Temporal variables and trial discreteness in lever-press avoidance
Psychonomic SciencePublished 1 May 1966Open access
Michael Cole, Edmund Fantino
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Abstract
Discrete trials were introduced into discriminated lever-press avoidance learning in rats by employing a retractable lever. The effects of CS-UCS and inter-trial (ITI) intervals were investigated using both retractable and non-retractable levers. The retractable lever groups outperformed the non-retractable lever groups by a highly significant margin early in training but this difference disappeared within 150 trials. Similarly, ITI and CS-UCS intervals affected performance only in the first 100 trials.
Keywords
NeuroscienceBiochemistry, Genetics and Molecular Biology