ArticleScientific reports2021
Applying a novel visual-to-touch sensory substitution for studying tactile reference frames.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Highly compromised auditory spatial perception in aided congenitally hearing-impaired and rapid improvement with tactile technology.iScience · 2024Article
- Shape detection beyond the visual field using a visual-to-auditory sensory augmentation device.Frontiers in human neuroscience · 2023Article
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5 authors.
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Abstract
Perceiving the spatial location and physical dimensions of touched objects is crucial for goal-directed actions. To achieve this, our brain transforms skin-based coordinates into a reference frame by integrating visual and posture information. In the current study, we examine the role of posture in mapping tactile sensations to a visual image. We developed a new visual-to-touch sensory substitution device that transforms images into a sequence of vibrations on the arm. 52 blindfolded participants performed spatial recognition tasks in three different arm postures and had to switch postures between trial blocks. As participants were not told which side of the device is down and which is up, they could choose how to map its vertical axis in their responses. Contrary to previous findings, we show that new proprioceptive inputs can be overridden in mapping tactile sensations. We discuss the results within the context of the spatial task and the various sensory contributions to the process.
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