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ERIC Number: EJ862935
Record Type: Journal
Publication Date: 2009-Sep
Pages: 17
Abstractor: As Provided
Reference Count: 43
ISSN: ISSN-0022-5002
Observing Responses and Serial Stimuli: Searching for the Reinforcing Properties of the S-
Escobar, Rogelio; Bruner, Carlos A.
Journal of the Experimental Analysis of Behavior, v92 n2 p215-231 Sep 2009
The control exerted by a stimulus associated with an extinction component (S-) on observing responses was determined as a function of its temporal relation with the onset of the reinforcement component (S+). Lever pressing by rats was reinforced on a mixed random-interval extinction schedule. Each press on a second lever produced stimuli associated with the component of the schedule in effect. In Experiment 1 a response-dependent clock procedure that incorporated different stimuli associated with an extinction component of a variable duration was used. When a single S- was presented throughout the extinction component, the rate of observing remained relatively constant across this component. In the response-dependent clock procedure, observing responses increased from the beginning to the end of the extinction component. This result was replicated in Experiment 2, using a similar clock procedure but keeping the number of stimuli per extinction component constant. We conclude that the S- can function as a conditioned reinforcer, a neutral stimulus or as an aversive stimulus, depending on its temporal location within the extinction component. (Contains 2 tables and 5 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A