Psychology chap 4-6 Flashcards
Consciousness voluntary control; able to describe to others
Consciousness
Simultaneous without consciousness
Unconscious
Focus intently on ONE THING
Selective attention
Regular cycles of behavior
Biological rhythm
24 hour biological cycle of humans/many other species
Circadian rhythm
Seasonal affective disorder
One outcome
Falling asleep; slow alpha waves
Yawn
drowsy; theta waves
breathing, heart rate slow
muscle tension, body temperature decline
body “twitching”
N-1 (non-REM 1) (15 minutes)
“sleep spindles” ; clearly asleep
further decrease in muscle activit y
50% of nighttime sleep here
N-2 (non-REM 2) (30 minutes)
more transition; some dreaming (NOT the dream stage)
slow-wave sleep; large delta waves
sleepwalking, bedwetting, nightmares
can STILL process stimuli
N-3 (non-REM 3) (30 minutes)
REM Sleep rapid brain-wave activity
eyes dart; MAJOR DREAM
genital/vaginal arousal
muscles relax; not easily wakened
active limbic system/amygdala
REM Sleep
When does the cycle repeat?
every 90 minutes
Persistent difficulty falling OR staying asleep
Insomnia
Short periods of no breathing
Sleep apnea
Overwhelming sleepiness (not tied to time of day); genetic and neurologic reasons
Narcolepsy
Scared; recall nothing likely in REM
Sleep/night terrors
Why do we sleep?
Restore body tissue; builds immunity; sleep deprivation
Images, thoughts, sounds, emotions, while sleeping
Dreams
What do we dream?
Freud = “manifest content”
Day’s events, details
Why do we dream?
Freud = “latent content”
Hidden meaning (wishes, drives)
A chemical substance that alters perception and / or mood
Psychoactive Drug
The drugs absence results in physical pain and intense cravings
Physical dependence
Larger doses needed to achieve effect
Tolerance
Psychological need, especially for drugs that reduce stress
Psychological dependence
Negative reaction to reducing or stopping drug
Withdrawal
Compulsive drug craving and use
Addiction
__________ dependence is often harder to break than _______ dependence.
1) psychological
2) physical
SPEED UP CNS by blocking reuptake of dopamine, adrenaline, serotonin in synapses
Stimulants
Stimulant risk groups
Athletes, dieters, those desiring to stay awake
REDUCE activity of CNS
Depressants
Increase activity in certain receptor neurons in the brain and digestive system
Opioids
Most extreme alteration of consciousness; distort sensations and perceptions
Hallucinogens
Reducing stimuli to your five senses to alter consciousness
Sensory deprivation
Focuses on internal state of being
Meditation and relaxation
Erik Erikson
Interested in SOCIAL need to resolve goals and demands of each stage
Jean Piaget
Interested in COGNITIVE development - thinking