Auditory sustained attention is a marker of unilateral spatial neglect

The relationships between performance on a non-spatially-lateralized measure of sustained attention and spatial bias on tests sensitive to unilateral neglect were considered in a group of 44 patients with right hemisphere lesions following stroke. As predicted from earlier studies showing a strong a...

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Veröffentlicht in:Neuropsychologia 1997-12, Vol.35 (12), p.1527-1532
Hauptverfasser: Robertson, Ian H, Manly, Tom, Beschin, Nicoletta, Daini, Roberta, Haeske-Dewick, Hilary, Hömberg, Volker, Jehkonen, Mervi, Pizzamiglio, Gino, Shiel, Agnes, Weber, Eugen
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Sprache:eng
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Zusammenfassung:The relationships between performance on a non-spatially-lateralized measure of sustained attention and spatial bias on tests sensitive to unilateral neglect were considered in a group of 44 patients with right hemisphere lesions following stroke. As predicted from earlier studies showing a strong association between unilateral spatial neglect and sustained attention, performance on a brief and monotonous tone-counting measure formed a significant predictor of spatial bias across a variety of measures of unilateral visual neglect. This study provides further evidence for a very close link between two attentional systems hitherto regarded as being quite separate, namely a spatial attention system implicated in unilateral neglect and a sustained attention system. A close connection between these two systems was predicted by Posner, who argued that the right hemisphere-dominant sustained attention system provides a strong modulatory influence on the functioning of the lateralized posterior attention system.
ISSN:0028-3932
1873-3514
DOI:10.1016/S0028-3932(97)00084-5