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participants learn to respond according to the opposite, previously irrelevant, stimulus-reward pairing, often in a visual discrimination task

Definition contributed by Anonymous
Phenotypes associated with probabilistic reversal learning task


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IMPLEMENTATIONS of probabilistic reversal learning task
No implementations have been added.
EXTERNAL DATASETS for probabilistic reversal learning task
No implementations have been added.

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


You must specify conditions before you can define 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.

ventral frontostriatal brain activation
response time

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).


Defining the neural mechanisms of probabilistic reversal learning using event-related functional magnetic resonance imaging.
Cools R, Clark L, Owen AM, Robbins TW
The Journal of neuroscience : the official journal of the Society for Neuroscience (J Neurosci)
2002 Jun 1