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	Provedor de dados BJMBR (2) Autor Louzada,F.M. (2) Beijamini,F. (1) Brito,A.F. (1) Korczak,A.L. (1) Martynhak,B.J. (1) Pedrazzoli,M. (1) Peixoto,C.A.T. (1) Silva,A.G.T. (1) Mais... Palavra-chave Sleep/wake cycle (2) Adolescent (1) Chronotype (1) Circadian rhythm (1) Evening types (1) Gender (1) Karolinska Sleepiness Scale performance (1) Morning types (1) Psychomotor vigilance task (1) Social zeitgebers (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2008 (2) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Influence of chronotype and social zeitgebers on sleep/wake patterns BJMBR Korczak,A.L.; Martynhak,B.J.; Pedrazzoli,M.; Brito,A.F.; Louzada,F.M.. Inter-individual differences in the phase of the endogenous circadian rhythms have been established. Individuals with early circadian phase are called morning types; those with late circadian phase are evening types. The Horne and Östberg Morningness-Eveningness Questionnaire (MEQ) is the most frequently used to assess individual chronotype. The distribution of MEQ scores is likely to be biased by several fact, ors, such as gender, age, genetic background, latitude, and social habits. The objective of the present study was to determine the effect of different social synchronizers on the sleep/wake cycle of persons with different chronotypes. Volunteers were selected from a total of 1232 UFPR undergraduate students who completed the MEQ. Thirty-two subjects... Tipo: Info:eu-repo/semantics/article Palavras-chave: Chronotype; Sleep/wake cycle; Morning types; Evening types; Circadian rhythm; Social zeitgebers. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001000014 Influence of gender on psychomotor vigilance task performance by adolescents BJMBR Beijamini,F.; Silva,A.G.T.; Peixoto,C.A.T.; Louzada,F.M.. During adolescence, the sleep phase delay associated with early school times increases daytime sleepiness and reduces psychomotor performance. Some studies have shown an effect of gender on psychomotor performance in adults and children. Males present faster reaction times (RT) compared with females. The aim of the present study was to evaluate the influence of gender on Palm psychomotor vigilance task (PVT) performance in adolescents. Thirty-four adolescents (19 girls, 13 to 16 years old) attending morning school classes of a public school in Curitiba, PR, Brazil, participated in the study. Sleep patterns were measured using actigraphy and sleepiness data were accessed with the Karolinska Sleepiness Scale (KSS). KSS and PVT measurements were collected at... Tipo: Info:eu-repo/semantics/article Palavras-chave: Sleep/wake cycle; Karolinska Sleepiness Scale performance; Adolescent; Gender; Psychomotor vigilance task. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000800016 Registros recuperados: 2 Primeira ... 1 ... Última

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