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27 Cards in this Set

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Consciousness
awareness of oneself, mental processes and the environment at any given point in time.
Dichotic Listening
Taking in information that you are unaware of. wearing headphones and receiving different information into each ear.
Sleep cycle
1-2-3-4-3-2-REM
1 cycle=90 minutes
4-6 sleep cycles in one night
REM
rapid eye movement-majority of dreams--unrealistic dreams
aka...paradoxical sleep
-internally aroused
-externally still
sleep deprivation
does not affect performance on short tasks, but after days will affect performance on complex tasks
Restoration Theory
the body fatigues during the day and...
NREM restores the body
REM restores brain and mental function
adaptive theory
sleep emerged in evolution to preserve energy and protect the species during the time of day when there is danger
Growth Theory
Pituitary Gland releases growth hormone during sleep.
insomnia
persistent problems in falling or staying asleep
Sleep apnea
failure to breath when asleep
Narcolepsy
Periodic, overwhelming sleepiness...collapse directly into a brief period of REM sleep..during walking
REM rebound
deprived of REM sleep-next time you sleep right to REM and more REM
active during REM
amygdala (emotions)
hippocampus (memory)
inactive during REM
visual cortex and frontal lobe-movement/planning
Psychoanalytic approach to dreams
repressed sexual and agressive instincts surface in dreams-FREUD
Manifest Content
dream elements that are experienced and remembered (Psychoanalytic approach)
Latent Content
unconscious wishes that are concealed; disguised meaning of the dream (psychoanalytic approach)
Activation-Synthesis Approach
Hobson: dreaming is the brain synthesizing and integrating memory and fragments and emotions-puts memories/images from life combined into a dream story
Information-Processing Approach
REM sleep facilitates memory and enhances recall on tasks
Circadian Rhythm
cyclical fluctuation in biological and psychological processes-body temperature, physical strength, sleep and wakefulness
Hypnosis
state of highly focused attention: increased responsiveness to suggestion, vivid imagery, reduced responsiveness to painful stimuli
Meditation
Sustained concentration that focuses attention and heightens awareness
contributions to drug abuse
1 biological influences-genetics
2. socio-cultural influence-peers/living in city
3.psychological influences-stress/worthlessness
Depressants
inhibit brain activity-produce sleep, lower inhibitions (alcohol)
Opiates
Mimic natural painkillers-relieve pain;produce euphoria
Stimulants
Excite Brain activity-increase alertness; elevate mood (caffeine, nicotine)
Psychedelics
distort sensory perceptions- elevate mood, reduce pain