Multisensory integration and age-dependent sensitivity to body representation modification induced by the rubber hand illusion

Kállai, János; Kincses, Péter; Lábadi, Beatrix; Dorn, Krisztina; Szolcsányi, Tibor; Darnai, Gergely; Hupuczi, Ernő; Janszky, József; Csathó, Árpád

doi:10.1007/s10339-017-0827-4

Cited by 19 publications

(21 citation statements)

References 72 publications

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“…The authors found a decreased subjective feeling of ownership and a greater proprioceptive drift with increasing age. Similar results were shared by another study using the classical RHI paradigm [ 14 ], in which the subjective feeling of ownership decreased with age while proprioceptive drift remained stable. Neither study, however, systematically addressed the three main stages of adult life, i.e., youth, middle age, and older adulthood.…”

Section: Introductionsupporting

confidence: 85%

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Age-related changes in the sense of body ownership: New insights from the rubber hand illusion

et al. 2018

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How do age-related changes affect the sense of body ownership? This study tackles this issue by means of the rubber hand illusion (RHI), a widely used experimental tool for investigating the sense of body ownership. There is ample literature on the RHI in young populations, but research on age-related changes in the RHI is still scarce. Here we extend the use of the RHI to examine the changes in the sense of body ownership related to healthy aging. Subjective reports (i.e., questionnaire) and proprioceptive drift were compared among young (n = 22, age range 20–22 years), middle-aged (n = 22, age range 44–55 years), and older adults (n = 22, age range 60–72 years). A stronger subjective experience of illusion was observed in the young and older adults as compared to the middle-aged. No differences in proprioceptive drift were found between the three groups. These findings are discussed in relation to: 1) different stages of development of perceptual and cognitive components of the sense of body ownership, and 2) compensatory mechanisms.

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Section: Introductionsupporting

confidence: 85%

“…Three recent studies tried to tackle the issue of age-related changes in the RHI [ 13 , 14 , 15 ]. Graham and colleague [ 13 ] used a modified version of the classical RHI paradigm (i.e., the projected RHI) in a sample aged between 20 and 60 years old.…”

Section: Introductionmentioning

confidence: 99%

Age-related changes in the sense of body ownership: New insights from the rubber hand illusion

et al. 2018

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“…Specifically, the hand might not have a high emotional salience, whereas previous studies considered body parts that are among the most unsatisfying in both obesity and healthy weight, such as the abdomen, the thigh, and the buttocks. Finally, it must be noted that Mölbert and colleagues’ (2016) work focused on children and adolescents, whose body representation is still under development and, thus, particularly malleable and unstable (Bremner et al, 2013; Kállai et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

The self-perceived body size in obesity: Evidence from the implicit representation of the hand

Tagini

Scarpina

Scacchi

et al. 2021

Quarterly Journal of Experimental Psychology

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To locate our body in the space, we rely on an implicit representation of body size and shape: the body model. Evidence about the implicit representation of bodily dimensions in obesity is rare. Nevertheless, it seems to suggest that such representation is not altered in obesity compared to healthy weight individuals. To probe further this hypothesis, we investigated the implicit representation of hand dimensions with a landmark localisation task, comparing individuals with obesity and healthy weight individuals. Furthermore, as body model distortions may be related to tactile acuity, the tactile acuity threshold was measured using a two-point discrimination task. In accordance with the previous evidence, we observed that healthy weight participants showed a significant underestimation of finger length and overestimation of hand width. Interestingly, comparable body model distortions were shown also in participants with obesity. No differences in tactile acuity emerged between the two groups; also, when considering the whole sample, as tactile acuity decreases hand width overestimation increases. Thus, obesity seems to have no effect on the characteristics of the body model relative to the hand. Accordingly, the physiological mechanisms supporting the development of the implicit representation of hand dimensions in the healthy weight population may be preserved in obesity.

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“…Some experimental studies using the “rubber hand illusion” (RHI) (i.e., the prototypical paradigm of the class of bodily illusions, full-body illusion included 23 ) have reported that children show a larger proprioceptive drift toward the fake hand in comparisons with young adults, 24 , 25 but this difference is not mirrored in their explicit feeling of ownership. 24 Kállai et al 26 recently found that old participants (mean age: 65.9 years old) reported less vivid ownership toward the rubber hand compared with younger participants (mean age: 27.7 years old).…”

Section: Discussionmentioning

confidence: 99%

The Role of Age on Multisensory Bodily Experience: An Experimental Study with a Virtual Reality Full-Body Illusion

Serino

Scarpina

Dakanalis

et al. 2018

Cyberpsychology, Behavior, and Social Networking

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A growing body of evidence demonstrated that it is feasible to induce ownership over an artificial body to alter bodily experience. However, several uncharted aspects about full-body illusion applications need to be tackled before a complete exploitation of these methods in clinical practice. This work is devoted to explore possible individual age-related differences in shaping changes in body representations induced with a full-body illusion. A total of 40 women were divided into two different age groups according to the median of the variable age. Participants estimated the width of three different body parts (i.e., shoulders, abdomen, and hips) before the entire illusion was induced (baseline), and after the synchronous and the asynchronous conditions. Results revealed that 26-to-55-year-old participants were more resistant to changes induced by the bodily illusion, whereas 19-to-25-year-old participants underestimated their bodies after both conditions. The findings were discussed in terms of the literature exploring age differences in responses to bodily illusion, which could suggest a Bayesian mechanism underlying these individual differences.

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Multisensory integration and age-dependent sensitivity to body representation modification induced by the rubber hand illusion

Cited by 19 publications

References 72 publications

Age-related changes in the sense of body ownership: New insights from the rubber hand illusion

Age-related changes in the sense of body ownership: New insights from the rubber hand illusion

The self-perceived body size in obesity: Evidence from the implicit representation of the hand

The Role of Age on Multisensory Bodily Experience: An Experimental Study with a Virtual Reality Full-Body Illusion

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