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Sensorimotor Foundations of Higher
Cognition$
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Patrick Haggard

Print publication date: 1993

Print ISBN-13: 9780199231447

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780199231447.001.0001

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Investigating multisensory spatial cognition through the phenomenon of extinction

Investigating multisensory spatial cognition through the phenomenon of extinction

Chapter:
(p.182) (p.183) 9 Investigating multisensory spatial cognition through the phenomenon of extinction
Source:
Sensorimotor Foundations of Higher Cognition
Author(s):

Alessandro Farnè

Claudio Brozzoli

Elisabetta Làdavas

Tony Ro

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199231447.003.0009

This chapter examines multisensory spatial cognition through the so-called clinical extinction phenomenon. It presents extinction-based evidence to illustrate the peculiar nature of multisensory processing occurring in pericorporeal space and discusses the plastic features of such processing. The findings suggest that for visual-tactile extinction patients the use of tools as an extension of reachable space may dynamically modulate the multisensory processing of farther, non-reachable sectors of space. This chapter proposes a model of the tactile extinction phenomenon and shows that somatosensory performance is lower when reporting double simultaneous stimuli in neurologically healthy participants.

Keywords:   spatial cognition, clinical extinction, multisensory processing, pericorporeal space, somatosensory performance

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