Sleep 0.0 / 5 ? PsychologysleepUniversityNone Created by: francesca_321Created on: 21-04-17 19:36 What are the three measurements of sleep? Electro-encephalogram (head), Electro-oculogram (eye) and eectromyogram (neck) 1 of 32 What are presleep alpha waves? bursts of 8- to 12 Hz activity in low amplitude/high frequency waves 2 of 32 How many stages of EEG are there? four stages 3 of 32 what is the recupuration theory of sleep? Being awake disrupts homeostasis, sleep restores this 4 of 32 What is the evolutionary theory of sleep? Sleep is not a reaction to homeostatic disruption, sleep evolved to preent accidents and predation at night 5 of 32 What is sleep like? Sex, you dont need it to stay alive alive 6 of 32 What do all mammals and birds do? sleep 7 of 32 What are large species differences? not related to body size temperature 8 of 32 What do sloths do? 20 hours of sleep a day 9 of 32 What effect does exercise have on amount of sleep? little or no effect 10 of 32 What is this Not consistent with recuperation theories of sleep 11 of 32 What is the evolutionary theory? Sleep related to how vulunerable you are asleep time spent eating/day 12 of 32 What do recuperations theories predict? Increases in physiological, behavioural disturbances and after sleep deprivation, missed sleep much be regained 13 of 32 Which point is found not to be true The second one 14 of 32 What are deprivation influences? Mood, physiological function and molecular function 15 of 32 What are the effects on executive function? Assimilating changing information, updating plans and reference memory 16 of 32 Do poeple need to catch up after sleep deprivation? No 17 of 32 Why? Randy gardner stayed up for 260 hours: only need 14 hours of sleep 18 of 32 What did Vogel et al find? preventing REM sleep acts as an antidepressant 19 of 32 What did Scherschnit find? examined side effects of 20 antidepressants, all decreased REm sleep, most increased slow wave sleep 20 of 32 Is REm sleep hard to sustain? YEs 21 of 32 What happens when Rem is prevented? the body wants it more 22 of 32 What happens when REM sleep is deprived? causes a transient rebound, no cog or emotions effect 23 of 32 What happened to rats who were deprived from sleep? They died 24 of 32 What was found in the post mortem? Rats had swollen glands and gastric ulcers, could be a consequence of sleep or stress 25 of 32 What areas of the brain were involved? The hypothalamus 26 of 32 What was studied? the brains of those who died from encephalitis lethargia, victimes who had difficulty sleeping:damage to anterior region, v 27 of 32 What did the victim who had difficulty staying awake suffer from? amage to prosterior region 28 of 32 What did Bremer find? Cervaeu Isole transection slow wave and encephalate isole transcription - normal sleep wake cycle 29 of 32 What did Mouzzi and Morgan find? timulation of reticular formation of sleeping cats wake them up 30 of 32 What happened with narcolepsy? Relatively breif period of sudden sleep 31 of 32 What happened with REM sleep without core muscle atonia? Sleep walking 32 of 32
Comments
No comments have yet been made