PSYCH 100 Lecture Notes - Lecture 13: Jet Lag, Epigenetic Clock, Blood Pressure

• School: UMASS-Amherst
• Department: Psychology & Brain Sciences
• Course: PSYCH 100
• Professor: tamararahhal

Document Summary

Defining consciousness: our awareness of ourselves, our behavior, and our environment at any given moment. Drugs: fluctuations in alertness, energy, and mood over the course of the day, biological clock. About 24-hour period (really 25 hours: these shifts are related to underlying bodily processes, daily cycles occur in: Blood pressure: changes as we get older, we seem to function better (both cognitively/physically) in our peak time, meq (morningness eveningness questionnaire) < 3 = morning lark between 3-7 = neutral. Differences across life span: college students, morning 2% neutral 48% evening 50, opposite for grandparents, our circadian cycle runs a little bit long (25 hrs. ). We see evidence of this in: jet lag, monday morning blues. 5 stages of sleep (90 100 minute cycles) Stage 1 sleep 5 minutes: less brain activity, hallu(cid:272)i(cid:374)atio(cid:374)s (cid:894)thi(cid:374)ki(cid:374)g (cid:455)ou(cid:859)re falli(cid:374)g(cid:895, jerking, easy to awaken; reasonably coherent.