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Sensory Substitution and Augmentation$
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Fiona Macpherson

Print publication date: 2018

Print ISBN-13: 9780197266441

Published to British Academy Scholarship Online: September 2019

DOI: 10.5871/bacad/9780197266441.001.0001

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PRINTED FROM BRITISH ACADEMY SCHOLARSHIP ONLINE (www.britishacademy.universitypressscholarship.com). (c) Copyright British Academy, 2019. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in BASO for personal use.date: 18 November 2019

Bodily Action and Distal Attribution in Sensory Substitution

Bodily Action and Distal Attribution in Sensory Substitution

Chapter:
(p.174) 11 Bodily Action and Distal Attribution in Sensory Substitution
Source:
Sensory Substitution and Augmentation
Author(s):

Robert Briscoe

, Fiona Macpherson
Publisher:
British Academy
DOI:10.5871/bacad/9780197266441.003.0011

According to proponents of the sensorimotor contingency theory of perception, active control of camera movement is necessary for the emergence of distal attribution in tactile-visual sensory substitution (TVSS) because it enables the subject to acquire knowledge of the way stimulation in the substituting modality varies as a function of self-initiated, bodily action. This chapter, by contrast, approaches distal attribution as a solution to a causal inference problem faced by the subject’s perceptual systems. Given all of the endogenous and exogenous evidence available to those systems, what is the most probable source of stimulation in the substituting modality? From this perspective, active control over the camera’s movements matters for rather different reasons. Most importantly, it generates proprioceptive and efference-copy based information about the camera’s body-relative position necessary to make use of the spatial cues present in the stimulation that the subject receives for purposes of egocentric object localization.

Keywords:   perception, distal attribution, egocentric object localization, proprioception, sensory substitution, sensorimotor contingencies, spatial cues

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