RESUMO
Circadian rhythms of primate brain temperature, head and ankle skin temperature, motor activity, and heart rate were studied during spaceflight and on the ground. In space, the circadian rhythms of all the parameters were synchronized with diurnal Zeitgebers. However, in space the brain temperature rhythm showed a significantly more delayed phase angle, which may be ascribed to an increase of the endogenous circadian period.
Assuntos
Temperatura Corporal , Ritmo Circadiano/fisiologia , Atividade Motora/fisiologia , Voo Espacial , Ausência de Peso , Animais , Tornozelo , Encéfalo , Cabeça , Frequência Cardíaca , Macaca mulatta , Masculino , Temperatura CutâneaRESUMO
NASA: The desert beetle Trigonoscelis gigas Reitt. was used as a biological model in studies that examined the effects of space flight on the circadian timing system. Results from studies aboard the Bion-10, Bion-11, and Photon-11 missions are reported. The control study is an ongoing Mir experiment. The studies indicate that the free-running period in beetles may be longer during space flight.^ieng