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Electroencephalographic changes after one night of sleep deprivation. 2006

Camila Ferreira, and Andréa Deslandes, and Helena Moraes, and Maurício Cagy, and Fernando Pompeu, and Luis Fernando Basile, and Roberto Piedade, and Pedro Ribeiro
Laboratório de Mapeamento Cerebral e Integração Sensório-Motora, Instituto de Psiquiatria, Universidade Federal do Rio de Janeiro, Rua Delfina 47/104, 20511-270 Rio de Janeiro RJ, Brazil. camilaferreira@libero.it

Total or partial sleep deprivation (SD) causes degrading effects on different cognitive and psychomotor functions that might be related to electrophysiological changes frequently observed. In the present study, we investigated the effects of one night of sleep deprivation on waking EEG. Experimental protocol consisted of recording electroencephalographic data from eleven healthy young subjects before (baseline) and after (time 2) one night of sleep deprivation. A natural log transformation was carried out and showed a significant increase in theta T6 (p=0.041), O2 (p=0.018) and OZ (p=0.028); and delta T6 (p=0.043) relative power; and a decrease in alpha Fp1 (p=0.040), F3 (p=0.013), Fp2 (p=0.033), T4 (p=0.050), T6 (p=0.018), O2 (p=0.011) and Oz (p=0.025) and beta (p=0.022) absolute power. These outcomes show that the EEG power spectra, after sleep deprivation, exhibit site-specific differences in particular frequency bands and corroborate for the premise of local aspects of brain adaptation after sleep deprivation, rather than global.

UI MeSH Term Description Entries
D008297 Male Males
D004569 Electroencephalography Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain. EEG,Electroencephalogram,Electroencephalograms
D004594 Electrophysiology The study of the generation and behavior of electrical charges in living organisms particularly the nervous system and the effects of electricity on living organisms.
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012892 Sleep Deprivation The state of being deprived of sleep under experimental conditions, due to life events, or from a wide variety of pathophysiologic causes such as medication effect, chronic illness, psychiatric illness, or sleep disorder. Inadequate Sleep,Insufficient Sleep,Insufficient Sleep Syndrome,REM Sleep Deprivation,Sleep Debt,Sleep Fragmentation,Sleep Insufficiency,Deprivation, REM Sleep,Deprivation, Sleep,Fragmentation, Sleep,Insufficiencies, Sleep,Insufficiency, Sleep,Insufficient Sleep Syndromes,Sleep Deprivation, REM,Sleep Insufficiencies,Sleep, Inadequate,Sleep, Insufficient,Syndrome, Insufficient Sleep
D014851 Wakefulness A state in which there is an enhanced potential for sensitivity and an efficient responsiveness to external stimuli. Wakefulnesses

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