Chapter 5: Consciousness Flashcards
What is consciousness
Persons subjective awareness, including thoughts, perceptions, experiences of the world and self awareness
Circannual Rhythm
Yearly rhythm cycles the body adapts
ex. hibrination
Infradian rhythm
Rhythm that lasts over a day
Ultraradian rhythm
Frequent biological rhythms (ex. heart rate, urination)
Circadian Rhythm
Internally driven daily forces of approx 24hrs affecting physiological and behavioural processes
Melitonin
Sleep Hormone
Entrainment - circadian rhythms
When biological rhythms become synchronized to external cues such as light, temp or clocks
Endogenous rhythms - circadian rhythms
Bioloogical rhythms that are generated by our body independent of exteral cues such as light
What is REM Sleep associated with
Formation of new synapses, and growth of myelin on neurons
Chronotype
Tendency to prefer sleeping earlier or later in given 24-hr period
Polysomnography
Set of objective measurements used to examine physiological variables during sleep
Beta waves
High frequency, low amplitude waves
Stage 1 sleep
Brain waves slow down and become higher in aplitude - theta waves
Stage 2 sleep
Brain waves continue to slow
Stage 3 sleep
Brain waves continue to slow and assume new form called delta waves