PSYCH261 Lecture Notes - Lecture 14: Periodic Limb Movement Disorder, Amygdala, Narcolepsy
28 Nov 2015
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Document Summary
Relaxation stg 1-4 stg 4-2 (then less of stg 1-4 and more of rem sleep) Newborns get a lot of rem sleep (until the teens) Positive correlation between rem sleep and the amount of time you sleep. Interrupt sleep later at night (impair motor skills) Time-specific set of activity (activity in pons activity in lgn occipital cortex. Restoration (building of protein in the brain, development. The more sleep you get earlier in the night (stg 2 sleep), the better the performance in memory. Hippocampus active during sleeping (important for learning) Activation-synthesis hypothesis (brain tries to synthesize a story that leads to conscious experience of dreaming different networks of the brain are activated pons activate amygdala emotional processing) Insomnia (inability to fall asleep noise, light, stress) Phase-delay (difficulty falling asleep, sleep later, awaken later) Phase-advance (fall asleep earlier, difficulty staying asleep, wake up earlier) Narcolepsy (frequent periods of sleepiness during the day lack of production of orexin from the hypothalamic cells)
