SLEEP Chapter 5 Huffman/Ch 6 Nairne States of Consciousness.

SLEEP

Chapter 5 HuffmanCh 6 NairneChapter 5 HuffmanCh 6 NairneStates ofStates of ConsciousnessConsciousness

bull Consciousness an organismrsquos subjective awareness of internal and external events in its environment

bull Levels of awareness

ndashHIGH Controlled processes that require attention Concentration Ex Taking a test)

ndashMIDDLE Automatic processes requiring minimal attention (such as riding your bike)

ndashLOWEST Minimal or no awareness of the environment

bull Levels of awareness

ndashHIGH Controlled processes that require attention (and interfere with other functions)

ndashMIDDLE Automatic processes requiring minimal attention (such as riding your bike)bull Automaticity ndash fast and effortless processing that requires little or no focused attention

bull Levels of awareness

ndashHIGH Controlled processes that require attention (and interfere with other functions)

ndashMIDDLE Automatic processes requiring minimal attention (such as riding your bike)

ndashLOWEST Minimal or no awareness of the environment

Altered State of Consciousness

Awareness that is distinctly different in quality or pattern from waking consciousness

Sleep daydreaming dreaming hypnosis meditation intoxication

- Sleep helps to repair your body- Sleep helps keep your heart healthy - Sleep reduces stress - Sleep improves your memory- Sleep helps control body weight issues - Sleep reduces your chances of diabetes- Sleep reduces the occurrence of mood disorders- Teens need Approx 925hrs of sleep- We spend One third of our live in sleep mode

EEG Changes During Sleep

ndash Wakefulness as most of you are now beta activity

ndash Eyes closed alpha activity

EEG Changes During SleepStage 1 Light Sleep ndash Alpha Waves

Stage 2 Dreams in stages 1-4 stages deal with past events

EEG Changes During Sleep

bull Stage 4 almost all delta wavesndash Very hard to wake during this

stage

EEG Changes During Sleep

bull REM stage Rapid Eye Movement (saw-tooth pattern) Dreams usually deals with our future

bull BADmdashwave orderbull Betabull Alphabull Delta

p154 SLEEP CHART

p150 SUPRACHIASMATIC NUCLEUS

Biological idea

Circadian rhythms Occur every 24hours 1) Sleep-wake cycle 2) Body temp 3) Influenced by changes in routine

Jet lag New work shifts New work shifts

How much do we sleep compared toother species1048697 Giant sloth‐ 20 hoursday1048697 Giant armadillo‐18 hoursday1048697 Arctic ground squirrel‐ 16 hoursday1048697 Cat‐14 hoursday1048697 Gorilla‐12 hoursday1048697 Jaguar‐10 hoursday1048697 Chimp‐9 hoursday1048697 Human rabbit pig‐8 hoursday1048697 Gray seal‐6 hoursday1048697 Cow goat elephant‐3 hoursday1048697 Horse zebra‐2 hoursday

Theories of Sleepbull RepairRestoration

ndashSleep allows for recuperation from physical emotional and intellectual fatigue

bull Survival ValuendashSleep evolved to conserve energy

and protect our ancestors from predators