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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.

Synonyms: sPCPTNL, Short Penn CPT, Short PCPT-nl, Short NumLet-CPT
Definition contributed by ABonilla about two years ago
Member of collections: NCANDA Accuracy - Attention , NCANDA Speed - Attention
No relations have yet been associated.
Short Penn Continuous Performance Test-Number and Letter Version has been asserted to measure the following CONCEPTS

No associations have yet been added

DISORDERS associated with Short Penn Continuous Performance Test-Number and Letter Version
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 external datasets have been added.
CONDITIONS
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Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.

CONTRASTS
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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.

INDICATORS
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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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Term Bibliography

Comparison of the continuous performance test with and without working memory demands in healthy controls and patients with schizophrenia.
Kurtz MM, Ragland JD, Bilker W, Gur RC, Gur RE
(Schizophr Res)
2001 Mar 30
Citation added by CTorgerson about five years ago
Citation Profile

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
Citation added by ABonilla about two years ago
Citation Profile

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
Citation added by ABonilla about two years ago
Citation Profile

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