Association between auditory and visual symptoms of unilateral spatial neglect

Eramudugolla, R, Irvine, DRF and Mattingley, JB (2007) Association between auditory and visual symptoms of unilateral spatial neglect. Neuropsychologia, 45 11: 2631-2637. doi:10.1016/j.neuropsychologia.2007.03.015

Author Eramudugolla, R
Irvine, DRF
Mattingley, JB
Title Association between auditory and visual symptoms of unilateral spatial neglect
Journal name Neuropsychologia   Check publisher's open access policy
ISSN 0028-3932
Publication date 2007-01-01
Year available 2007
Sub-type Article (original research)
DOI 10.1016/j.neuropsychologia.2007.03.015
Open Access Status
Volume 45
Issue 11
Start page 2631
End page 2637
Total pages 7
Editor Mayes. A. R.
Bentin, S.
Place of publication Oxford
Publisher Pergamon-elsevier Science Ltd
Language eng
Subject C1
380103 Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology)
780108 Behavioural and cognitive sciences
Abstract Unilateral spatial neglect due to right brain damage (RBD) can occur in several different sensory modalities in the same patient. Previous studies of the association between auditory and visual neglect have yielded conflicting outcomes. Most such studies have compared performance on relatively simple clinical measures of visual neglect, such as target cancellation, with that on more sophisticated measures of auditory perception. This is problematic because such tasks are typically not matched for the cognitive processes they exercise. We overcame this limitation by using equivalent visual and auditory versions of extinction and temporal-order judgment (TOJ) tasks. RBD patients demonstrated lateralized deficits on both visual and auditory tasks when compared with same-aged, healthy controls. Critically, a significant association between the severity of visual and auditory deficits was apparent on the TOJ task but not the extinction task, suggesting that even when task demands are matched across modalities, dissociations between visual and auditory neglect can be apparent. Across the auditory tasks, patients showed more pronounced deficits for verbal stimuli than for non-verbal stimuli. These findings have implications for recent models proposed to explain the role of spatial attention in multimodal perception. (c) 2007 Elsevier Ltd. All rights reserved.
Keyword Behavioral Sciences
Psychology, Experimental
Auditory Neglect
Visual Neglect
Multimodal Perception
Parietal Damage
Q-Index Code C1
Institutional Status UQ

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Created: Tue, 19 Feb 2008, 00:19:38 EST