Psych020Chapter7(Learning)

Psych020Chapter7(Learning) - body’s way of adapting?...

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CHAPTER 7 Learning Professor Fazakas-DeHoog
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Natural Response Unconditioned Stimulus (UCS) Unconditioned Response (UCR) Meat Powder Salivation
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No Natural Response Neutral Stimulus Bell No response
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During Learning Repeatedly pair UCS and Neutral Stimulus
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After Learning Conditioned Stimulus (CS) Conditioned Response (CR) Salivation Bell
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Summary
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Timing is Important
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Little Albert Acquisition of Phobias Classical Conditioning of Fear
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Systematic Desensitization Treating a spider phobia with systematic desensitization
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Other Considerations Biological Constraints degree of conditioning depends on stimulus and species Taste Aversions strong CS-UCS association after only one trial Role of Cognition expectations forming representations Compensatory-Reaction Hypothesis is classical conditioning the
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Unformatted text preview: body’s way of adapting? Thorndike’s Experiment Puzzle Box Learning Curve First Trial Tendency to perform Scratching Exploring Sniffing Grooming Reaching Lever-Pressing Reward Reaching with paw Later Trial Tendency to perform Scratching Lever-pressing Exploring Grooming Reaching Sniffing Reaching with paw Partial Reinforcement Fixed Ratio reinforced after a fixed number of responses Variable Ratio reinforced after a variable number of responses Fixed Interval reinforced after a given amount of time has elapsed Variable Interval reinforced after a variable interval of time has elapsed Experimental Evidence Exposure to a violent TV show increased aggression – especially among boys....
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This note was uploaded on 11/03/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Fall '09 term at UWO.

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Psych020Chapter7(Learning) - body’s way of adapting?...

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