Unmyelinated tactile afferents underpin detection of low‐force monofilaments
Abstract
Human hairy but not glabrous skin has unmyelinated (C) tactile (CT) afferents that project to insular cortex. We studied two subjects with the rare sensory neuronopathy syndrome who lack A-beta fibers but have relatively preserved C-fiber function. Weak monofilaments were detected on hairy skin alone. Hence, the ability to detect light touch does not depend entirely on the A-beta somatosensory system; CT afferents may contribute to the detection of weak monofilaments.
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Recent evidence has shown that C-tactile fibers are likely to contribute to tactile sensibility.
“However, recent evidence has shown that C-tactile fibers are likely to contribute to tactile sensibility (Cole et al. 2006)”
From Tactile innervation densities across the whole body (2020) · cites this paper as Cole et al. 2006
Cites
Unmyelinated afferents constitute a second system coding tactile stimuli of the human hairy skin
Vallbo, Å. B., Olausson, H., & Wessberg, J. (1999) · Journal of Neurophysiology · doi:10.1152/jn.1999.81.6.2753 · Cited by 571 · see citing works
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Discriminative and affective touch: Sensing and feeling.
McGlone, F., Wessberg, J., & Olausson, H. (2014) · Neuron · doi:10.1016/j.neuron.2014.05.001 · Cited by 1,112 · see citing works
Self-citationTwo systems of resting state connectivity between the insula and cingulate cortex
Taylor, K. S., Seminowicz, D. A., & Davis, K. D. (2009) · Human Brain Mapping · doi:10.1002/hbm.20705 · Cited by 665 · see citing works
The neurophysiology of unmyelinated tactile afferents
Olausson, H., Wessberg, J., Morrison, I., McGlone, F., & Vallbo, Å. (2010) · Neuroscience & Biobehavioral Reviews · doi:10.1016/j.neubiorev.2008.09.011 · Cited by 587 · see citing works
Self-citationTactile innervation densities across the whole body
Corniani, G., & Saal, H. P. (2020) · Journal of Neurophysiology · doi:10.1152/jn.00313.2020 · Cited by 396 · see citing works
- Authors
- Cole, J., Bushnell, M. C., McGlone, F., Elam, M., Lamarre, Y., Vallbo, Å., & Olausson, H.
- Affiliations
- Poole Hospital (GB)
- McGill University (CA)
- University of Liverpool (GB)
- University of Gothenburg (SE)
- Université de Montréal (CA)
- Corresponding author
- Olausson, Håkan
- Venue
- Muscle & Nerve
- Publisher
- Wiley
- Published
- 2006-03-03
- Volume
- 34
- Issue
- 1
- Pages
- 105-107
- ISSN
- 0148-639X (ISSN-L)
- 1097-4598
- OpenAlex
- W2002522691
- Cited by
- 77
- References
- 1
- Citations by year
- 2026: 3 · 2025: 1 · 2024: 3 · 2021: 4 · 2020: 8 · 2019: 8 · 2018: 3 · 2017: 3 · 2016: 6 · 2015: 3 · 2014: 6 · 2013: 5 · 2012: 6
- FWCI
- 2.75
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Muscle & Nerve (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
- Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
- Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
- Keywords
- tactile afferents, light touch, hairy skin, glabrous skin, sensory neuronopathy, Aβ fibers, insula, somatosensory perception
- MeSH terms
- Adult, Afferent Pathways, Female, Humans, Male, Middle Aged, Nerve Fibers, Myelinated, Peripheral Nervous System Diseases, Physical Stimulation, Psychophysics, Sensory Thresholds, Skin, Touch
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