Impaired delayed but preserved immediate grasping in a neglect patient with parieto-occipital lesions

Stephanie Rossit; J. Alexander Fraser; Robert Teasell; Paresh A. Malhotra; Mervyn A. Goodale

doi:10.1016/j.neuropsychologia.2011.04.030

Impaired delayed but preserved immediate grasping in a neglect patient with parieto-occipital lesions

Stephanie Rossit, J. Alexander Fraser, Robert Teasell, Paresh A. Malhotra, Mervyn A. Goodale

Research output: Contribution to journal › Article

Abstract

Patients with optic ataxia, a deficit in visually guided action, paradoxically improve when pantomiming an action towards memorized stimuli. Visual form agnosic patient D.F. shows the exact opposite pattern of results: although being able to grasp objects in real-time she loses grip scaling when grasping an object from memory.

Original language	English
Pages (from-to)	2498-2504
Number of pages	7
Journal	Neuropsychologia
Volume	49
Issue number	9
Early online date	6 May 2011
DOIs	https://doi.org/10.1016/j.neuropsychologia.2011.04.030
Publication status	Published - Jul 2011

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Keywords

ventral visual stream
visual neglect
parietal-occipital sulcus
dorsal visual stream
grasping

Cite this

Rossit, S., Fraser, J. A., Teasell, R., Malhotra, P. A., & Goodale, M. A. (2011). Impaired delayed but preserved immediate grasping in a neglect patient with parieto-occipital lesions. Neuropsychologia, 49(9), 2498-2504. https://doi.org/10.1016/j.neuropsychologia.2011.04.030

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abstract = "Patients with optic ataxia, a deficit in visually guided action, paradoxically improve when pantomiming an action towards memorized stimuli. Visual form agnosic patient D.F. shows the exact opposite pattern of results: although being able to grasp objects in real-time she loses grip scaling when grasping an object from memory. ",

keywords = "ventral visual stream, visual neglect, parietal-occipital sulcus, dorsal visual stream, grasping",

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AU - Rossit, Stephanie

AU - Fraser, J. Alexander

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AU - Malhotra, Paresh A.

AU - Goodale, Mervyn A.

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N2 - Patients with optic ataxia, a deficit in visually guided action, paradoxically improve when pantomiming an action towards memorized stimuli. Visual form agnosic patient D.F. shows the exact opposite pattern of results: although being able to grasp objects in real-time she loses grip scaling when grasping an object from memory.

AB - Patients with optic ataxia, a deficit in visually guided action, paradoxically improve when pantomiming an action towards memorized stimuli. Visual form agnosic patient D.F. shows the exact opposite pattern of results: although being able to grasp objects in real-time she loses grip scaling when grasping an object from memory.

KW - ventral visual stream

KW - visual neglect

KW - parietal-occipital sulcus

KW - dorsal visual stream

KW - grasping

U2 - 10.1016/j.neuropsychologia.2011.04.030

DO - 10.1016/j.neuropsychologia.2011.04.030

M3 - Article

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JO - Neuropsychologia

JF - Neuropsychologia

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Documents and Links

10.1016/j.neuropsychologia.2011.04.030