PubMed · 14269564
ESCAPE BEHAVIOR UNDER DIFFERENT FIXED RATIOS AND SHOCK INTENSITIES.
Abstract
The effects of ratio length and shock intensity on bar pressing were examined in three rats in two escape-from-shock experiments. In Experiment I, shock intensity was held constant while the schedule was varied from FR 1 to FR 20. The latency of the first escape response increased with FR length while the escape rate, computed as over-all rate in shock minus latency of the first response, decreased at FR 20. In Experiment II, the schedule was held constant at FR 5 while shock intensity was manipulated. Latency decreased as intensity increased, while escape rate increased with intensity, passing through a maximum for two subjects. Responses occurring during the last 100 sec of the 2-min escape period decreased as the FR increased for all subjects, and decreased as shock intensity increased for two subjects.
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E WINOGRAD. 1965. ESCAPE BEHAVIOR UNDER DIFFERENT FIXED RATIOS AND SHOCK INTENSITIES.. https://doi.org/10.1901/jeab.1965.8-117
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