Synonyms: dual task weather prediction
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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 NPicchetti about five years ago:A task in which a subject must attend and respond to two different tasks contained in one experimental run; one task is a feedback driven classification learning task in which a subject is presented with a stimuli (ex-geometric shapes) and has to classify them into one of two categories (ex-rainy or sunny weather), and then receives feedback on whether the response was correct or incorrect. The other task requires the subject to listen to different tones and count the number of a specific tone.View Term Event Log
Foerde K, Knowlton BJ, Poldrack RA
Proceedings of the National Academy of Sciences of the United States of America (Proc Natl Acad Sci U S A)
2006 Aug 1
Citation added by NPicchetti about four years ago