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This test measures speed of processing by asking participants to discern whether two sideby-side pictures are the same or not. The items are presented one pair at a time on the computer screen, and the participant is given 90 seconds to respond to as many items as possible (up to a maximum of 130). The items are designed to be simple so as to most purely measure processing speed.
Synonyms: NIH Toolbox Pattern Comparison Processing Speed Test
Definition contributed by CTorgerson about four years ago

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pattern comparison task has been asserted to measure the following CONCEPTS
as measured by the contrast:




DISORDERS associated with pattern comparison task
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IMPLEMENTATIONS of pattern comparison task
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EXTERNAL DATASETS for pattern comparison task
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CONDITIONS
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Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.

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.

INDICATORS

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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Term History

REVISION 3

Definition contributed by CTorgerson about four years ago:participant is to compare pairs of line segment patterns and classify them as "same" or "different" as rapidly as possible

REVISION 2

Definition contributed by MLewis about five years ago:participant is to compare pairs of line segment patterns and classify them as "same" or "different" as rapidly as possible

REVISION 1

Definition contributed by NPicchetti about six years ago:No definition submitted yet.

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