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Published on: January 6, 2011
OPERANT EXTINCTION NEAR ZERO
Journal of the Experimental Analysis of Behavior
|March 1, 1964
Summary
Extinction training stops pecking behavior. However, reinforcing a third stimulus can reintroduce responding to previously extinguished stimuli, especially those less linked to extinction.
Area of Science:
- Behavioral psychology
- Animal behavior studies
Background:
- Extinction is a fundamental concept in learning theory, describing the reduction of a learned response when reinforcement is withdrawn.
- Understanding extinction is crucial for developing effective behavioral modification strategies.
Purpose of the Study:
- To investigate the resurgence of extinguished behaviors when a new stimulus is introduced.
- To examine the influence of stimulus-response associations on the recovery of behavior after extinction.
Main Methods:
- Subjects were exposed to extinction procedures for two distinct stimuli, suppressing pecking responses.
- A third stimulus was then introduced and reinforced, leading to the resumption of pecking.
Main Results:
- Extinction successfully reduced pecking rates to near zero for the trained stimuli.
- Reinforcement of the third stimulus triggered a resurgence of pecking under the previously extinguished stimuli.
- Responding was more pronounced to the stimulus with weaker prior association with extinction.
Conclusions:
- Behavioral resurgence can occur even after complete extinction, highlighting the persistence of learned associations.
- The degree of stimulus-extinction association influences the magnitude of behavioral recovery, offering insights into memory and learning processes.
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