Psychology 1000 Lecture Notes - Lecture 6: Bruise, Head Injury, Disinhibition

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas- De Hoog

Document Summary

Brain structures: no single brain system regulated sleep many integrated systems and neurotransmitters. Seretonin, dopamine, norepinephrine have important role in arousal. Acetylcholine inhibits muscle movement during rem sleep (paralyzed in a sense) Sleep apnea reflexive gasping for air that awakens individual. Rem-sleep behavior disorder loss of muscle tone that usually accompinies rem sleep is absent (people act out their dreams) Night terrors intense arousal and panic- nrem (stage 3 and 4: hypothesis 1: restoration model. Sleep helps reduce animals to restore energy/other bodily resources. * most support, but still debated: hypothesis 2: evolutionary-circadian sleep model. Immobilization during sleep is adaptive because it reduces danger: hypothesis 3: memory consolidation theory. Sleep is essential for mental functioning, especially memory consolidation. Dreams as wish fufillment: activation-synthesis theory (hobson and mc carly, cognative problem solving theory, cognative- process dream theories. Focus more on the process of dreaming and the similarities between waking and dreaming: integrated model of dreaming (antrobus)