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Reduced low-voltage activated K+ conductances and enhanced central excitability in a congenitally deaf (dn/dn) mouse

Leao, Richardson; Berntson Eichner, Amy; Forsythe, Ian D; Walmsley, Bruce

Description

We have investigated changes in the neuronal excitability of the auditory brainstem in a congenitally deaf mouse (deafness dn/dn). Whole cell patch recordings from principal neurones of the medial nucleus of the trapezoid body (MNTB) showed strikingly enhanced excitability in the deaf mice when compared to control CBA mice at 12-14 days postnatal. MNTB neurones in normal CBA mice showed the phenotypic single action potential response on depolarization in current clamp; however, recordings from...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/81052
Source: Journal of Physiology
DOI: 10.1113/jphysiol.2004.067421

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