Seeing the body produces limb-specific modulation of skin temperature

Sadibolova, Renata; Longo, Matthew R.

doi:10.1098/rsbl.2014.0157

Cited by 19 publications

(11 citation statements)

References 23 publications

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“…This might suggest that the thermoregulation was only affected for body parts, which were actually seen during the multisensory stimulation. Such a hypothesis is in line with limb‐specific modulation of skin temperature during vision of (Sadibolova & Longo, ) or attention to (Patrizi, ) certain body parts. Alternatively, hand–neck differences could be related to the physiological response pattern of body temperature regulation – body temperature drops first in the periphery to conserve the temperature of life‐supporting central organs.…”

Section: Discussionsupporting

confidence: 61%

Binding body and self in visuo‐vestibular conflicts

Macauda

Bertolini

Palla

et al. 2014

Eur J of Neuroscience

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Maintenance of the bodily self relies on the accurate integration of multisensory inputs in which visuo-vestibular cue integration is thought to play an essential role. Here, we tested in healthy volunteers how conflicting visuo-vestibular bodily input might impact on body self-coherence in a full body illusion set-up. Natural passive vestibular stimulation was provided on a motion platform, while visual input was manipulated using virtual reality equipment. Explicit (questionnaire) and implicit (skin temperature) measures were employed to assess illusory self-identification with either a mannequin or a control object. Questionnaire results pointed to a relatively small illusion, but hand skin temperature, plausibly an index of illusory body ownership, showed the predicted drop specifically in the condition when participants saw the mannequin moving in congruence with them. We argue that this implicit measure was accessible to visuo-vestibular modulation of the sense of self, possibly mediated by shared neural processes in the insula involved in vestibular and interoceptive signalling, thermoregulation and multisensory integration. ABSTRACTMaintenance of the bodily self relies on the accurate integration of multisensory inputs wherebyvisuo-vestibular cue integration is thought to play an essential role.Here, we tested in healthy volunteers how conflicting visuo-vestibular bodily input might impact on body-self coherence in a full body illusion set-up. Natural passive vestibular stimulation was provided on a motion platform, while visual input was manipulated using virtual reality equipment.Explicit (questionnaire) and implicit (skin temperature) measures were employed to assessillusoryself-identification with either a mannequin or a control object. Questionnaire results pointed to a relatively small illusion,but thehand skin temperature, plausibly an index of illusory body ownership,showed the predicted drop specificallyin the condition when participants saw the mannequin moving in congruence with them. We argue that this implicit measure was accessible to visuo-vestibular modulation of the sense of self, possibly mediated by shared neural processes in the insula involved in vestibular and interoceptive signaling, thermoregulation and multisensory integration.3

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Section: Discussionsupporting

confidence: 61%

Binding body and self in visuo‐vestibular conflicts

Macauda

Bertolini

Palla

et al. 2014

Eur J of Neuroscience

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“…It should be noted however that the effects of changes in finger temperature are controversial both as an indicator of fear / anxiety responses (Marazziti,Di Muro & Uncomfortably Numb 32 Castrogiovanni, 1992), and in relation to the rubber-hand illusion and other body-based illusions (Hohwy & Paton, 2010;Paton et al, 2012; see also Sadibolova & Longo, 2014); which suggests a lack of reliability with such measures. Moreover, the precise biological and neuronal underpinnings of how psychological stress can regulate the areas mediating body temperature regulation are still unknown (Oka, 2015).…”

Section: Discussionmentioning

confidence: 99%

Uncomfortably numb: new evidence for suppressed emotional reactivity in response to body-threats in those predisposed to sub-clinical dissociative experiences

Dewe

Watson

Braithwaite

2016

Cognitive Neuropsychiatry

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“…Moseley et al (2008) provided evidence that the experience of ownership during RHI is also accompanied by significant changes in the homeostatic regulation of the real hand, beyond changes in the subjective experience of one’s body. In particular, skin temperature of the real hand decreased if and when participants experienced the RHI (but see also Kammers, Rose, & Haggard, 2011; Sadibolova & Longo, 2014). Additionally, the magnitude of the decrease in skin temperature on the participant’s own hand was positively correlated with the vividness of the illusion.…”

Section: The Exteroceptive Model Of the Bodily Selfmentioning

confidence: 99%

The multisensory basis of the self: From body to identity to others

Tsakiris

2017

Quarterly Journal of Experimental Psychology

312

309

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By grounding the self in the body, experimental psychology has taken the body as the starting point for a science of the self. One fundamental dimension of the bodily self is the sense of body ownership that refers to the special perceptual status of one’s own body, the feeling that “my body” belongs to me. The primary aim of this review article is to highlight recent advances in the study of body ownership and our understanding of the underlying neurocognitive processes in three ways. I first consider how the sense of body ownership has been investigated and elucidated in the context of multisensory integration. Beyond exteroception, recent studies have considered how this exteroceptively driven sense of body ownership can be linked to the other side of embodiment, that of the unobservable, yet felt, interoceptive body, suggesting that these two sides of embodiment interact to provide a unifying bodily self. Lastly, the multisensorial understanding of the self has been shown to have implications for our understanding of social relationships, especially in the context of self–other boundaries. Taken together, these three research strands motivate a unified model of the self inspired by current predictive coding models.

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Seeing the body produces limb-specific modulation of skin temperature

Cited by 19 publications

References 23 publications

Binding body and self in visuo‐vestibular conflicts

Binding body and self in visuo‐vestibular conflicts

Uncomfortably numb: new evidence for suppressed emotional reactivity in response to body-threats in those predisposed to sub-clinical dissociative experiences

The multisensory basis of the self: From body to identity to others

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