PSY100H1 Lecture Notes - Interval Ratio, Aspirin, Radiography

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11 Apr 2012
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Introduction to Psychology
Learning
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Learning
Learning refers to an enduring change in the way an
organism responds based on its experience
Distinct from
Drug effects (caffeine-induced jitters are not learning)
Fatigue or illness
Three assumptions of learning theories
Responses are learned rather than innate
Learning is adaptive
Our experiments can uncover the laws of learning
These laws will apply to animals and to humans
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Classical Conditioning
The Russian physiologist Pavlov noted that reflexive
salivation in dogs could be elicited by stimuli
associated with feeding
Reflex: Response that is reliably elicited by a stimulus
Food elicits salivation
Air puff elicits eye blink
Reflexive stimulus and response are unconditioned
Neutral stimulus is referred to as the conditioned stimulus
(CS)
CS is paired with the UCS over many trials
Eventually comes to elicit a conditioned response (CR:
resembles the UCR)
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