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
2
Q
functions of sleep
A
- restoration
- energy conservation
^^ both old - brain function (memory consolidation & emotional regulation)
^^ now
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)
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
5
Q
where are neurons active during REM sleep
A
Siegel (2008) - brainstem (cortical regions also)
- reduced brain stem activity during non-REM
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