NDLI: ONE NIGHT OF SLEEP DEPRIVATION AFFECTS REACTION TIME, BUT NOT INTERFERENCE OR FACILITATION IN A STROOP TASK

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ONE NIGHT OF SLEEP DEPRIVATION AFFECTS REACTION TIME, BUT NOT INTERFERENCE OR FACILITATION IN A STROOP TASK

Content Provider	PubMed Central
Author	Cain, Sean W. Silva, Edward J. Chang, Anne-marie Ronda, Joseph M. Duffy, Jeanne F.
Copyright Year	2011
Abstract	The Stroop color-naming task is one of the most widely studied tasks involving the inhibition of a prepotent response, regarded as an executive function. Several studies have examined performance on versions of the Stroop task under conditions of acute sleep deprivation. Though these studies revealed effects on Stroop performance, the results often do not differentiate between general effects of sleep deprivation on performance and effects specifically on interference in the Stroop task. To examine the effect of prolonged wakefulness on performance on the Stroop task, we studied participants in a 40-hour “constant routine” protocol during which they remained awake in constant conditions and performed a Stroop color-naming task every two hours. We found that reaction time was slowest when the color and word did not match (incongruent), fastest when the color and word did match (congruent), and intermediate when participants named the color of the non-word stimulus (neutral). Performance on all three trial types degraded significantly as a function of time awake. Extended wakefulness did not significantly change the additional time needed respond when the color and word did not match (Stroop interference), nor did it change the amount of facilitation when color and word matched. These results indicate that one night of sleep deprivation influences performance on the Stroop task by an overall increase in response time, but does not appear to impact the underlying processes of interference or facilitation. The results suggest that the degree to which an “executive function” is affected by sleep deprivation may depend on the particular executive function studied and the degree to which it is subserved by the prefrontal cortex.
Related Links	http://dx.doi.org/10.1016/j.bandc.2011.03.005
Ending Page	42
Page Count	6
Starting Page	37
File Format	PDF
ISSN	02782626
e-ISSN	10902147
Journal	Brain and Cognition
Issue Number	1
Volume Number	76
Language	English
Publisher Date	2011-06-01
Access Restriction	Open
Subject Keyword	Experimental and Cognitive Psychology Cognitive Neuroscience Neuropsychology and Physiological Psychology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Arts and Humanities Cognitive Neuroscience Developmental and Educational Psychology Neuropsychology and Physiological Psychology

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