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OleMiss - PSY 201 - Test 3 Materials - Class Notes

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OleMiss - PSY 201 - Test 3 Materials - Class Notes

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background image Test 3 Materials 10/10/2017 Chapter 10: Consciousness and Sleep Consciousness The subjective experience of perceiving oneself and 
one’s surroundings
We are conscious of things we can report o Organisms love dogs are aware of surrounding but  to what extent are they aware of self-
o Alter level of self-consciousness  consciousness  orgasms  Sleep and Sleep Disorders Sleep  o Natural altered state of consciousness  Use EEG - (measures how active the brain is) to
measure brain activity 
o Five Stages (the whole process is lasts 90 mins and  it starts over and over again) Stage 1: transition from wakefulness to sleep 
(last 10 or so mins)
Hypnagogic sensations -  is the experience  of the transitional state from wakefulness 
to sleep
4-5% o light sleep, muscle activity slows  down, occasional muscle twitching Stage 2: brief bursts of brain activity (sleep 
spindles) (lasts 45-50 mins) 
45-55% Breathing pattern, heart rate slows, slight 
decrease in body temperature.
Stages 3 and 4: deeper sleep (lasts the whole 
background image Stage 3: o 4-6%
o deep sleep begins
o Brain begins to generate slow delta  waves Stage 4: o 12-15% o Very deep sleep
o Rhythmic breathing
o Limited muscle activity
o Brian produces delta waves
Slow delta waves signify decreased brain 
HR, temperature, and breathing decrease 
to their lowest points 
REM sleep (most important type of sleep you could get. If you
are get 2 hours of sleep then you’re missing out of REM 
o Rapid eye movement (REM) o One whole sleep cycle takes about 90 minutes More REM as night goes on o “Paradoxical Sleep” because internally very active HR and breathing increases but muscles 
Lots of brain activity vivid dreams Not getting enough sleep REM rebound (occurs when your brain forces you 
into REM sleep earlier than usual)
Negative effects of sleep deprivation Impairs immune system  Body needs sleep in order to rebuild your 
immune system
Decreases attention and motor responses After several day, hallucinations and paranoia 2

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School: University of Mississippi
Department: OTHER
Course: General Psychology
Term: Spring 2017
Tags: Intro to Psychology
Name: Test 3 Materials
Description: Lecture is about consciousness and sleep
Uploaded: 10/10/2017
5 Pages 54 Views 43 Unlocks
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