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  Thalamocortical Angular Tuning Domains within Individual Barrels of Rat Somatosensory Cortex

Bruno, R. M., Khatri, V., Land, P. W., & Simons, D. J. (2003). Thalamocortical Angular Tuning Domains within Individual Barrels of Rat Somatosensory Cortex. The Journal of Neuroscience, 23(29), 9565-9574. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/14573536.

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JNeurosci_23_2003_9565.pdf (Any fulltext), 508KB
 
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 Creators:
Bruno, Randy M.1, 2, Author              
Khatri, Vivek, Author
Land, Peter W., Author
Simons, Daniel J., Author
Affiliations:
1Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society, ou_1497701              
2Whisker Representation, Max Planck Institute for Medical Research, Max Planck Society, ou_1497747              

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Free keywords: minicolumn; somatosensory; whisker; local circuit; thalamocortical; barrel
 Abstract: In the rodent somatosensory cortex, whisker-related barrels in layer IV are morphological counterparts of functional cortical columns that extend throughout the cortical depth. We used microelectrode recordings and spike-triggered averaging of field potentials evoked by single thalamic barreloid neurons to investigate functional thalamocortical microcircuits. The function of such circuits was probed by deflecting the principal whisker of a barrel in different angular directions. We found that individual barrels contain minicolumns of neurons preferring the same deflection angle. Angular tuning domains are established by convergent inputs from thalamocortical cells with corresponding angular preferences. Processing within such domains may depend on local connectivity among vertically aligned barrel neurons.

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Language(s): eng - English
 Dates: 2003-06-052003-09-032003-10-222003-10-22
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: The Journal of Neuroscience
  Other : The Journal of Neuroscience: the Official Journal of the Society for Neuroscience
  Abbreviation : J. Neurosci.
Source Genre: Journal
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Publ. Info: Washington, DC : Society of Neuroscience
Pages: - Volume / Issue: 23 (29) Sequence Number: - Start / End Page: 9565 - 9574 Identifier: ISSN: 0270-6474
CoNE: https://pure.mpg.de/cone/journals/resource/954925502187_1