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A task in which items (e.g., letters) are presented one at a time and participants must identify each item that repeats relative to the item that occurred "n" items before its onset.
Synonyms: 1-back task, 2-back task, 3-back task
Definition contributed by RPoldrack about five years ago
Member of collection: Self regulation tasks
Descendant of: Penn continuous performance task
Progenitor of: letter n-back taskface n-back taskspatial n-back taskMulti-class n-back task
n-back task has been asserted to measure the following CONCEPTS
as measured by the contrasts:




as measured by the contrasts:




as measured by the contrasts:




as measured by the contrast:




as measured by the contrast:




as measured by the contrast:




as measured by the contrast:




as measured by the contrast:
  • Please add a contrast




as measured by the contrasts:

 
 

 
 




DISORDERS associated with n-back task
No associations have been added.


IMPLEMENTATIONS of n-back task
Implementation #1 matlab with cogent toolbox
EXTERNAL DATASETS for n-back task
No external datasets have been added.
CONTRASTS

In the Cognitive Atlas, we define a contrast as any function over experimental conditions. The simplest contrast is the indicator value for a specific condition; more complex contrasts include linear or nonlinear functions of the indicator across different experimental conditions.

INDICATORS

An indicator is a specific quantitative or qualitative variable that is recorded for analysis. These may include behavioral variables (such as response time, accuracy, or other measures of performance) or physiological variables (including genetics, psychophysiology, or brain imaging data).


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Term History

REVISION 1

Definition contributed by ALenartowicz about eight years ago:A task in which items (e.g., letters) are presented one at a time and participants must identify each item that repeats relative to the item that occurred "n" items before its onset.

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Term Bibliography

Example of N-back task
Cognitive fun website
Citation added by CWhite about two years ago
Citation Profile

Effective connectivity among the working memory regions during preparation for and during performance of the n-back task.
Manelis A, Reder LM
Frontiers in human neuroscience (Front Hum Neurosci)
2014
Citation added by CWhite about two years ago
Citation Profile

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