PSYA02H3 Chapter Notes - Chapter 5: Alpha Waves, Non-Rapid Eye Movement Sleep, Sleep Deprivation
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PSYA02H3 Full Course Notes
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Document Summary
People with rem behavior disorder act out their dreams. Consciousness - is a person"s subjective awareness, including thoughts, perceptions, experiences of the world, and self-awareness. Circannual rhythm - a term that literally means a yearly cycle . Infradian rhythm - any rhythm that occurs over a period of time longer than a day. In humans, the best-known infradian rhythm is the menstrual cycle: heart rate, urination, and some hormonal activity occur in 90 120-minute cycles. More frequent biological rhythms are referred to as ultradian rhythms. Circadian rhythms - internally driven daily cycles of approximately 24 hours affecting physiological and behavioral processes: circadian rhythms regulated by daylight interacting with our nervous and endocrine (hormonal) systems. One key brain structure in process is (suprachiasmatic nucleus (scn) of the hypothalamus): cells in retina of eye relay messages about light levels in the environment to the scn. Scn communicates signals about light levels with the pineal gland.
