Functional localizer to map various large-scale functional cognitive networks. These are the various contrasts obtained by opposing the simple tasks as defined in [Pinel 2007 "Fast reproducible identification and large-scale databasing of individual functional cognitive networks"]. This standard localizer is a simple and fast acquisition procedure based on a 5-minute functional magnetic resonance imaging (fMRI) sequence that can be run as easily and as systematically as an anatomical scan. This protocol captures the cerebral bases of auditory and visual perception, motor actions, reading, language comprehension and mental calculation.
Definition contributed by BThirion about two months agoNo relations have yet been associated. CONDITIONS
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Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.
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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.
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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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