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 › peer-review

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

Keywords

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

Documents and Links

10.1016/j.neuropsychologia.2011.04.030

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title = "Impaired delayed but preserved immediate grasping in a neglect patient with parieto-occipital lesions",

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. ",

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AU - Goodale, Mervyn A.

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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

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DO - 10.1016/j.neuropsychologia.2011.04.030

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