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PSYC 100 Chapter Notes -Pharmacology, Escape Response, Slot Machine

Course Code
PSYC 100
Ingrid Johnsrude

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Learning and Behaviour 6/8/2012 6:50:00 AM
Learning an adaptive process in which the tendency to perform a particular behaviour
is changed by experience
the behavioral change produced by the internal changes brought about by
evidence that learning has occurred
3 kinds of learning
classical conditioning
operant conditioning
orienting response any response by which an organism directs appropriate sensory
organs (ears, nose, eyes) toward the source of a novel stimulus
Learning not to respond to an unimportant event that occurs repeatedly

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o Short term habituation
when stimuli are massed into quick repetitions
fast but short term
o Long term habituation
Stimuli are presented in small groups that are spaced in time
Slower but long term
Classical conditioning
Involves learning about the conditions that predict that a significant event will
Response that normally is elicited with the unconditional stimulus comes to be
controlled by another stimulus (conditioned stimulus) as well
The sequence of timing of events are important factors

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o Unconditional stimulus
stimulus (eg, food) that naturally elicits a response
o Unconditional response
A natural response that is elicited by the unconditional stimulus
o Conditional stimulus
A stimulus that is associated with an unconditional response
becomes conditional when paired with an unconditional stimulus
o Conditional response
Response associated with the conditioned stimulus
Acquisition the time during a conditioned response first appears and increases in
Extinction the elimination of a response that occurs when the conditioned stimulus is
repeatedly presented without being followed by the unconditioned stimulus
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