Ch.4 Flashcards
(27 cards)
consciousness
awareness of internal and external stimuli such as feelings of hunger and pain or detection of light
hypnosis
extreme focus on the self that involves suggested changes of behavior and experience
Stage N1
Transitional phase occurring between wakefulness and sleep
Stage N2
The body goes into deep relaxation
Stage N3
Respiration and heart rate slow down further
Rapid Eye movements (REM)
Paralysis of voluntary muscles
adaptive theory
Sleep is an adaptive response to predatory risks, which increase in darkness
restorative theory
Sleep is essential to restore resources that are expended during the day
insomnia
difficulty falling or staying asleep - for at least 3 nights a week for at least one month’s time, most common sleep disorder
sleep apnea
when individuals stop breathing during their sleep, usually for 10-20 seconds or longer
narcolepsy
an irresistible urge to fall asleep during waking hours
nightmares
a ba dream you can wake up from
night terrors
a sense of panic and may scream or attempt to escape, no memory of it
somnambulism
sleepwalking, performing tasks while still sleeping
dreams (freud)
a way to gain access to the unconscious
dreams (carl jung)
dreams allowed us to tap into the collective unconscious
Wish fulfillment theory (freud)
when wishes can’t or won’t be fulfilled in our waking lives, they are carried out in dreams
Activation synthesis hypothesis
dreams are caused by the physiological processes of the brain
information processing theory
sleep allows us to process all of the information and memories that we have collected during the previous day
depressants
drugs that suppress the central nervous system activity
depressant example
alcohol, xanax
stimulants
Increase overall levels of neural activity
stimulant example
coke, molly, adderall
hallucinogens
Cause changes in sensory and
perceptual experiences
