Non-lateralised deficits in anti-saccade performance in patients with hemispatial neglect

Stephen H. Butler; Stephanie Rossit; Iain D.  Gilchrist; Casimir J.H.  Ludwig; Bettina  Olk; Keith Muir; Ian  Reeves; Monika Harvey

doi:10.1016/j.neuropsychologia.2009.04.022

Non-lateralised deficits in anti-saccade performance in patients with hemispatial neglect

Stephen H. Butler, Stephanie Rossit, Iain D. Gilchrist, Casimir J.H. Ludwig, Bettina Olk, Keith Muir, Ian Reeves, Monika Harvey

Research output: Contribution to journal › Article

Abstract

We tested patients suffering from hemispatial neglect on the anti-saccade paradigm to assess voluntary control of saccades. In this task participants are required to saccade away from an abrupt onset target. As has been previously reported, in the pro-saccade condition neglect patients showed increased latencies towards targets presented on the left and their accuracy was reduced as a result of greater undershoot. To our surprise though, in the anti-saccade condition, we found strong bilateral effects: the neglect patients produced large numbers of erroneous pro-saccades to both left and right stimuli.

Original language	English
Pages (from-to)	2488-2495
Number of pages	8
Journal	Neuropsychologia
Volume	47
Issue number	12
DOIs	https://doi.org/10.1016/j.neuropsychologia.2009.04.022
Publication status	Published - Oct 2009

Keywords

saccades
brain lesions
hemispatial neglect

Documents and Links

10.1016/j.neuropsychologia.2009.04.022

http://www.sciencedirect.com/science/article/pii/S0028393209001948

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Butler, S. H., Rossit, S., Gilchrist, I. D., Ludwig, C. J. H., Olk, B., Muir, K., Reeves, I., & Harvey, M. (2009). Non-lateralised deficits in anti-saccade performance in patients with hemispatial neglect. Neuropsychologia, 47(12), 2488-2495. https://doi.org/10.1016/j.neuropsychologia.2009.04.022

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abstract = "We tested patients suffering from hemispatial neglect on the anti-saccade paradigm to assess voluntary control of saccades. In this task participants are required to saccade away from an abrupt onset target. As has been previously reported, in the pro-saccade condition neglect patients showed increased latencies towards targets presented on the left and their accuracy was reduced as a result of greater undershoot. To our surprise though, in the anti-saccade condition, we found strong bilateral effects: the neglect patients produced large numbers of erroneous pro-saccades to both left and right stimuli. ",

keywords = "saccades, brain lesions, hemispatial neglect ",

author = "Butler, {Stephen H.} and Stephanie Rossit and Gilchrist, {Iain D.} and Ludwig, {Casimir J.H.} and Bettina Olk and Keith Muir and Ian Reeves and Monika Harvey",

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AU - Butler, Stephen H.

AU - Rossit, Stephanie

AU - Gilchrist, Iain D.

AU - Ludwig, Casimir J.H.

AU - Olk, Bettina

AU - Muir, Keith

AU - Reeves, Ian

AU - Harvey, Monika

PY - 2009/10

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N2 - We tested patients suffering from hemispatial neglect on the anti-saccade paradigm to assess voluntary control of saccades. In this task participants are required to saccade away from an abrupt onset target. As has been previously reported, in the pro-saccade condition neglect patients showed increased latencies towards targets presented on the left and their accuracy was reduced as a result of greater undershoot. To our surprise though, in the anti-saccade condition, we found strong bilateral effects: the neglect patients produced large numbers of erroneous pro-saccades to both left and right stimuli.

AB - We tested patients suffering from hemispatial neglect on the anti-saccade paradigm to assess voluntary control of saccades. In this task participants are required to saccade away from an abrupt onset target. As has been previously reported, in the pro-saccade condition neglect patients showed increased latencies towards targets presented on the left and their accuracy was reduced as a result of greater undershoot. To our surprise though, in the anti-saccade condition, we found strong bilateral effects: the neglect patients produced large numbers of erroneous pro-saccades to both left and right stimuli.

KW - saccades

KW - brain lesions

KW - hemispatial neglect

U2 - 10.1016/j.neuropsychologia.2009.04.022

DO - 10.1016/j.neuropsychologia.2009.04.022

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VL - 47

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EP - 2495

JO - Neuropsychologia

JF - Neuropsychologia

SN - 0028-3932

IS - 12

ER -