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92 Cards in this Set
- Front
- Back
conciousness
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awareness of ourselves and the environment
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biological rythym is controlled by our...
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biological clock
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SAD
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seasonal affective disorder
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different biological rythyms
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menstraul cycle
90 minute cycle 24 hour cycle- circadian rythym |
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superchiasmatic nucleus
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light triggers a decrease of melatonin (morning) and increase (night) from pineal gland
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90 minute sleep cycle
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5 stages/90 minutes
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brain activity during awakeness/alterness
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beta waves- when engaged in mental activity
alpha waves- during awakeness but no mental activity |
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stage 1 sleep
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very light sleep
easily to be awaken hypnogogic sensations (floating off bed, falling) |
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stage 2 sleep
spend... |
slightly alert
theta waves sleep spindles- bursts of rapid, rythmic brain wave activity most time |
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stage 3 sleep
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brain activity slows down
delta waves start |
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stage 4 sleep
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increase of delta waves
deepest level of sleep sleepwalking |
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do we process information when asleep
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yes. ex: not falling out of bed
EEG recordings confirm that the brains auditory cortex responds to certain stimuli during slee |
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stage 5 sleep
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REM sleep
beta waves reapper dreaming occurs during this stage arousal paradoxical sleep: body is internally aroused and externally calm |
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adenosine
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chemical produced the longer we stay awake. caffeine blocks this activity
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light and sleep
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light therapy
artificial light can delay sleep |
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sleep theories
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sleep protects- stay away from predators
sleep recuperates- restore, repair brain tissue sleep helps- helps with memory sleep and growth- pituitary gland releases growth hormones |
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effects of sleep deprivation
effects or chronic deprivation |
daylight savings affects
slow reactions, increased mental performance affected immune system obesity, mental impairment |
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insomnia
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persistent problems in staying or falling asleep
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somnambulism
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sleep walking
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nightmares
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frightening dreams that wakes a sleeper from REM
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night terrors
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sudden arousal of sleep and intense fear (sweating, heart rate increase)
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narcolepsy
cause |
overpowering urge to fall asleep
absense of hypothalamic neural center that produces hypocretin, an alerting transmitter |
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sleep apnea
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failure to breath when asleep
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manifest content
developer |
story line of our dreams
sigmund freud |
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__ of dreams are of neg content
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80%
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why we dream
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satisfy wishes
failure dreams sexual dreams (less than 10%) information processing psychologial function |
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activiation synthesis theory
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brain engages in a lot of neural activity that is random. dreams make sense of this theory
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cognitive development and dreams
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dreams help brain maturation and cognitive development
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REM rebound
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we show increased REM sleep when we are sleep deprived
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concious processing allows us to.... and is relativiley....
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perform voluntary acts, solve novel problems, communicate with others
relativley slow |
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what stages shorten when REM stage extend
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3 and 4
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manifest content
latent content |
story line of our dreams
unconscious drives and wishes |
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learning
is maturation learning |
relativley permanent change in the immediate or potential behaviors that results from experience
no |
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classical conditioning
creator |
type of learning in which an organism comes to associate stimuli.
