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A measure of visual attention and vigilance based on the Penn CPT [1]. In this task, a series of red vertical and horizontal lines flash in a digital numeric frame (resembling a digital clock . The task is divided into two types of blocks: one in which the participant must press the spacebar whenever these lines form a complete number, and one in which the participant must press the spacebar whenever these lines form a complete letter. Each block lasts 1.5m. Each stimulus flashes for 300 milliseconds followed by a blank page displayed for 700 milliseconds, giving the participant 1 sec to respond to each trial. The participant practices both types of trials before the task begins.


Definition contributed by Anonymous
Short Penn Continuous Performance Test-Number and Letter Version has been asserted to measure the following CONCEPTS
No concepts assertions have been added.

Phenotypes associated with Short Penn Continuous Performance Test-Number and Letter Version

Disorders

No associations have been added.

Traits

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Behaviors

No associations have been added.


IMPLEMENTATIONS of Short Penn Continuous Performance Test-Number and Letter Version
No implementations have been added.
EXTERNAL DATASETS for Short Penn Continuous Performance Test-Number and Letter Version
No implementations have been added.
CONDITIONS

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

CONTRASTS

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.

INDICATORS

No indicators have yet been associated.

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).

Term BIBLIOGRAPHY

Computerized neurocognitive scanning: II. The profile of schizophrenia.
Gur RC, Ragland JD, Moberg PJ, Bilker WB, Kohler C, Siegel SJ, Gur RE
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology (Neuropsychopharmacology)
2001 Nov

Computerized neurocognitive scanning: I. Methodology and validation in healthy people.
Gur RC, Ragland JD, Moberg PJ, Turner TH, Bilker WB, Kohler C, Siegel SJ, Gur RE
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology (Neuropsychopharmacology)
2001 Nov