Effects of ventromedial hypothalamic lesions on conditioned sucrose aversions in rats.

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Abstract
Maintained 11 female Wistar rats with lesions of the ventromedial hypothalamus (VMH) at 95% body weight (BW) and gave them an intraperitoneal injection of a 2% BW dose of .15 M lithium chloride following the consumption of sucrose pellets. Control groups (N = 18) maintained at 95 and 80% BW received the same treatment. The VMH and 80% groups showed less aversion to sucrose than the 95% group. Results suggest that appetitive passive-avoidance deficits in VMH-lesioned rats may be produced by increased hunger motivation. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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