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sleep is spent in REM? a 6 month old, an adult? What is the difference between an infant’s sleep pattern, a child, an adolescent, an adult, an older adult? What is SIDS (p. 105)190.191.192.NREM193.194.Stage 1= falling asleep (hypnagogic sensation) = feels like your falling195.Stage 2=sleep spindles 196.Stage 3=slow waves begin appearing transitioning into deep sleep197.Stage 4= slow wave deep sleep (sleep walking)198.199.REM200.201.Stage 5= Brain is active, internal stimulation from PGO spikes202.-visual, auditory, motor area active203.-PFC active204.-memory consolidation205.-primed hippocampus206.207.Theta waves=208.- regular repeating waves209.-produced by areas of the hippocampus and surrounding cortex210.-6 cycles per minute211.212.awake animals= produce theta rhythm during behaviors learned for SURVIVAL213.asleep animals= produce theta waves during REM sleep214.cells in hippocampus= fire longer in response to single stimulus in theta waves215.216.PGO spikes: pontine- geniculate- occipital217.-originate in brainstem area (pons)218.-activate visual cortex & motorcortex219.-inhibits motor neurons in spinal cord220.221.frontal lobes= sense of random “internal” sensations222.activation- synthesis model of dreaming.223.224.Newborns225.-50% of sleep is in REM226.-sleep 70 % of the day227.-they are dreaming a very longtime228.229.6 months old230.-25-30 % of their sleep in REM231.232.child and adult233.-spend 20% of their time in REM234.235.236.
237.EXAM 2238.239.Longevity & Aging: (p. 109-114)1.Lifespan, live expectancy, longevity. Life-span: the oldest age documented (122 years)Life expectancy:the average number of years that a person born in a particular year can expect to live Longevity:how a particular individual lives RIP Jane Doe 1912-19882.According to the US Census Bureau, 2011, what is the current life expectancy in the US – what factors play a part in this? 3.When does the gap between men and women begin, at what age do women begin tooutnumber men? 4.What are centarians & super-centarians? 5.Theories of aging: Evolutionary theory (lack of natural selection on diseases later in