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Administration of corticosterone after the first downshift trial enhances consummatory successive negative contrast



Administration of corticosterone after the first downshift trial enhances consummatory successive negative contrast



Behavioral Neuroscience 120(2): 371-376



Rats given access to a 32% sucrose solution and then downshifted to a 4% solution exhibit less contact with the sipper tube than unshifted controls always given access to 4% solution. This phenomenon, called consummatory successive negative contrast, was facilitated in Experiment 1 by a posttrial injection of corticosterone (3 mg/kg) administered immediately after the first downshift trial.

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Accession: 011731904

Download citation: RISBibTeXText

PMID: 16719701

DOI: 10.1037/0735-7044.120.2.371


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