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Social Touch Reduce...
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Savallampi, MattiasLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten
(författare)
Social Touch Reduces Pain Perception-An fMRI Study of Cortical Mechanisms
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
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2023-02-24
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MDPI,2023
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:liu-193035
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-193035URI
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https://doi.org/10.3390/brainsci13030393DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Funding Agencies|Haleon/GSK Consumer Healthcare Nyon, Switzerland; ALF, County of OEstergoetland; Swedish Brain Foundation
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Unmyelinated low-threshold mechanoreceptors (C-tactile, CT) in the human skin are important for signaling information about hedonic aspects of touch. We have previously reported that CT-targeted brush stroking by means of a robot reduces experimental mechanical pain. To improve the ecological validity of the stimulation, we developed standardized human-human touch gestures for signaling attention and calming. The attention gesture is characterized by tapping of the skin and is perceived as neither pleasant nor unpleasant, i.e., neutral. The calming gesture is characterized by slow stroking of the skin and is perceived as moderately to very pleasant. Furthermore, the attention (tapping) gesture is ineffective, whereas the calming (stroking) gesture is effective in activating CT-afferents. We conducted an fMRI study (n = 32) and capitalized on the previous development of touch gestures. We also developed an MR compatible stimulator for high-precision mechanical pain stimulation of the thenar region of the hand. Skin-to-skin touching (stroking or tapping) was applied and was followed by low and high pain. When the stroking gesture preceded pain, the pain was rated as less intense. When the tapping gesture preceded the pain, the pain was rated as more intense. Individual pain perception related to insula activation, but the activation was not higher for stroking than for tapping in any brain area during the stimulation period. However, during the evaluation period, stronger activation in the periaqueductal gray matter was observed after calming touch compared to after tapping touch. This finding invites speculation that human-human gentle skin stroking, effective in activating CT-afferents, reduced pain through neural processes involving CT-afferents and the descending pain pathway.
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Maallo, AnneLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten(Swepub:liu)annma83
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Shaikh, SumaiyaLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten(Swepub:liu)sumsh86
(författare)
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McGlone, FrancisLiverpool John Moores Univ, England
(författare)
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Bariguian-Revel, Frederique J.Haleon, Switzerland
(författare)
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Olausson, HåkanLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Region Östergötland, Neurofysiologiska kliniken US(Swepub:liu)hakol42
(författare)
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Böhme, RebeccaLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV(Swepub:liu)rebbo11
(författare)
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Linköpings universitetCentrum för social och affektiv neurovetenskap
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Sammanhörande titlar
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Ingår i:Brain Sciences: MDPI13:32076-3425
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