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Test 2
Senstation and Perception ; Learning
26
Psychology
Undergraduate 1
02/25/2009

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Cards

Term
transduction
Definition
the process by which a form of physical engergy is converted into a coded neural signal that can be processed by the nervous system
Term
visable spectrum
Definition
"visable light" the portion of the electromagnetic spectrum that is visible to the human eye
Term
what happens when rods and cones are exposed to light?
Definition
a chemical reaction occurs that results in sight
Term
olfactory bulb
Definition
the enlarged ending of the olfactory cortex at the front of the brain where the snesation of smell is registered
Term
figure-ground reversal
Definition
the principle of perception that assists in the registering the distance of objects from each other (ex: dalmation illusion, vase/face illusion)
Term
we tend to follow the _______ in grouping things together
Definition
Gestalt Principles of Organization
Term
why do psychologists study perceptual illusions?
Definition
to see the factors that influence us in our interpretations of what we see and how we see it. (ex: Mike)
Term
perception
Definition
the process of organizing, interpreting, and relation data to existing knowledge
Term
when does sensation occur?
Definition
when sensory receptors are stimulated by enviromental changes
Term
which two elements are paired together repeatedly to produce a learned response?
Definition
unconditioned stimulus and neural stimulus
Term
unconditioned stimulus
Definition
a stimulus that elicts a response without it having to have been learned
Term
unconditioned response
Definition
a response that has not been learned but is natural to human reaction
Term
conditioned stimulus
Definition
he formerly neural stimulus that now elicits a learned response
Term
conditioned response
Definition
the reaction to a conditioned stimulus
Term
neural stimulus
Definition
a stimulus paired with an unconditioned stimulus to result in a conditioned respsonse; becomes a conditioned stimulus
Term
discriminative stimulus
Definition
when a response occurs only to one particular stimulus and not other similar ones
Term
spontaneous recovery
Definition
the reappearance of a conditioned response after time has passed with no exposure to the stimulus
Term
what does spontaneous recovery proove?
Definition
that extinction does't mean that the response was unlearned
Term
law of effect
Definition
states that a response followed by a positive effect makes the response more likely to reoccur; opposite with negative
Term
shaping
Definition
the reinforcment of specific responses until the desired response is finally developed
Term
toleman's cognitive map
Definition
the mental layout of a familar place that can be formed without enforcement
Term
bandura's observational learning
Definition
states that learning occurs by example
Term
fixed-ratio schedule
Definition
a reinforcer is given after a certain amount of responses has occured
Term
variable-ratio schedule
Definition
a reinforcer is given after an unset amount of responses has occured
Term
fixed-interval schedule
Definition
a reinforcer is given to the first response after a certain amount of time has passes
Term
variable-interval schedule
Definition
a reinforcer is given to the first response after an unset amount of time has passed
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