Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.

Affective sharing is a bottom-up process involving automatic processing of sensory inputs that facilitate vicarious experience of another's emotional state. It is grounded directly in the prior experiences of the perceiver. In adults, vicarious ratings of affective touch match the known velocit...

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Autores principales:	Connor J Haggarty, Paula D Trotter, Francis McGlone, Susannah C Walker
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8b30f497017248b1960ca8c8b2ad9eee
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spelling	oai:doaj.org-article:8b30f497017248b1960ca8c8b2ad9eee2021-12-02T20:17:32ZChildren's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.1932-620310.1371/journal.pone.0256303https://doaj.org/article/8b30f497017248b1960ca8c8b2ad9eee2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256303https://doaj.org/toc/1932-6203Affective sharing is a bottom-up process involving automatic processing of sensory inputs that facilitate vicarious experience of another's emotional state. It is grounded directly in the prior experiences of the perceiver. In adults, vicarious ratings of affective touch match the known velocity tuning and hypothesised anatomical distribution of C-tactile afferents (CT), a subclass of C-fibre which respond preferentially to low force/velocity stroking touch, typically perceived as pleasant. Given the centrality of touch to early nurturing interactions, here we examined whether primary school aged children's vicarious ratings of affective touch show the same anatomical and velocity specific patterns reported in adults. Forty-four children aged between 8 and 11 (mean age 9, 24 male) rated a sequence of video clips depicting one individual being touched by another on 5 different upper-body sites (palm, dorsal forearm, ventral forearm, upper-arm and back) at 3 different velocities (static, CT optimal, slow stroking and non-CT optimal, fast stroking). Immediately after viewing each clip, participants were asked to rate how pleasant they perceived the touch to be. While children rated the CT optimal velocity significantly higher than static or non-CT optimal touch, unlike adults their ratings did not vary across skin sites. This difference may reflect the fact children's ratings are grounded in bottom-up affective resonance while adults also draw on top-down cognitive evaluation of the broader social context when rating the stimuli.Connor J HaggartyPaula D TrotterFrancis McGloneSusannah C WalkerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256303 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Connor J Haggarty Paula D Trotter Francis McGlone Susannah C Walker Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
description	Affective sharing is a bottom-up process involving automatic processing of sensory inputs that facilitate vicarious experience of another's emotional state. It is grounded directly in the prior experiences of the perceiver. In adults, vicarious ratings of affective touch match the known velocity tuning and hypothesised anatomical distribution of C-tactile afferents (CT), a subclass of C-fibre which respond preferentially to low force/velocity stroking touch, typically perceived as pleasant. Given the centrality of touch to early nurturing interactions, here we examined whether primary school aged children's vicarious ratings of affective touch show the same anatomical and velocity specific patterns reported in adults. Forty-four children aged between 8 and 11 (mean age 9, 24 male) rated a sequence of video clips depicting one individual being touched by another on 5 different upper-body sites (palm, dorsal forearm, ventral forearm, upper-arm and back) at 3 different velocities (static, CT optimal, slow stroking and non-CT optimal, fast stroking). Immediately after viewing each clip, participants were asked to rate how pleasant they perceived the touch to be. While children rated the CT optimal velocity significantly higher than static or non-CT optimal touch, unlike adults their ratings did not vary across skin sites. This difference may reflect the fact children's ratings are grounded in bottom-up affective resonance while adults also draw on top-down cognitive evaluation of the broader social context when rating the stimuli.
format	article
author	Connor J Haggarty Paula D Trotter Francis McGlone Susannah C Walker
author_facet	Connor J Haggarty Paula D Trotter Francis McGlone Susannah C Walker
author_sort	Connor J Haggarty
title	Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
title_short	Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
title_full	Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
title_fullStr	Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
title_full_unstemmed	Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
title_sort	children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/8b30f497017248b1960ca8c8b2ad9eee
work_keys_str_mv	AT connorjhaggarty childrensvicariousratingsofsocialtoucharetunedtothevelocitybutnotthelocationofacaress AT pauladtrotter childrensvicariousratingsofsocialtoucharetunedtothevelocitybutnotthelocationofacaress AT francismcglone childrensvicariousratingsofsocialtoucharetunedtothevelocitybutnotthelocationofacaress AT susannahcwalker childrensvicariousratingsofsocialtoucharetunedtothevelocitybutnotthelocationofacaress
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Children's vicarious ratings of social touch are tuned to the velocity but not the location of a caress.

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