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. 1974 Nov;22(3):483–489. doi: 10.1901/jeab.1974.22-483

Effects of varying the percentage of key illuminations paired with food in a positive automaintenance procedure1

Fernando A Gonzalez
PMCID: PMC1333296  PMID: 16811811

Abstract

Three pigeons were exposed to a positive automaintenance procedure in which each trial began with a brief tone followed by the transillumination of a small central area of the response key for 10 sec. Key illumination was followed by food on 100%, 50%, 25%, 12.5%, and 0% of the trials. The effects depended on the dependent variable observed. The mean rate of responding during key illumination rapidly increased and then decreased slightly as the percentage of key illuminations paired with food increased. The number of key illuminations during which at least one response occurred increased as a negatively accelerating function of the percentage of key illuminations paired with food, and the mean latency to the first response during the key illuminations decreased as a negatively decelerating function of the percentage condition. The mean rate of sustained responding during key illumination was not systematically affected by changes in the percentage conditions.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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