Theory - Underlying Processes in Classical Conditioning...

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Underlying Processes in Classical Conditioning Theory
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S-S vs. S-R Models of Conditioning S-S Learning = Stimulus-Stimulus The CS becomes directly associated with the US Therefore, the CS comes to elicit a response that is similar / related to the US S-R Learning = Stimulus-Response The CS becomes directly associated with the UR Therefore, the CS comes to elicit the same response as the UR
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S-S vs. S-R Models The research conducted to test whether classical conditioning is based on S-S or S-R learning has found evidence to support both positions (not usually in the same study :) Currently, there tends to be a heavier emphasis on study of S-S associations
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S-S Approaches One example is Pavlov s stimulus- substitution theory The CS acts as a substitute for the US A connection forms in the brain between the CS and the US activation sites When the CS is activated alone following acquisition, it will automatically activate the US site in the brain Therefore, the CR should be almost identical to the UR (because the connection between UCS and UR in the brain is hardwired)
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substitution hypothesis Autoshaping in pigeons One group had CS(light)-->US(grain) Photos showed pigeons trying to eat the lit key (open beak and closed eyes) when they pecked 2nd group had CS(light)-->US(water)
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This note was uploaded on 10/14/2011 for the course PSYCH 100 taught by Professor X during the Spring '11 term at Fairfield.

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Theory - Underlying Processes in Classical Conditioning...

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