PMID: 8949998Nov 1, 1996Paper

Ipsilateral connections between the gustatory cortex, amygdala and parabrachial nucleus are necessary for acquisition and retrieval of conditioned taste aversion in rats

Behavioural Brain Research
E Bielavska, G Roldan

Abstract

Acquisition and retrieval of conditioned taste aversion (CTA) is implemented by the interaction of several brain structures. In order to clarify the role of 3 important gustatory and visceral relays, gustatory neocortex (GC), amygdala (AM) and parabrachial nucleus (PB), two experimental series were carried out. In Expt. 1 reversible unilateral lesions of the PB and AM or of AM and GC were induced by 10 ng of tetrodotoxin (TTX) either in the same hemisphere or in the opposite hemispheres during CTA acquisition. It was found that contralateral TTX injections into the above structures caused a complete blockade of CTA acquisition which was not affected by ipsilateral TTX administration. In Expt. 2, retrieval of CTA acquired during unilateral blockade of the PB or AM in one hemisphere has been examined during unilateral TTX blockade of GC alone, AM alone or during combined GC and AM inactivation either in the same or in the contralateral hemispheres. A clear CTA retrieval impairment was found only when structures in the opposite hemispheres were blocked. These results indicate a complete lateralization of CTA acquisition and retrieval processes and suggest that the long-term CTA engram can be formed in each hemisphere separately wi...Continue Reading

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Citations

May 31, 1996·Neuroscience Letters·J Krivanek, V I Koroleva
Oct 30, 2001·Behavioural Brain Research·H WelzlH P Lipp
May 6, 1999·Brain Research Bulletin·S Reilly
Dec 3, 2005·Learning & Memory·Martha E StoneDonald B Katz
Jun 6, 2008·Journal of Neurophysiology·Young K Cho, Cheng-Shu Li
Feb 27, 2009·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Alfredo FontaniniDonald B Katz
Nov 1, 2007·The European Journal of Neuroscience·Christopher Roman, Steve Reilly
Aug 14, 2012·Behavioural Brain Research·Jian-You Lin, Steve Reilly
Jun 4, 2002·Nutritional Neuroscience·Giuseppe Scalera
Jan 18, 2006·Pharmacology, Biochemistry, and Behavior·Karen A PescatoreAnthony L Riley
Mar 4, 2003·Journal of Neurophysiology·Nathan A CrowderDouglas R W Wylie
Feb 24, 2001·Journal of the Experimental Analysis of Behavior·J W Donahoe, J E Burgos
Jul 12, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Andrés Molero-Chamizo, Guadalupe Nathzidy Rivera-Urbina
Nov 23, 2017·Frontiers in Molecular Neuroscience·Adonis Yiannakas, Kobi Rosenblum
Sep 2, 2017·Experimental Brain Research·Andrés Molero-Chamizo, Guadalupe Nathzidy Rivera-Urbina
Aug 31, 2021·Neuropharmacology·A A JaramilloD G Winder

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