ivan pavlov |
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aquisition
when is best, good, poor, very poor timing? |
aquiring the relationship between the CS and US
CS w pause then US CS right before US CS during US US before CS |
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extinction
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diminishing of a conditioned response when US does not follow CS
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spontaneous recovery
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the reappearance, after a pause of a extinguished conditoned response
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belongingness, preparedness
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certain things are learned faster than others (survival, gut skills)
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# of pairings
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number of time CS + US is experienced
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intensity of US
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extreme vs mild illness
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generalization
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same CR to similar types of CS
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higher order conditioning
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treat a CS as a US if it is well learned
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classical conditioning and bilogical functions
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organisms learn associations for survival
used to adapt to the environment |
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applications of classical conditioning
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little albert
drug, alcohol addicts |
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john garcia
lohn b watson |
garcia- not all ideas all learned equally
watson- little albert experiment |
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associative learning
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learning that certain events occur together
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observational learning
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learning by watching others experiences and examples
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behaviorism
developer |
objective science that studies behavior without referring to mental processes
watson |
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organism's ability to anticipate the occurrence of the US
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cognitive perspective
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operant conditioning
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learning that is strengthened by a reinforcer or diminished by a punisher
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respondent behavior
operant behavior |
behavior that occurs as an automatic response to some stimulus
behavior that operates on the environment, producing consequences |
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developer of operant conditioning
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BF skinner
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law of effect
who |
behaviors followed a satisfying state of affairs is most likley to recur than behavior that is followed by an unsatisfying state of affairs
thorndike |
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shaping
example |
an operant conditioning procedure in which reinforcers guide behavior toward closer approximations of desired behavior
rat stepping on bar for food |
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discrimitive stimulus
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if a bird is reinforced for pecking at a picture of a human face, but not other images
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operant chamber
aka |
skinner box
rat steps on bar for food |
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delay and rewards
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short delay between action and rewards are best
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reinforcer
positive vs negative reinforcment |
any event that strengthens the behavior it follows
+: strengthen behavior by presenting some sort of reward -: reducing or removing a undesirable stimulus |
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primary vs conditioned (secondary) reinforcer
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primary- serve a biological need
secondary- gains power through association with primary reinforcer |
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fixed ratio vs variable ratio schedules
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rewards given every x times something is performed, or a reward given on average every x times
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fixed interval vs variable interval schedules
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rewards given every x minutes or on average every x minutes
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punishment (+,-)
who found problems with punishment |
event that decreases behavior
introduce something negative, or take out something positive robert larzelere |
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problems of punishment
best way of punishment |
something behavior is only suppressed
increase aggresiveness develop fear of person administering punishment punishment combined with reinforcement |
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premack principle
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use things that people like to reinforce things that people dont like as much
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what we learn from operant conditioning
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relationship between response and consequence
explains superstitious behavior |
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vicarious vs observational learning
developer |
bandura
vicarious: observe someone doing something and witness its outcome and deduce an action observational: reproduce action. use mirror neurons |
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confound
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filling a certain group with more or less hopeful cases than the average
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cognitive map
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mental representation of the layout of ones environment
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latent learning
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learning that occurs only when there is some incentive to demonstrate it
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intrinsic vs extrinsic motivation
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desire to perform a behavior for its own sake vs a desire to perform a behavior due to promised rewards or threats of punishment
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keller breland and marian breland
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trained circus animals to do certain things, who later resorted to natural biological behaviors
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skinner criticisms
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dehumanized people, seeking to control peoples actions
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cognitive processes and operant conditioning
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become critical of owns actions
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observational learning
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learning by observing others
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mirror neurons
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frontal lobe neurons that fire when performing certain actions of when observing another doing so.
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negatives of observational learning
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negative models produce negative duplications
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prosocial behavior
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positive constructive helpful beahvior
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modeling
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process of observing and imitating a certain behavior
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memory
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persistence of learning over time through the storage and retrevial over time
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encoding memory
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getting information into the brain
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flashbulb memories
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a clear memory of an emotionally significant moment or event
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storage / storing memory
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retention of encoded information over time
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retrieval of memory
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process of getting out information out of memory storage
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penny example
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what we attend to is what we remember
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retrieval cue
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a word that recalls certain words of the same category
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unitized sets of features
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memory of up of unitized sets of features
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chunking
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grouping information
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sensory memory
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immediate, very brief recording of sensory information in the memory system
decide whats important for later high capacity ~1 sec |
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short term memory
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holds a few items briefly
~ 20 sec low capacity |
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long term memory
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permanent storage of information
unlimited capacity permanent memory |
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working memory
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sorting out incoming audio and visual spatial information for long term memory
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context cue dependent process
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study environment example
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