PSYC 100 Lecture Notes - Lecture 5: Circadian Rhythm, Jet Lag, Pineal Gland
17 Feb 2016
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Document Summary
Brain and mind: dualism vs. monism. The perception of what passes in a person"s mind; selective attention to ongoing perceptions, thoughts, and feelings. Functions: up to 1/3 of waking hours, how do we know, rehearse alternative actions/problem solve, maintain optimal arousal level, form of relaxation. Age differences: highest levels- young adulthood, just thinking . Sex differences: males- while doing repetitive tasks, females- future focused and problem solving. Individual differences: owls vs. larks, exposure to light. Sleep stage 2 mixed eeg. Sleep stage 3 some delta. Sleep stage 4 > 50% delta. Often happens much later in the night. 90 minute cycles: early vs. later, age differences. Sleep walking: you can wake them, stage 3. Nightmares: stage 4, associated with stress, age differences, common, learn new pattern, uncommon (happens in some dogs too) Type of food consumed (low vs. high energy) Restorative theories: sleep as a restorative: helps restore tissues, evidence. Sleep more after exercise (slow wave sleep)
