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The prefrontal cortex in sleep (CROSBI ID 158279)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Muzur, Amir ; Pace-Schott, Edward F. ; Hobson, J. Allan The prefrontal cortex in sleep // Trends in cognitive sciences, 6 (2002), 11; 475-481

Podaci o odgovornosti

Muzur, Amir ; Pace-Schott, Edward F. ; Hobson, J. Allan

engleski

The prefrontal cortex in sleep

Experimental data indicate a role for the prefrontal cortex in mediating normal sleep physiology, dreaming and sleep-deprivation phenomena. During nonrandom-eye-movement (NREM) sleep, frontal cortical activity is characterized by the highest voltage and the slowest brain waves compared to other cortical regions. The differences between the self-awareness experienced in waking and its diminution in dreaming can be explained by deactivation of the dorsolateral prefrontal cortex during REM sleep. Here, we propose that this deactivation results from a direct inhibition of the dorsolateral prefrontal cortical neurons by acetylcholine, the release of which is enhanced during REM sleep. Sleep deprivation influences frontal executive functions in particular, which further emphasizes the sensitivity of the prefrontal cortex to sleep.

prefrontal cortex; sleep; dreaming

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Podaci o izdanju

6 (11)

2002.

475-481

objavljeno

1364-6613

Povezanost rada

Temeljne medicinske znanosti

Indeksiranost