PSY10000 Lecture Notes - Lecture 11: Narcolepsy, Explicit Memory, Procedural Memory
7 Nov 2017
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Aspects of consciousness: circadian rhythm: daily rhythmic cycles guided by biological clock, sleep-waking cycles, governed by the reticular activating system, influences behavior, guided by the environment (not locked in time) Circadian rhythm can adjust to new environments. Example of adjustment: jet lag: circadian drift: cycle drift because circadian rhythm is not perfectly timed locked, cues to sleep: stimulation of the pineal gland, sleep: altered state of consciousness with different stages, pre-sleep: hypnogogic. Hypnic jerk: involuntary twitch that occurs just as a person begins to fall asleep: sleep: Sleep paralysis: aware but unable to move: levels of arousal, recording sleep research, electrodes are placed around the head to record waves, observations of eye movement, emg, and eeg, eeg waves: Alpha waves: awake, nonattentive: stages of sleep, stage 1: Mainly theta waves (some alpha as well) Theta: sleep spindles (sudden bursts of brain activity) and k- complexes. Harder to wake up from: stage 4:
