On the Matching of Seen and Felt Shape by Newly Sighted Subjects

How do we recognize identities between seen shapes and felt ones? Is this due to associative learning, or intrinsic connections these sensory modalities? We can address this question by testing the capacities of newly sighted subjects to match seen and felt shapes, but only if the subjects can see t...

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Main Author: John Schwenkler
Format: Article
Language:English
Published: SAGE Publishing 2012-04-01
Series:i-Perception
Online Access:https://doi.org/10.1068/i0525ic
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spelling doaj-738f7f6e15354229ba0d3893784cd2c22020-11-25T03:41:16ZengSAGE Publishingi-Perception2041-66952012-04-01310.1068/i0525ic10.1068_i0525icOn the Matching of Seen and Felt Shape by Newly Sighted SubjectsJohn SchwenklerHow do we recognize identities between seen shapes and felt ones? Is this due to associative learning, or intrinsic connections these sensory modalities? We can address this question by testing the capacities of newly sighted subjects to match seen and felt shapes, but only if the subjects can see the objects well enough to form adequate visual representations of their shapes. In light of this, a recent study by R. Held and colleagues fails to demonstrate that their newly sighted subjects' inability to match seen and felt shape was due to a lack of intermodal connections rather than a purely visual deficit, as the subjects may not have been able visually to represent 3D shape in the perspective-invariant manner required for intermodal matching. However, the study could be modified in any of several ways to help avoid this problem.https://doi.org/10.1068/i0525ic
collection DOAJ
language English
format Article
sources DOAJ
author John Schwenkler
spellingShingle John Schwenkler
On the Matching of Seen and Felt Shape by Newly Sighted Subjects
i-Perception
author_facet John Schwenkler
author_sort John Schwenkler
title On the Matching of Seen and Felt Shape by Newly Sighted Subjects
title_short On the Matching of Seen and Felt Shape by Newly Sighted Subjects
title_full On the Matching of Seen and Felt Shape by Newly Sighted Subjects
title_fullStr On the Matching of Seen and Felt Shape by Newly Sighted Subjects
title_full_unstemmed On the Matching of Seen and Felt Shape by Newly Sighted Subjects
title_sort on the matching of seen and felt shape by newly sighted subjects
publisher SAGE Publishing
series i-Perception
issn 2041-6695
publishDate 2012-04-01
description How do we recognize identities between seen shapes and felt ones? Is this due to associative learning, or intrinsic connections these sensory modalities? We can address this question by testing the capacities of newly sighted subjects to match seen and felt shapes, but only if the subjects can see the objects well enough to form adequate visual representations of their shapes. In light of this, a recent study by R. Held and colleagues fails to demonstrate that their newly sighted subjects' inability to match seen and felt shape was due to a lack of intermodal connections rather than a purely visual deficit, as the subjects may not have been able visually to represent 3D shape in the perspective-invariant manner required for intermodal matching. However, the study could be modified in any of several ways to help avoid this problem.
url https://doi.org/10.1068/i0525ic
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