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"Reversal learning involves the adaptation of behavior according to changes in stimulus–reward contingencies [...] [Reversal learning]is exemplified by visual discrimination tasks where subjects must learn to respond according to the opposite, previously irrelevant, stimulus–reward pairing." - (Clark, Cools, & Robbins 2004)
Definition contributed by CTorgerson about six years ago

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reversal learning task has been asserted to measure the following CONCEPTS

as measured by the contrast:

DISORDERS associated with reversal learning task
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IMPLEMENTATIONS of reversal learning task
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EXTERNAL DATASETS for reversal learning task
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No conditions have yet been associated.

Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.


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.


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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