Abstract
Rats received escape training, with shock-presentation schedules of 50% or 100% and discrete CS-presentation schedules of 0%, 50% or 100%, followed by extinction with the discrete CS alone. Acquisition performance was directly related to shock percentage (p < .001). No reliable effect of CS was found. Resistance to extinction was inversely related to shock percentage (p <. 05) and, during early extinction, was directly related to CS percentage (p < .02 on extinction Trial Block 1).
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References
Franchina, J. J. Effects of shock schedules on the acquisition and extinction of escape behavior. Psychon. Sci., 1966, 4, 277–278.
McAllister, W. R., & McAllister, D. E. Role of the CS and of apparatus cues in the measurement of acquired fear. Psychol. Rev., 1962, 11, 749–756.
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Supported by Grant No. 20-97-152 from the Research Institute of Southern Methodist University.
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Franchina, J.J. Escape behavior as determined by schedules of shock and discrete CS presentations. Psychon Sci 5, 31–32 (1966). https://doi.org/10.3758/BF03328264
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DOI: https://doi.org/10.3758/BF03328264