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Haptic identification of raised-line drawings: high visuospatial imagers outperform low visuospatial imagers.

Authors
  • Lebaz, Samuel
  • Jouffrais, Christophe
  • Picard, Delphine
Type
Published Article
Journal
Psychological research
Publication Date
Sep 01, 2012
Volume
76
Issue
5
Pages
667–675
Identifiers
DOI: 10.1007/s00426-011-0351-6
PMID: 21695471
Source
Medline
License
Unknown

Abstract

It has been assumed (Lederman et al. 1990, Perception & psychophysics) that a visual imagery process is involved in the haptic identification of raised-line drawings of common objects. The finding of significant correlations between visual imagery ability and performance on picture-naming tasks was taken as experimental evidence in support of this assumption. However, visual imagery measures came from self-report procedures, which can be unreliable. The present study therefore used an objective measure of visuospatial imagery abilities in sighted participants and compared three groups of high, medium and low visuospatial imagers on their accuracy and response times in identifying raised-line drawings by touch. Results revealed between-group differences on accuracy, with high visuospatial imagers outperforming low visuospatial imagers, but not on response times. These findings lend support to the view that visuospatial imagery plays a role in the identification of raised-line drawings by sighted adults.

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