BRAIN-STIMULATION INTENSITY, RATE OF SELF-STIMULATION, AND REINFORCEMENT STRENGTH: AN ANALYSIS THROUGH CHAINING

Reinforcement strengths of different intensities of brain stimulation were assessed by means of a two-member behavioral chain. A variable interval schedule of 30 sec was the first-member, and five lever presses, each rewarded with stimulation, was the second. It was found that response rate on the V...

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Bibliographic Details
Published in:Journal of the experimental analysis of behavior 1964-07, Vol.7 (4), p.285-288
Main Authors: Hawkins, T. Daryl, Pliskoff, Stanley S.
Format: Article
Language:English
Subjects:
Brain - physiology
Electric Stimulation
Electricity
Electrophysiology
Old Medline
Rats
Reinforcement (Psychology)
Self Stimulation
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Summary:Reinforcement strengths of different intensities of brain stimulation were assessed by means of a two-member behavioral chain. A variable interval schedule of 30 sec was the first-member, and five lever presses, each rewarded with stimulation, was the second. It was found that response rate on the VI schedule continued to increase beyond the intensity value which produced peak rate on the second-member, self-stimulation lever. It was concluded (1) that brain-stimulation reinforcement strength cannot be assessed adequately by means of self-stimulation rate, and (2) the chaining technique employed in the present experiment appears promising as an analytical tool in brain-stimulation research. Finally, some aspects of the data suggested a fatigue or stimulation-adaptation phenomenon.
ISSN:0022-5002
1938-3711
DOI:10.1901/jeab.1964.7-285