Topographic organization of cardiovascular responses to electrical and glutamate microstimulation of the parabrachial nucleus in the rat.

Abstract

We examined the functional organization of the parabrachial complex (PB) by mapping the cardiovascular and respiratory responses to PB microstimulation in anesthetized rats. The PB was explored with 100 microns resolution, at threshold doses of electrical current (5 microA) and glutamate (10-500 pmols), and the locations of stimulation sites were identified… (More)

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