Synonyms: DNMS task, delayed nonmatching to sample task
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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).
Definition contributed by ALenartowicz about eight years ago:A task in which an target is presented and then removed from view. This target must be maintained in working memory for a delay, after which it is presented with non-target(s). The participant's task is to identify the non-target.View Term Event Log