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In one-bottle tests (30 min/day) food-deprived rats consumed significantly more 2% Polycose than 2% sucrose, and yet in two-bottle choice tests they did not consistently prefer Polycose to sucrose. A previously proposed explanation for this effect is that rats habituate, or develop oral satiety, to the flavor of sucrose more rapidly than to Polycose, and(More)
A modified version of the mere exposure effect paradigm was utilized in an implicit artificial grammar learning task in an attempt to develop a procedure that would be more sensitive in assesing nonconscious learning processes than the methods currently utilized within the field of implicit learning. Subjects were presented with stimuli generated from a(More)
The present study examined the ability of rats to develop aversions to familiar flavours and to flavours that they had previously acquired a preference for. Rats were first conditioned to prefer a CS+ flavour over a CS- flavour by pairing CS+ intake with the consumption of a starch solution (16% Polycose). A second group was exposed to the same training but(More)
Two experiments using a standard artificial grammar paradigm were conducted to examine the role of affective states, specifically anxiety and depression, on implicit learning. The main purpose was to broaden the range of human functioning explored through the application of the robustness principle in the evolutionary framework recently developed by Reber(More)
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