Please use this identifier to cite or link to this item: http://hdl.handle.net/10077/10540
Title: Autonomous Physical Exploration Influences Spatial Representation: Evidence From Blind and Sighted.
Authors: Santoro, Ilaria
Hvastja Stefani, Loredana
Agostini, Tiziano
Keywords: spatial perceptionspatial representationvisually impairmentphysical movement
Issue Date: 2014
Publisher: EUT Edizioni Università di Trieste
Source: Ilaria Santoro, Loredana Hvastja Stefani, Tiziano Agostini, "Autonomous Physical Exploration Influences Spatial Representation: Evidence From Blind and Sighted." in: Paolo Bernardis, Carlo Fantoni, Walter Gerbino (eds.) "TSPC2014. Proceedings of the Trieste Symposium on Perception and Cognition, November 27-28", Trieste, EUT Edizioni Università di Trieste, 2014, pp. 141-143.
Abstract: 
Evidences demonstrated that verbal information allows to
construct a mental representation of space, even for persons
who have no previous experience of sight. However, the
construction of a mental model from verbal description is not
presentation-free, as the verbal description anchors
participants to a single perspective. The aim of our study is to
test the perspective of spatial representation after the physical
exploration of space, in order to avoid the influence of format
presentation. We asked visual impaired and sighted
participants to explore autonomously a room and then to
perform a Sentence Verification Task, with sentences
presented in an egocentric and in an allocentric version. We
measured both response time and accuracy. Data
demonstrated a better performance with allocentric
perspective, even if the response time suggests that
participants are more confident with the egocentric
perspective. In conclusion, we suggest that the physical
exploration of space leads to the development of an
allocentric representation.
Type: Book Chapter
URI: http://hdl.handle.net/10077/10540
eISBN: 978-88-8303-610-1
Appears in Collections:TSPC2014: Proceedings of the Trieste Symposium on Perception and Cognition, November 27th-28th 2014

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