c-Fos activity in the insular cortex, nucleus accumbens and basolateral amygdala following the intraperitoneal injection of saccharin and lithium chloride

Soto, Alberto, Gasalla, Patricia, Begega, Azucena and Lopez, Matias 2017. c-Fos activity in the insular cortex, nucleus accumbens and basolateral amygdala following the intraperitoneal injection of saccharin and lithium chloride. Neuroscience Letters 647 , pp. 32-37. 10.1016/j.neulet.2017.03.025

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Abstract

This study examined c-Fos expression in selected brain areas consequent to intraperitoneal (IP) administration of saccharin and lithium chloride. Rats were tested for aversion to the saccharin as measured by flavor consumption and orofacial reactions in the taste reactivity (TR) test. It was found that intraperitoneal conditioning resulted in the reduction in voluntary consumption but not in the production of aversive orofacial responses to the saccharin. The immunohistochemistry quantification revealed increased c-Fos activity in the insular cortex, the shell and core regions of the nucleus accumbens, and the basolateral nucleus of the amygdala. These results show that a conditioned taste aversion can be induced without direct oropharyngeal gustatory stimulation at the time of conditioning. In addition, this study provide evidence of increased neural activity in response to intraperitoneal saccharin injections.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine Neuroscience and Mental Health Research Institute (NMHRI)
Publisher:	Elsevier
ISSN:	0304-3940
Date of Acceptance:	15 March 2017
Last Modified:	03 Sep 2020 15:09
URI:	https://orca.cardiff.ac.uk/id/eprint/134622

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