Abstract:
:Recent evidence suggests that underlying patterns of cortical activation may partially account for individual differences in susceptibility to the effects of sleep deprivation. Here, functional magnetic resonance imaging (fMRI) was used to examine the activation of military pilots whose sleep-deprivation vulnerability previously was quantified. A Sternberg Working Memory Task (SWMT; S. Sternberg, 1966) was completed alternately with a control task during a 13-min blood oxygen level-dependent fMRI scan. Examination of the activated voxels in response to SWMT indicated that, as a group, the pilots were more similar to fatigue-resistant nonpilots than to fatigue-vulnerable nonpilots. Within the pilots, cortical activation was significantly related to fatigue vulnerability on simulator-flight performance. These preliminary data suggest that baseline fMRI scan activation during a working memory task may correlate with fatigue susceptibility.
journal_name
Behav Neuroscijournal_title
Behavioral neuroscienceauthors
Caldwell JA,Mu Q,Smith JK,Mishory A,Caldwell JL,Peters G,Brown DL,George MSdoi
10.1037/0735-7044.119.3.694subject
Has Abstractpub_date
2005-06-01 00:00:00pages
694-707issue
3eissn
0735-7044issn
1939-0084pii
2005-06959-006journal_volume
119pub_type
杂志文章abstract::Perirhinal cortex in monkeys has been thought to be involved in visual associative learning. The authors examined rats' ability to make associations between visual stimuli in a visual secondary reinforcement task. Rats learned 2-choice visual discriminations for secondary visual reinforcement. They showed significant ...
journal_title:Behavioral neuroscience
pub_type: 杂志文章
doi:10.1037/0735-7044.117.6.1318
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doi:10.1037//0735-7044.103.2.429
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journal_title:Behavioral neuroscience
pub_type: 杂志文章
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journal_title:Behavioral neuroscience
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doi:10.1037//0735-7044.104.4.607
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journal_title:Behavioral neuroscience
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pub_type: 杂志文章
doi:10.1037//0735-7044.105.6.984
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journal_title:Behavioral neuroscience
pub_type: 杂志文章
doi:10.1037//0735-7044.105.1.210
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pub_type: 杂志文章
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更新日期:1983-12-01 00:00:00
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journal_title:Behavioral neuroscience
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doi:10.1037/0735-7044.118.1.24
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journal_title:Behavioral neuroscience
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journal_title:Behavioral neuroscience
pub_type: 杂志文章
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journal_title:Behavioral neuroscience
pub_type: 杂志文章
doi:
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journal_title:Behavioral neuroscience
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journal_title:Behavioral neuroscience
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更新日期:2003-02-01 00:00:00
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journal_title:Behavioral neuroscience
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