc_40 String 100 Recommended Health/Medical. If yes (are you currently taking any medications), which ones and dosage eeg_7a, sseegmddo03, sseegmddo06, sseegmddo09
eegadmin_2 String 10 Recommended Start time of capping
eegadmin_2a String 10 Recommended End time of capping
eegadmin_3 String 10 Recommended Start time of digitizer
eegadmin_3a String 10 Recommended End time of digitizer
Query eegadmin_8 Integer Recommended Threshold used:
Query eegdfr_done Integer Recommended DFR Completed? 0;1 0=No; 1=Yes
eegdfr_start String 10 Recommended DFR: start time
eegdfr_end String 10 Recommended DFR_end time
Query eegdfr_qual Integer Recommended DFR: data quality 1::3 1=Good;2=Questionable; 3=Invalid
Query eegdfr_qual2 Integer Recommended DFR: reason 1::5 1=Movement; 2=Attention; 3=Talking; 4=Excessive Blinking; 5=Other
Query eegdfr_qual2_other String 200 Recommended DFR: If Other, please specify
eegeo_start String 10 Recommended Eyes Open: start time (resting state)
eegeo_end String 10 Recommended Eyes Open: end time (resting state)
Query eegeo_qual2 Integer Recommended Eyes Open: Reason (resting state) 1::5 1=Movement; 2=Attention; 3=Talking; 4=Excessive Blinking; 5=Other
Query eegeo_qual2_other String 200 Recommended Eyes Open: If other, please specify (resting state)
Query eegdpx_done Integer Recommended DPX: Completed? 0;1 0=No; 1=Yes
eegdpx_start String 10 Recommended DPX: start time
eegdpx_end String 10 Recommended DPX: end time
Query eegdpx_qual Integer Recommended DPX: Data quality 1::3 1=Good;2=Questionable; 3=Invalid
Query eegdpx_qual2 Integer Recommended DPX: Reason 1::5 1=Movement; 2=Attention; 3=Talking; 4=Excessive Blinking; 5=Other
Query eegdpx_qual2_other String 200 Recommended DPX: if other, please specify
eegec_start String 10 Recommended Eyes Closed: start time (resting state)
eegec_end String 10 Recommended Eyes Closed: end time (resting state)
Query eegec_qual2 Integer Recommended Eyes Closed: Reason (resting state) 1::5 1=Movement; 2=Attention; 3=Talking; 4=Excessive Blinking; 5=Other
Query eegec_qual2_other String 200 Recommended Eyes Closed: if other, please specify (resting state)
Query eegcda_done Integer Recommended CDA: Completed? 0;1 0=No; 1=Yes
eegcda_start String 10 Recommended CDA: start time
eegcda_end String 10 Recommended CDA: end time
Query eegcda_qual Integer Recommended CDA: Data quality 1::3 1=Good;2=Questionable; 3=Invalid
Query eegcda_qual2 Integer Recommended CDA: Reason 1::5 1=Movement; 2=Attention; 3=Talking; 4=Excessive Blinking; 5=Other
Query eegcda_qual2_other String 200 Recommended CDA: if other, please specify
Query eegscap_done Integer Recommended SCAP: Completed? 0;1 0=No; 1=Yes
eegscap_start String 10 Recommended SCAP: start time
eegscap_end String 10 Recommended SCAP: end time
Query eegscap_qual Integer Recommended SCAP: Data quality 1::3 1=Good;2=Questionable; 3=Invalid
Query eegscap_qual2 Integer Recommended SCAP: Reason 1::5 1=Movement; 2=Attention; 3=Talking; 4=Excessive Blinking; 5=Other
Query eegscap_qual2_other String 200 Recommended SCAP: if other, please specify
Query eeg_4 Integer Recommended Vision: Do you have normal or corrected to normal vision (glasses/contacts/laser surgery)? 0;1 0=No; 1=Yes
Query capfit_03 Integer Recommended Cap Fit Quality 1::3 1= Good; 2= Loose; 3= Tight
comments_misc String 4,000 Recommended Miscellaneous comments on study, interview, methodology relevant to this form data sseegchkn03
Query sseegexpd03 Integer Recommended Sleep EEG recording time (min)
Query athfmed_durationvb Integer Recommended Duration (in MONTHS) on medication sseegmddu03
Query sseegnapd03 Integer Recommended Last sleep duration (nap or overnight - min)
Query sseegnapt03 Integer Recommended Time since last sleep (min)
Query sseegnetd03 Integer Recommended Total net application time (min)
ssasleeptime03 String 20 Recommended Time infant fell asleep
Query ssemg Integer Recommended EMG applied (yes or no) 0;1 0= No; 1= Yes
version_form String 121 Recommended Form used/assessment name
Query qeeg Float Recommended QEEG Results: microvolt2
Query pqeeg Float Recommended Post QEEG Results: microvolt2
assessment_matrics Integer Recommended Assessment number
numsuspectmean_chan Float Recommended Number of suspect channels - Mean 0::100
numsuspectstd_chan Float Recommended Number of suspect channels - Std (standard deviation) 0::100
numsuspectmean_trls Float Recommended Number of suspect trials - Mean 0::100
numsuspectstd_trls Float Recommended Number of suspect trials - Std (standard deviation) 0::100
numinterp Integer Recommended Number of interpolated channels 0::100
maxhr Integer Recommended Maximum heart rate (BPM)
minhr Integer Recommended Minimum heart rate (BPM)
badeeg Integer Recommended Bad EEG data 0;1 0 = No; 1 = Yes
badhr Integer Recommended Bad HR data 0;1 0 = No; 1 = Yes
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.

Additional Information
Training Privacy Policy Disclaimer Contact Us
External Resources
Accessibility FOIA OIG HHS Vulnerability Disclosure
NIH Logo HHS Logo USA Gov Logo
c725efb98f608e6bc0136950f08b0c3af2bde994