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Title: Information Processing during Sleep and Stress-Related Sleep Vulnerability.
Authors: 楊建銘
Lin, Yen-Hsuan;Jen, Chun-Hui;Yang, Chien-Ming
Contributors: 心理系
Keywords: event-related potential;information processing;insomnia;stress-related sleep vulnerability
Date: 2015-02
Issue Date: 2015-04-27 15:32:15 (UTC+8)
Abstract: Aims Previous studies showed enhanced attention and decreased inhibitory processes during early non-rapid eye movement sleep in primary insomnia patients, as measured by event-related potentials. The current study aims to examine information processing during sleep in non-insomniac individuals with high vulnerability ( HV) to stress-related sleep disturbances. Methods Twenty-seven non-insomniac individuals were recruited, 14 with low vulnerability and 13 with HV. After passing a screening interview and polysomnographic recording, subjects came to the sleep laboratory for 2 nights (a baseline night and a stress-inducing night) for event-related potentials recordings. Results The HV group demonstrated shorter P2 latency during the first 5 min of stage 2 sleep and higher P900 amplitudes under the stress condition during slow-wave sleep, which indicates an increased level of inhibitory processes. In addition, they had shorter N1 latencies during slow-wave sleep that could indicate an elevated level of attention processing during deep sleep. Conclusions Unlike patients with chronic insomnia, individuals with high sleep vulnerability to stress show a compensatory process that may prevent external stimulation from interfering with their sleep. This may be one of the factors preventing their acute sleep disturbances from becoming chronic problems.
Relation: Psychiatry and Clinical Neurosciences, 69(2), 84-92
Data Type: article
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Appears in Collections:[心理學系] 期刊論文

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