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Rubber hand illusion and affective touch: A systematic review
Högskolan i Skövde, Institutionen för biovetenskap.
2020 (engelsk)Independent thesis Basic level (degree of Bachelor), 15 poäng / 22,5 hpOppgave
Abstract [en]

The feeling of owning a body part is often investigated by conducting and manipulating the rubber hand illusion, a three-way integration of vision, touch, and proprioception. In the last decade, more research on the role of interoception, the sense of the body's’ internal state, in the illusion has been made. One of the studied factors has been the affective touch, a caress-like, gentle, touch that is performed at a slow specific speed (1-10 cm/sec). Affective touch activates the C tactile afferents which send interoceptive signals to the brain, specifically the insula. The present systematic review investigated the role affective touch has on the strength of the rubber hand illusion. A range of electronic databases was searched for papers reporting research findings published in English before March 20, 2020. Twelve different articles were identified, but only five papers met the inclusion criteria. This thesis looked at the results from these five different studies and compared the effect of affective touch and discriminative, regular, touch have on the rubber hand illusion to see whether there is a significant difference. The results could not show a main effect of stroking velocity, site of stimulation, or social touch, which are components of affective touch. The results was based on four different measurements, the subjective experience of the illusion, pleasantness ratings, proprioceptive drift, and temperature difference in the skin. Opposed what was hypothesized, it could not be demonstrated that affective touch would induce a stronger rubber hand illusion than discriminative touch.

sted, utgiver, år, opplag, sider
2020. , s. 36
Emneord [en]
Rubber hand illusion, affective touch, cognitive neuroscience, body ownership, interoception
HSV kategori
Identifikatorer
URN: urn:nbn:se:his:diva-18628OAI: oai:DiVA.org:his-18628DiVA, id: diva2:1447334
Fag / kurs
Cognitive Neuroscience
Utdanningsprogram
Cognitive Neuroscience - Applied Positive Psychology
Veileder
Examiner
Tilgjengelig fra: 2020-06-25 Laget: 2020-06-25 Sist oppdatert: 2020-06-25bibliografisk kontrollert

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