Multisensory integration across exteroceptive and interoceptive domains modulates self-experience in the rubber-hand illusion

Identifying with a body is central to being a conscious self. The now classic “rubber hand illusion” demonstrates that the experience of body-ownership can be modulated by manipulating the timing of exteroceptive (visual and tactile) body-related feedback. Moreover, the strength of this modulation i...

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Vydáno v:Neuropsychologia Ročník 51; číslo 13; s. 2909 - 2917
Hlavní autoři: Suzuki, Keisuke, Garfinkel, Sarah N., Critchley, Hugo D., Seth, Anil K.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Kidlington Elsevier Ltd 01.11.2013
Elsevier
Témata:
Adolescent
Adult
Analysis of Variance
Augmented reality
Biological and medical sciences
Body Image
Experience of body ownership
Feedback, Physiological - physiology
Female
Functional Laterality
Fundamental and applied biological sciences. Psychology
Heart Rate - physiology
Humans
Illusions - physiology
Illusions - psychology
Interoception
Male
Multimodal perception
Multisensory integration
Perception
Predictive coding
Proprioception
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Rubber hand illusion
Self Concept
Surveys and Questionnaires
Touch Perception - physiology
Visual Perception - physiology
Young Adult
Predictive coding
Rubber hand illusion
Multisensory integration
Interoception
Experience of body ownership
Augmented reality
Human
Self-consciousness
Information integration
Perceptual illusion
Prediction
Cognition
Experimental study
Tactile sensitivity
Coding
Vision
Body experience
Perception
Intermodal perception
ISSN:0028-3932, 1873-3514, 1873-3514
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Shrnutí:Identifying with a body is central to being a conscious self. The now classic “rubber hand illusion” demonstrates that the experience of body-ownership can be modulated by manipulating the timing of exteroceptive (visual and tactile) body-related feedback. Moreover, the strength of this modulation is related to individual differences in sensitivity to internal bodily signals (interoception). However the interaction of exteroceptive and interoceptive signals in determining the experience of body-ownership within an individual remains poorly understood. Here, we demonstrate that this depends on the online integration of exteroceptive and interoceptive signals by implementing an innovative “cardiac rubber hand illusion” that combined computer-generated augmented-reality with feedback of interoceptive (cardiac) information. We show that both subjective and objective measures of virtual-hand ownership are enhanced by cardio-visual feedback in-time with the actual heartbeat, as compared to asynchronous feedback. We further show that these measures correlate with individual differences in interoceptive sensitivity, and are also modulated by the integration of proprioceptive signals instantiated using real-time visual remapping of finger movements to the virtual hand. Our results demonstrate that interoceptive signals directly influence the experience of body ownership via multisensory integration, and they lend support to models of conscious selfhood based on interoceptive predictive coding. •Multisensory integration of visual and cardiac signals influences body ownership.•We combine augmented reality with “cardio-visual” feedback.•Subjective and objective ownership measures are enhanced by cardio-visual synchrony.•Influence of feedback on ownership depends on individual interoceptive sensitivity.•Results support self-models based on interoceptive predictive coding.
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ISSN:0028-3932
1873-3514
1873-3514
DOI:10.1016/j.neuropsychologia.2013.08.014