CL+Fa10+L10+_+11+_Ch+8_-S

CL+Fa10+L10+_+11+_Ch+8_-S - Conditioning & Learning:...

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Conditioning & Learning: Conditioning & Learning: Lectures 10 & 11 Lectures 10 & 11 Stimulus Control of Behavior (Ch 8)
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Outline: Stimulus Control of Outline: Stimulus Control of Behavior (Ch 8) Behavior (Ch 8) I. Identification & Measurement of Stimulus Control II. Stimulus & Response Factors in Stimulus Control III. Learning Factors in Stimulus Control IV. Contextual Cues & Conditional Relations
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I. Identification & Measurement I. Identification & Measurement of Stimulus Control of Stimulus Control Differential responding & stimulus discrimination Stimulus generalization Stimulus generalization gradients as measures of stimulus control
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I. ID & Measurement of Stimulus Control: I. ID & Measurement of Stimulus Control: Differential Responding & Stimulus Differential Responding & Stimulus Discrimination Discrimination Reynolds (1961) pigeon experiment: 2 pigeons on VI (reinforced when white triangle superimposed on red circle); which stimulus controlled IR? Stimulus control of IR shown by variations in responding related to variations in stimuli Displayed stimulus discrimination : treated each stimulus as different Pecking behavior (IR) under control of different stimuli for each bird From Fig 8.1. After training, pigeons IR measured when the 2 stimuli presented separately.
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Stimulus generalization : organisms show this if respond similarly to 2+ stimuli Pavlov: dogs trained w/ certain CS then showed CR to similar stimuli Guttman & kalish (1956) trained pigeons on VI to peck yellow- orange keylight Stimulus generalization gradients as measures of stimulus control Based on Fig Fig 8.3 Stimulus generalization gradient : gradient of responding dependent on stimulus similarity
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I. ID & Measurement of Stimulus Control: I. ID & Measurement of Stimulus Control: Generalization of Treatment Outcomes Generalization of Treatment Outcomes Stimulus generalization crucial to effectiveness of behavior therapy (Box 8.1) Techniques to facilitate generalization: 1. Treatment situation should match natural environment 2. Conducting treatment in new settings (sequential modification) 3. Using many examples 4. Conditioning new responses to common stimuli 5. Embed training in natural interests/activities 6. Training enabling individuals to come into contact w/ natural reinforcers
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II. Stimulus & Response Factors II. Stimulus & Response Factors in Stimulus Control in Stimulus Control Relative ease of conditioning various stimuli Type of reinforcement Type of instrumental response (IR) Stimulus elements vs. configural cues in compound stimuli
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II. Stimulus & Response Factors:
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This note was uploaded on 11/05/2011 for the course 830 311 taught by Professor Joannehash-converse during the Fall '10 term at Rutgers.

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CL+Fa10+L10+_+11+_Ch+8_-S - Conditioning & Learning:...

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