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The role of visual perspective on self-touch perception: An exploratory study of somatosensory attenuation
University of Skövde, School of Bioscience.
2021 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Whenever you touch yourself, that touch feels distinctly different from when someone else touches you. In particular, self-generated touch is perceived as less intense. This is a phenomenon called somatosensory attenuation. Touch to the self, regardless of self- or other generated, is perceived through a first-person perspective, whereas touch to other is perceived through a third-person perspective. The present study aimed to explore how self-touch is perceived when the self is observed through other perspectives. Here it was found that self-touch in a mirror and third-person perspective lowers the sense of ownership of the observed hand, as well as the agency of the touch. In particular, the sense of ownership and agency were lower in the third-person perspective relative to mirror perspective. Further, no qualitative differences in touch perception were observed across the three perspectives. There was no relationship between the sense of ownership and agency, and these qualitative differences. Lastly, there were no correlations between either of these experimental aspects (ownership, agency, qualitative) and autism traits and self-reported interoceptive abilities. The present study extends the knowledge and understanding of self-touch, and how visual perspective influences. The present study also highlights areas of applications, such as immersive virtual reality and clinical research.

Place, publisher, year, edition, pages
2021. , p. 53
Keywords [en]
Visual perspective, self-touch, touch perception, attenuation
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:his:diva-19850OAI: oai:DiVA.org:his-19850DiVA, id: diva2:1567535
External cooperation
Linköpings Universitet
Subject / course
Cognitive Neuroscience
Educational program
Kognitiv neurovetenskap: Medvetandet och hjärnan - magisterprogram
Supervisors
Examiners
Available from: 2021-06-16 Created: 2021-06-16 Last updated: 2021-06-16Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • apa-cv
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf