PSYA01H3 Chapter Notes - Chapter Chapter 5 Part 1: Sleep Disorder, Sleep Deprivation, Sleepwalking
Document Summary
Color coded + page number, header, and sub-header. Is a person"s subjective awareness, including thoughts, perceptions, experiences of the world, and self-awareness. Organisms have evolved biological rhythms that are neatly adapted to the cycles in their environment. (182) Circannual rhythm (a term that literally means (cid:862)a yearly cycle(cid:863)(cid:895). (cid:894)(cid:1005)8(cid:1006)(cid:895) ^this is an example of an infradian rhythm, which is any rhythm that occurs over a period of time longer than a day. (182) Heart rate, urination, and some hormonal activity occur in 90-120 minute cycles, these are more frequent biological rhythms called ultradian rhythms. (182) Are internally driven daily cycles of approximately 24 hours affecting physiological and behavioral processes. We tend to get most of our sleep when it is dark outside because our circadian rhythms are regulated by daylight interacting with our nervous and endocrine systems. One key brain structure in this process is the suprachiasmatic nucleus. (182)
