Inhibitory gating of vibrissal inputs in the brainstem.

Inhibitory gating of vibrissal inputs in the brainstem. Research Abstract Details 

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Inhibitory gating of vibrissal inputs in the brainstem. Abstract Text:

Takahiro Furuta,Elena Timofeeva,Kouichi Nakamura,Keiko Okamoto-Furuta,Masaya Togo,Takeshi Kaneko,Martin Deschênes,

Trigeminal sensory nuclei are the first processing stage in the vibrissal system of rodents. They feature separate populations of thalamic projecting cells and a rich network of intersubnuclear connections, so that what is conveyed to the cortex by each of the ascending pathways of vibrissal information depends on local transactions that occur in the brainstem. In the present study, we examined the nature of these intersubnuclear connections by combining electrolytic lesions with electrophysiological recordings, retrograde labeling with in situ hybridization, and anterograde labeling with immunoelectron microscopy. Together, these different approaches provide conclusive evidence that the principal trigeminal nucleus receives inhibitory GABAergic projections from the caudal sector of the interpolaris subnucleus, and excitatory glutamatergic projections from the caudalis subnucleus. These results raise the possibility that, by controlling the activity of intersubnuclear projecting cells, brain regions that project to the spinal trigeminal nuclei may take an active part in selecting the type of vibrissal information that is conveyed through the lemniscal pathway.

Inhibitory gating of vibrissal inputs in the brainstem. Publishing Authors By Initials

T Furuta,E Timofeeva,K Nakamura,K Okamoto-Furuta,M Togo,T Kaneko,M Deschênes,

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Inhibitory gating of vibrissal inputs in the brainstem. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The Journal of neuroscience : the official journal

VOLUME: 28

Page Numbers: 1789-97

Journal Abbreviation: J. Neurosci.

ISSN: 1529-2401

DAY: 20

MONTH: Feb

YEAR: 2008

Inhibitory gating of vibrissal inputs in the brainstem. Information

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LANGUAGE: eng

NlmUniqueID: 8102140

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Grant and Affiliation Information for Inhibitory gating of vibrissal inputs in the brainstem.

AFFILIATION: Department of Morphological Brain Science, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan.

Country: United States

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MEDLINETA: J Neurosci

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