Being Moved by the Self and Others: Influence of Empathy on Self-Motion Perception

Lopez, Christophe; Falconer, Caroline J.; Mast, Fred W.

doi:10.1371/journal.pone.0048293

Cited by 27 publications

(23 citation statements)

References 88 publications

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“…Although we controlled for age, gender and education level, which all influence perspective taking [81,76,78], cultural factors [77], personality traits [25,53,78] or anxiety [82] can also play a significant role and may have introduced variability in the data. In addition, we did not perform a power analysis before we included participants; we were constrained by the number of patients with severe BVF, which is a rare condition.…”

Section: Discussionmentioning

confidence: 99%

“…Trials yielding incorrect answers were discarded from the analysis of the response times and we removed trials for which response times exceeded 2 standard deviations of the participant’s grand average. We focused on response times, shown to be more sensitive than accuracy to multisensory conflicts [51–53]. For the three tasks, response times were analyzed by repeated-measures ANOVAs with Statistica, Version12 SP3 (StatSoft Inc.), with Viewpoint (congruent vs incongruent) as a within-subject factor and with Group (BVF patients vs controls) and Gender (female vs male) as between-subject factors.…”

Section: Methodsmentioning

confidence: 99%

“…Main effects and interactions were considered significant at p<0.05. We also calculated a congruency effect (CE), adapted from the cross-modal CE used to investigate visual-tactile and visuo-vestibular conflicts [51–53]. For each of the three tasks, CE was calculated as the difference in response times between the incongruent and congruent viewpoints.…”

Section: Methodsmentioning

confidence: 99%

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Anchoring the Self to the Body in Bilateral Vestibular Failure

Deroualle

Toupet²,

Nechel

et al. 2017

PLoS ONE

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Recent findings suggest that vestibular information plays a significant role in anchoring the self to the body. Out-of-body experiences of neurological origin are frequently associated with vestibular sensations, and galvanic vestibular stimulation in healthy participants anchors the self to the body. Here, we provide the first objective measures of anchoring the self to the body in chronic bilateral vestibular failure (BVF). We compared 23 patients with idiopathic BVF to 23 healthy participants in a series of experiments addressing several aspects of visuo-spatial perspective taking and embodiment. In Experiment 1, participants were involved in a virtual “dot-counting task” from their own perspective or the perspective of a distant avatar, to measure implicit and explicit perspective taking, respectively. In both groups, response times increased similarly when the avatar’s and participant’s viewpoint differed, for both implicit and explicit perspective taking. In Experiment 2, participants named ambiguous letters (such as “b” or “q”) traced on their forehead that could be perceived from an internal or external perspective. The frequency of perceiving ambiguous letters from an internal perspective was similar in both groups. In Experiment 3, participants completed a questionnaire measuring the experienced self/body and self/environment “closeness”. Both groups reported a similar embodied experience. Altogether, our data show that idiopathic BVF does not change implicit and explicit perspective taking nor subjective anchoring of the self to the body. Our negative findings offer insight into the multisensory mechanisms of embodiment. Only acute peripheral vestibular disorders and neurological disorders in vestibular brain areas (characterized by strong multisensory conflicts) may evoke disembodied experiences.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Anchoring the Self to the Body in Bilateral Vestibular Failure

Deroualle

Toupet²,

Nechel

et al. 2017

PLoS ONE

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“…Recent data suggest that emotions [120 && ] and social context [121,122] impact on vestibular processing. For example, participants exposed to negative images detected better passive whole-body rotations [120 && ].…”

Section: Affective Modulation Of Vestibular Processingmentioning

confidence: 99%

The vestibular system

Lopez

2016

Current Opinion in Neurology

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104

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In addition to 'balancing the body', the vestibular cortical network contributes to modulate space, body and self-awareness. Emerging evidence suggests that the vestibular network expands into dimensions of emotion processing, mental health, and social cognition. Here, the importance of connecting vestibular physiology, affective neuroscience, and social neuroscience to better understand the psychological aspects of vertigo in otoneurology is discussed.

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“…Actualmente se ha descrito que el sistema vestibular estaría involucrado en la navegación espacial y memoria 2 , percepción de la verticalidad 3 , desarrollo cognitivo en niños 4 , procesamiento visual relacionado con claves gravitatorias, conciencia de la autopercepción corporal 6 , toma de decisiones 7 e incluso se han reportado que la percepción del automovimiento estaría modulada por la observación del propio cuerpo en movimiento (a lo cual un grupo de investigadores ha denominado ''sistema de neuronas espejo vestibular'') 8 . Clásicamente la estimulación del sistema vestibular se ha realizado mediante la prueba calórica bitermal.…”

Section: Introductionunclassified