Audiomotor interaction induced by mental imagery
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RESEARCH ARTICLE
Audiomotor interaction induced by mental imagery M. Nooristani1 · K. Moïn‑Darbari1 · S. Pagé1 · B. A. Bacon2 · F. Champoux1 Received: 22 May 2020 / Accepted: 11 August 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Mental imagery can induce audiovisual integration, but whether it can induce interactions in other modalities remains uncertain. It has been demonstrated that audiomotor interaction can be generated following training, but whether such audiomotor interaction can be induced by auditory imagery training remains unknown. The present study aims at determining whether auditory mental imagery could induce a multimodal association with postural control. We examined static postural control in the presence of a frequency-modulated sound in three groups of participants, prior to and following a short period of training designed to create an association between auditory mental imagery of sounds and postural swaying. Results suggest that mental imagery impacted performance, as a significant decrease in postural control was observed in the experimental group following mental imagery training. Results of the control groups confirmed that the effect of mental imagery was not due to response bias, but to a significant multimodal interaction following training. These findings are in accordance with previous studies suggesting that mental imagery stimuli can interact with perceptual stimuli of a different sensory modality and lead to multisensory integration. The results also confirm that audiomotor interaction can be generated a mental imagery training. However, the full extent of mental imagery influence on multimodal interaction remains to be determined. Keywords Mental imagery · Multisensory integration · Postural control · Perception
Introduction Mental imagery, namely the internal representation of sensory percepts in the absence of external stimulation, can lead to multisensory integration. Indeed, Berger and Ehrsson (2013, 2017) have shown in a series of experiments that mental imagery stimuli from one sensory modality can interact with perceptual stimuli of a different sensory modality, and impact perception. These studies have shown, using modified well-known audiovisual illusions (crossbounce illusion, ventriloquism illusion, McGurk illusion), that auditory and visual mental imagery can lead to multisensory integration; an imagined sound can affect visual perception and visual imagery can affect sound localization. Communicated by Francesco Lacquaniti. * M. Nooristani [email protected] 1
Faculté de Médicine, École d’Orthophonie et d’Audiologie, Université de Montréal, C.P. 6128, Succursale Centre‑Ville, Montréal, Québec H3C 3J7, Canada
Department of Psychology, Carleton University, Ottawa, ON, Canada
2
Furthermore, Berger and Ehrsson (2017) demonstrated that the integration of imagined stimuli with perceptual stimuli involves the same neural network as the multisensory integration of perceptual stimuli. Interestingly, recent evidence demon
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