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Feeling good: on the role of C fiber mediated touch in interoception.
Institute for Neuroscience and Physiology, University of Gothenburg, Göteborg, Sweden.
Institute for Neuroscience and Physiology, University of Gothenburg, Göteborg, Sweden.
Institute for Neuroscience and Physiology, University of Gothenburg, Göteborg, Sweden.
2010 (English)In: Experimental Brain Research, ISSN 0014-4819, E-ISSN 1432-1106, Vol. 207, no 3, 149-155 p.Article in journal (Refereed) Published
Abstract [en]

The human skin is innervated by a network of thin, slow-conducting afferent (C and Aδ) fibers, transmitting a diverse range of information. Classically, these fibers are described as thermo-, noci- or chemoreceptive, whereas mechanoreception is attributed exclusively to thick, fast-conducting (Aβ) afferents. A growing body of evidence, however, supports the notion that C tactile afferents comprise a second anatomically and functionally distinct system signaling touch in humans. This review discusses established as well as recent findings which highlight fundamental differences in peripheral and central information coding and processing between Aβ and C mechanoreception. We conclude that from the skin through the brain, C touch shares more characteristics with interoceptive modalities (e.g. pain, temperature, and itch) than exteroceptive Aβ touch, vision or hearing. In this light, we discuss the motivational-affective role of C touch as an integral part of a thin-fiber afferent homeostatic network for the maintenance of physical and social well-being.

Place, publisher, year, edition, pages
Springer, 2010. Vol. 207, no 3, 149-155 p.
Keyword [en]
C fiber; Touch; Interoception
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:liu:diva-126213DOI: 10.1007/s00221-010-2408-yISI: 000284365000001PubMedID: 20963582OAI: oai:DiVA.org:liu-126213DiVA: diva2:912992
Available from: 2016-03-18 Created: 2016-03-18 Last updated: 2016-04-06Bibliographically approved

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Björnsdotter, Malin
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