Effects of shock type and intensity on anticipatory responses

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Effect of shock intensity and type (continuous or discontinuous) on anticipatory responses of 20 male albino rats was evaluated by eliminating the avoidance contingency in a bar-press avoidance conditioning situation. Shock intensity had an effect on anticipatory responding large enough to account for the usual effect of this variable on avoidance conditioning. Type of shock was much less potent, supporting the view that discontinuous shock facilitates avoidance conditioning by means of a different mechanism. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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