Sensory augmentation: integration of an auditory compass signal into human perception of space
Open accessAbstract
Bio-mimetic approaches to restoring sensory function show great promise in that they rapidly produce perceptual experience, but have the disadvantage of being invasive. In contrast, sensory substitution approaches are non-invasive, but may lead to cognitive rather than perceptual experience. Here we introduce a new non-invasive approach that leads to fast and truly perceptual experience like bio-mimetic techniques. Instead of building on existing circuits at the neural level as done in bio-mimetics, we piggy-back on sensorimotor contingencies at the stimulus level. We convey head orientation to geomagnetic North, a reliable spatial relation not normally sensed by humans, by mimicking sensorimotor contingencies of distal sounds via head-related transfer functions. We demonstrate rapid and long-lasting integration into the perception of self-rotation. Short training with amplified or reduced rotation gain in the magnetic signal can expand or compress the perceived extent of vestibular self-rotation, even with the magnetic signal absent in the test. We argue that it is the reliability of the magnetic signal that allows vestibular spatial recalibration, and the coding scheme mimicking sensorimotor contingencies of distal sounds that permits fast integration. Hence we propose that contingency-mimetic feedback has great potential for creating sensory augmentation devices that achieve fast and genuinely perceptual experiences.
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Human direction hearing is a naturally integrated sense requiring less training to perceive spatial information accurately.
“In contrast, human direction hearing is a naturally integrated sense requiring less training to perceive spatial information accurately [17–19].”
From An investigation into the effectiveness of using acoustic touch to assist people who are blind (2023) · cites this paper as [18]
The Discussion (page not available) says the auditory compass can interface with existing spatial processes through natural auditory localization, and reports that most participants immediately perceived its sound as coming from a stable direction. Experiment 2 reports accurate use after 25 minutes of training. The paper does not establish the broader claim that human direction hearing generally requires less training to perceive spatial information accurately. (LLM, conf=0.82)
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An investigation into the effectiveness of using acoustic touch to assist people who are blind
Zhu, H. Y., Hossain, S. N., Jin, C., Singh, A. K., Nguyen, M. T. D., Deverell, L., Nguyen, V., Gates, F. S., Fernandez, I. G., Melencio, M. V., et al. (2023) · PLoS ONE · doi:10.1371/journal.pone.0290431 · Cited by 16 · see citing works
- Authors
- Schumann, F., & O’Regan, J. K.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Corresponding author
- Schumann, Frank
- ORCID
- Schumann, Frank
- Venue
- Scientific Reports
- Published
- 2017-02-14
- Volume
- 7
- Issue
- 1
- Pages
- 42197-42197
- ISSN
- 2045-2322 (ISSN-L)
- PMC
- PMC5307328
- OpenAlex
- W2589035303
- Cited by
- 25
- References
- 20
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 4 · 2021: 5 · 2020: 1 · 2019: 1 · 2018: 4
- FWCI
- 0.94
- Type
- journal article
- Language
- en
- Update notices
- Open access
- gold
- doi.org
- Locations
- Scientific Reports (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Edinburgh Research Explorer (University of Edinburgh) (publishedVersion, cc-by)
- Funders
- Université Paris Descartes
- FP7 Ideas: European Research Council (323674)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
- Physical Sciences › Computer Science › Human-Computer Interaction › Virtual Reality Applications and Impacts
- Keywords
- sensory augmentation, sensorimotor contingencies, head-related transfer functions, perceptual integration
- MeSH terms
- Adult, Auditory Perception, Female, Head, Humans, Male, Orientation, Rotation, Space Perception, Vestibule, Labyrinth, Feedback, Sensory, Magnetic Fields
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