@article{a55bf3b6035e4a87b77405021063e37c,
title = "Medial and lateral amygdalectomy differentially influences consummatory negative contrast",
abstract = "Rats shifted from a 32% to 4% sucrose solution consume substantially less 4% sucrose than unshifted animals that experience only the 4% solution. This negative contrast effect was found to be attenuated by lesions of the lateral aspects of the amygdala (basolateral, lateral, and basomedial nuclei) and eliminated by lesions of the medial aspects of the amygdala (corticomedial and central nuclei). The results are discussed in terms of the possible role the amygdala may play in some of the proposed determining factors mediating consummatory negative contrast (e.g., emotionality, neophobia, memory).",
keywords = "Amygdalectomy, Incentive contrast, Sucrose, Taste",
author = "Becker, {Howard C.} and Jarvis, {Michael F.} and Wagner, {George C.} and Flaherty, {Charles F.}",
note = "Funding Information: There have been no studies of the effects of amygdala lesions on consummatory contrast. However, there is substantial evidence to indicate that the amygdala might be an important part of a neural system involved in making gustatory reward evaluations. First, it is an important limbic structure that has been anatomically and physiologically linked to the taste system \[44, 47, 51\]. It has also been shown that the amygdala is involved in food and water intake, possibly modulating hypothalamic intake mechanisms \[31\]. The amygdala is also involved in learned modifications of food intake. Damage to the amygdala, particularly the lateral area, reduced the degree of aversion that occurs in conditioned taste aversion paradigms \[23,42\].T here is also evidence that amygdala lesions substantially reduce behavioral contrast \[26,28\]. The effects of these lesions on behavioral contrast were interpreted in terms of altered emotional re- ~Research supported by an NIH Research Grant No. MH 37471 awarded to George C. Wagner and Charles F. Fiaherty. 2Requests for reprints should be addressed to C. Flaherty, Department of Psychology, Rutgers University, Busch Campus, New Brunswick, NJ 08903.",
year = "1984",
month = nov,
doi = "https://doi.org/10.1016/0031-9384(84)90035-0",
language = "English (US)",
volume = "33",
pages = "707--712",
journal = "Physiology and Behavior",
issn = "0031-9384",
publisher = "Elsevier Inc.",
number = "5",
}