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Empirically inspired simulated electro-mechanical model of the rat mystacial follicle-sinus complex

Mitchinson, B., Gurney, K.N., Redgrave, P., Melhuish, C., Pipe, A.G., Pearson, M., Gilhespy, I. and Prescott, T.J. (2004) Empirically inspired simulated electro-mechanical model of the rat mystacial follicle-sinus complex. Proceedings of the Royal Society Series B: Biological Sciences, 271 (1556). pp. 2509-2516. ISSN 1471-2954

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Abstract

In whiskered animals, activity is evoked in the primary sensory afferent cells (trigeminal nerve) by mechanical stimulation of the whiskers. In some cell populations this activity is correlated well with continuous stimulus parameters such as whisker deflection magnitude, but in others it is observed to represent events such as whisker-stimulator contact or detachment. The transduction process is mediated by the mechanics of the whisker shaft and follicle-sinus complex (FSC), and the mechanics and electro-chemistry of mechanoreceptors within the FSC. An understanding of this transduction process and the nature of the primary neural codes generated is crucial for understanding more central sensory processing in the thalamus and cortex. However, the details of the peripheral processing are currently poorly understood. To overcome this deficiency in our knowledge, we constructed a simulated electro-mechanical model of the whisker-FSC-mechanoreceptor system in the rat and tested it against a variety of data drawn from the literature. The agreement was good enough to suggest that the model captures many of the key features of the peripheral whisker system in the rat.

Item Type: Article
Copyright, Publisher and Additional Information: © 2004 The Royal Society
Keywords: whisker, follicle, model, mystacial, trigeminal, rat
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > Department of Psychology (Sheffield)
Depositing User: Repository Officer
Date Deposited: 21 Jun 2005
Last Modified: 08 Jun 2014 07:44
Published Version: http://www.journals.royalsoc.ac.uk/openurl.asp?gen...
Status: Published
Refereed: No
Identification Number: 10.1098/rspb.2004.2882
URI: http://eprints.whiterose.ac.uk/id/eprint/462

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