Open Access. Powered by Scholars. Published by Universities.®

Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Medical Sciences

Marquette University

Series

2012

Tastant stimuli

Articles 1 - 1 of 1

Full-Text Articles in Medicine and Health Sciences

Catecholamines In The Bed Nucleus Of The Stria Terminalis Reciprocally Respond To Reward And Aversion, Robert A. Wheeler Feb 2012

Catecholamines In The Bed Nucleus Of The Stria Terminalis Reciprocally Respond To Reward And Aversion, Robert A. Wheeler

Biomedical Sciences Faculty Research and Publications

Background

Traditionally, norepinephrine has been associated with stress responses, whereas dopamine has been associated with reward. Both of these catecholamines are found within the bed nucleus of the stria terminalis (BNST), a brain relay nucleus in the extended amygdala between cortical/limbic centers, and the hypothalamic-pituitary-adrenal axis. Despite this colocalization, little is known about subsecond catecholamine signaling in subregions of the BNST in response to salient stimuli.

Methods

Changes in extracellular catecholamine concentration in subregions of the BNST in response to salient stimuli were measured within the rat BNST with fast-scan cyclic voltammetry at carbon-fiber microelectrodes.

Results

A discrete subregional distribution …