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., consiousness "awareness of self and…
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consiousness
"awareness of self and environment"
intentional blindness "failure to see visible objects when our attention is directed elsewhere"
states of consiousness
physiologically
hallucination-orgasm-food or ox starvation
psychologically
sensory deprivation-hyponsis-meditation
spontaneously
dreaming-daydreaming-drowsiness
dual processing "information processed on separated conscious and unconscious tracks"
consiousness and selective attention
selective attention "focusing consious awareness of a particular stimulus
selective attention and accidents
accidents ex: multitasking distracts the brain
cellphones increase accident risk
inattentional blindness
sleep "periodic natural loss of consciousness"
biological rhythms "24 hour biological clock"
ciradian rhythm "internal biological clock of 24 hours cycle of day and night
sleep stages=beta waves / alpha waves/ REM "vivid dreams" / NREM1-3
what affects sleep patterns: light and jet lag
why do we sleep ex: restore and repair damaged neurons / promotes creative problem solving
sleep disorders
sleep deprivation "ex: causes fatigue/impaires productivity/lead to depression
insomnia "recurring problems in falling or staying asleep"
narocelpsy "sudden uncontorled sleep attacks"
sleep apnea "stop of breath while asleep"
night terrors "being terrified"
dream types
REM dreams "vivid"
daydreams "familiar details of life"
dreams with -ve events
dreams incorporating previous days experience
natural sleep aids ex: avoid caffiene after early afternoon/hide the time / relax before bedtime
dream theories
neural activation "REM sleep trigers neural activity that evokes random visual memories"
cognitive development "reflects cognitive development"
physological function "develop-preserve neural pathways"
information processing "dreams help us sort daily events and considilate our memories
freud wish fulfillment "dreams preserve sleep"
tolerance "the desired effect requires larger dose"
addiction "compulsive craving of drugs or certain behaviors"
withdrawal "discomfort and distress that follow discontinuing an addictive drug or behavior"
psychoactive drugs "chemicals that alter elements of conscious experience"
depressants "calm neural activity and slow body functions"
opiates and barbiturates
alcohol as a dishibitor "slows neural processing / disrupts memory /reduce self awareness"
stimulants
nicotine "in tobaco / effects ex;:diminishe appetite - calms anxiety"
cocaine " produce quick rush of euphoria"
hallucinogens "distorts perceptions and calls up sensory images without any input from senses
why do some people become regular users of counsiousness alterning drugs?
psychological factors like stress
cultural and ethinic groups have differing rates of drug use
some are biologicaly vulnerable to some drugs
drug preventaion and treatment programs
educate young people of drug effects
help people find other ways to boost self esteem