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Behavior

New findings from Pennsylvania State University, College of Medicine in the area of behavior described

Published in Drug Week, February 16th, 2007

Current study results from the report, "Lewis rats are more sensitive than Fischer rats to successive negative contrast, but less sensitive to the anxiolytic and appetite-stimulating effects of chlordiazepoxide," have been published. "Lewis rats show greater anticipatory contrast effects than Fischer 344 rats. Specifically, relative to Fischer rats, Lewis rats exhibit greater avoidance of a saccharin cue when it predicts the future availability of a preferred sucrose reward [Grigson, P.S., Freet, C.S," researchers in the United States report.

"The suppressive effects of sucrose and cocaine, but not lithium chloride, are greater in Lewis than in Fischer rats: evidence...

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