1. Introduction Flashcards

1
Q

definitions of sleep

A
  • naturally occurring state
  • periodic and recurring
  • involves mind and body
  • involves temporary suspension of consciousness
  • involves the relaxation and inactivity of muscles
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2
Q

functions of sleep

A
  • restoration
  • energy conservation
    ^^ both old
  • brain function (memory consolidation & emotional regulation)
    ^^ now
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3
Q

what areas of psychology are related to sleep

A
  • neuroscience (whats happening at level of the brain)
  • cognitive psychology (sleep and memory)
  • health (sleep problems and deprivation of sleep - epidemic which isnt given enough attention = need for education)
  • clinical (sleep problems are a common symptom in psychiatric disorders)
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4
Q

Siegel (2008) definition

A

a rapidly reversible state of immobility and greatly reduced sensory responsiveness that is homeostasis regulated

  • lost sleep is combatted with an increased drive for sleep = sleep rebound
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5
Q

where are neurons active during REM sleep

A

Siegel (2008) - brainstem (cortical regions also)

- reduced brain stem activity during non-REM

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6
Q

what type of neurons active during REM?

A
  • noradrenergic, serotonergic and histaminergic neurons not active in REM
  • tonically active during wakefulness
  • also reduced during non-REM
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