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Frequently Asked Questions

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Filter Cart

The Filter Cart provides a powerful way to query and access data for which you may be interested.  

A few points related to the filter cart are important to understand with the NDA Query/Filter implementation: 

First, the filter cart is populated asyncronously.  So, when you run a query, it may take a moment to populate but this will happen in the background so you can define other queries during this time.  

When you are adding your first filter, all data associated with your query will be added to the filter cart (whether it be a collection, a concept, a study, a data structure/elment or subjects). Not all data structures or collections will necessarily be displayed.  For example, if you select the NDA imaging structure image03, and further restrict that query to scan_type fMRI, only fMRI images will appear and only the image03 structure will be shown.  To see other data structures, select "Find All Subject Data" which will query all data for those subjects. When a secord or third filter is applied, an AND condition is used.  A subject must exist in all filters.  If the subject does not appear in any one filter, that subjects data will not be included in your filter cart. If that happens, clear your filter cart, and start over.  

It is best to package more data than you need and access those data using other tools, independent of the NDA (e.g. miNDAR snapshot), to limit the data selected.  If you have any questions on data access, are interested in using avaialble web services, or need help accessing data, please contact us for assistance.  

Frequently Asked Questions

Glossary

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NDA provides a single access to de-identified autism research data. For permission to download data, you will need an NDA account with approved access to NDA or a connected repository (AGRE, IAN, or the ATP). For NDA 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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Data Structures with shared data
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Maintenance and Manipulation Task

1,190 Shared Subjects

N/A
Clinical Assessments
Task Based
12/15/2016
mainmani01
12/26/2018
View Change History
01
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* nimhid
src_subject_id String 20 Required Subject ID how it's defined in lab/project ptid
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY Required field testdate
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1260 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. age
sex String 20 Required Sex of the subject M;F M = Male; F = Female gender
Query vmnm_manip_tt Float Recommended Number manipulation trials responded to smnm_manip_tt
Query vmnm_manip_acc Float Recommended Total number of manipulation trials responded to correctly smnm_manip_acc
Query vmnm_manip_mn Float Recommended Mean Accuracy for Manipulation trials smnm_manip_mn
Query vmnm_manip_mnrt Float Recommended Mean Reaction Time for Manipulation task smnm_manip_mnrt
Query vmnm_manip_mdrt Float Recommended Median Reaction Time for Manipulation smnm_manip_mdrt
Query vmnm_manip_sdrt Float Recommended Signal Delay for Manipulation task Reaction Times smnm_manip_sdrt
Query vmnm_main_tt Float Recommended Number of Maintenance trials responded to smnm_main_tt
Query vmnm_main_acc Float Recommended Total number of maintenance trials responded to correctly smnm_main_acc
Query vmnm_main_mn Float Recommended Mean Accuracy for Maintenance trials smnm_main_mn
Query vmnm_main_mnrt Float Recommended Mean Reaction Time for Maintenance task smnm_main_mnrt
Query vmnm_main_mdrt Float Recommended Median Reaction Time for Maintenance smnm_main_mdrt
Query vmnm_main_sdrt Float Recommended Signal Delay for Maintenance task Reaction Times smnm_main_sdrt
Query vmnm_main_tp Float Recommended Maintenance True Positives smnm_main_tp
Query vmnm_main_fp Float Recommended Maintenance False Positives smnm_main_fp
Query vmnm_main_tn Float Recommended Maintenance True Negatives smnm_main_tn
Query vmnm_main_fn Float Recommended Maintenance False Negatives smnm_main_fn
Query vmnm_manip_tp Float Recommended Manipulation True Positivies smnm_manip_tp
Query vmnm_manip_fp Float Recommended Manipulation False Positives smnm_manip_fp
Query vmnm_manip_tn Float Recommended Manipulation True Negatives smnm_manip_tn
Query vmnm_manip_fn Float Recommended Manipulation False Negatives smnm_manip_fn
Query vmnm_maint_targets Float Recommended Maintenance Targets smnm_maint_targets
Query vmnm_manip_targets Float Recommended Manipulation Targets smnm_manip_targets
Query vmnm_maint_foils Float Recommended Maintenance Foils smnm_maint_foils
Query vmnm_manip_foils Float Recommended Manipulation Foils smnm_manip_foils
Query vmnm_maint_pc Float Recommended Maintenance Percent Correct smnm_maint_pc
Query vmnm_manip_pc Float Recommended Manipulation Percent Correct smnm_manip_pc
Query vmnm_maint_hits Float Recommended Maintenance Hits (True Positives) smnm_maint_hits
Query vmnm_maint_fa Float Recommended Maintenance False Alarms smnm_maint_fa
Query vmnm_manip_hits Float Recommended Manipulation Hits (True Positives) smnm_manip_hits
Query vmnm_manip_fa Float Recommended Manipulation False Alarms smnm_manip_fa
Query vmnm_maint_dprime Float Recommended Maintenance d prime score smnm_maint_dprime
Query vmnm_manip_dprime Float Recommended Manipulation d prime score smnm_manip_dprime
Query block_number Integer Recommended Block Number
Query running_trial_number Integer Recommended Running Trial Number
proceduretrial String 20 Recommended trial type
Query hit Float Recommended True Positive tp
miss String 20 Recommended Miss fp
Query cj Float Recommended Correct Rejection tn
Query falsealarm Float Recommended False Alarm fn
Query mp_sb_ntc Float Recommended # trials completed
version_form String 100 Recommended Form used/assessment name
subject_response String 10 Recommended Subject's response proberesp
Query acc_item Float Recommended Response Accuracy for item recognition probeacc
Query item_rt Float Recommended Response time for item probert
experiment_name String 200 Recommended Experiment Name experimentname
Query groups Integer Recommended Group 0;1 0=Control; 1=Case group
stime String 20 Recommended Session time sessiontime
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.