Abstract
The effect of sucrose concentration on conditioned suppression of dipper licking was investigated in 10 albino rats tested 18 times under each of 2 sucrose conditions. Conventional indices of preference showed that every S strongly preferred 32% over 8% sucrose; yet only 5 Ss suppressed significantly more to a preaversive CS when licking the less preferred solution. 4 Ss did not suppress differentially as a function of sucrose concentration, and 1 suppressed significantly more when licking 32% than when licking 8%.
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