PSYC 107 1st Edition Lecture 13 Dreaming and Sleeping Outline of Last Lecture I Backwards Music on Record players II Attention 1 Voluntary purposeful 2 Involuntary stimulus driven III Consciousness a Subjective experience of what the world is like Ones own mental processes thoughts feelings and perception i Level 1 How aware are you ii State 1 Nature of subjective experience b Unaware processing c States of Consciousness i All of our respective states are at different levels d Circadian Rhythms i Regulation of biological cycles into regular patterns ii About over the course of a day especially the sleep and wake cycle Outline of Current Lecture I Sleep a Stage 0 relaxed or awake b Stage 1 3 quiet sleep non rem slow wave c Rem rapid eye movement crazy whacky dreams II Awake III Why do we sleep a Evolution Recuperation Memory Conservation of Energy Growth IV Sleep Deprivation V Sleep Disorders a Insomnia b Sleep Apnea c Narcolepsy VI Dreaming a Everyone dreams Lecture 13 Notes VII Sleep VIII IX X XI XII a Stage 0 relaxed or awake b Stage 1 3 quiet sleep non rem slow wave c Rem rapid eye movement crazy whacky dreams Awake a Beta waves i Theta Waves ii Sleep Spindles iii Slow Wave Delta Waves iv REM crazy stuff in brain crazy dreams b Deep sleep low BP low heartbeat slow breathing calm hard to wake up muscle tone near paralysis c Early in the night is the deepest sleep later is lighter REM sleep less clear 4 6 cycles assuming a full nights sleep of 8 10 hours d Newborns get 16 hours of sleep half of which is REM i We consistently get less REM sleep as we age Why do we sleep a Evolution safer to sleep in dark caves at night away from predators b Recuperation bodies tend to fix selves when we are sleeping c Memory brain consolidates days events and fixes them in the brain d Conservation of Energy lot of work to stay awake e Growth lot of the growth hormone is active at night Sleep Deprivation a Very dangerous b Americans are sleep deprived about 2 3 hours per night c We really need 8 9 most get 6 7 i Very dangerous 1 20 of auto accidents are due to driving a BAC of 05 legally drunk if sleep deprived 2 Obesity 3 Hypertension and memory impairment 4 Live longer with more sleep Sleep Disorders a Insomnia inability to stay or fall asleep for desired time b Sleep Apnea Pauses in breathing when sleeping up to 10 seconds People are woken up by the lack of air sounds a little different from snoring Extremely dangerous heart attacks and stroke linked to it c Narcolepsy sleep process turns on at random times higher in stressful situations People with it often fall asleep when walking hard lifestyle Dreaming a Everyone dreams b REM Dreams they are the crazy bizarre dreams that we have Defines emotion we uncritically accept illogical things during these dreams c Appears that different parts of the brain are active during different stages of sleep
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