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Blind VisionThe Neuroscience of Visual Impairment$
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Zaira Cattaneo and Tomaso Vecchi

Print publication date: 2011

Print ISBN-13: 9780262015035

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262015035.001.0001

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The Importance of Blindness-Onset

The Importance of Blindness-Onset

(p.154) (p.155) 7 The Importance of Blindness-Onset
Blind Vision

Cattaneo Zaira

Vecchi Tomaso

The MIT Press

This chapter focuses on blindness-onset and its effect on sensory compensation, imagery abilities, working memory capacities, and cortical plasticity phenomena. It presents a study which demonstrates that the basic auditory function of people under late blind criteria does not improve to compensate for their visual deficit, although their perceptual cognitive ability increases. The chapter discusses late blindness and its effect on picture perception, visual imagery, and working memory, as well as the reliance of late blind individuals on an allocentric external reference frame for locating and navigating objects. It also explores the intramodal plasticity phenomena, which seem to be weaker in late blind individuals.

Keywords:   intramodal plasticity, blindness-onset, sensory compensation, picture perception, late blindness

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