Optic ataxia: from Balint’s syndrome to the parietal reach region
网页2014年3月3日 · Optic ataxia is a high order deficit in reaching to visual goals that occurs with posterior parietal cortex (PPC) lesions. It is a component of Balint’s syndrome that also includes attentional and gaze disorders.
Balint Syndrome - StatPearls - NCBI Bookshelf
网页2023年6月26日 · Balint syndrome sometimes referred to as Balint-Holmes syndrome, is described as a triad of optic ataxia, oculomotor apraxia, and simultagnosia. It is a rare and disabling condition usually seen with bilateral parietal lobe lesions.
Optic ataxia | Causes, Symptoms & Treatment | Britannica
网页optic ataxia, condition in which some or all aspects of visual guidance over reaching with the hand and arm are lost. Optic ataxia is broadly characterized by an inaccuracy of visually guided arm movements.
Guidelines and quality measures for the diagnosis of optic ataxia
网页2013年7月2日 · Optic ataxia (OA) was first described by Rudolph Bálint in 1909 as a neurological symptom resulting in gross mis-reaching to targets in the peripheral visual field (Balint, 1909). Initially, it was only seen as part of a triad of symptoms, which forms the basis of the Bálint-Holmes syndrome.
Optic ataxia: beyond the dorsal stream cliché - PubMed
网页Three major features of optic ataxia are described. The first is a spatial feature whereby the deficits exhibited by patients appear to be specific to peripheral vision, akin to the field effect. Visuomotor field examination allows us to quantify this deficit and reveals that it consists of a highly reliable retinocentric hypometria.
Optic Ataxia - SpringerLink
网页2018年1月1日 · Optic ataxia is a deficit of visually guided hand movements toward a normally perceived object in the peripheral visual field (s). Epidemiology. Unknown, rare. History. Deficits in reaching movements have been described since the late nineteenth century (Pisella et al. 2008).
Optic Ataxia - SpringerLink
网页Optic ataxia is a deficit of visually guided hand movements toward a normally perceived object in the peripheral visual field(s).
Optic ataxia and the function of the dorsal stream ... - PubMed
网页Optic ataxia (OA) is one of the symptoms pertaining to Bálint's Syndrome. It has been described clinically for nearly 80 years before it became a cornerstone of the most popular dual stream theory of the visual brain.
Balint Syndrome - EyeWiki
网页The diagnosis of Balint syndrome is made clinically and is defined by the presence of three key features: (1) simultanagnosia (2) optic ataxia, and (3) oculomotor apraxia. Certain tools can assist in the evaluation of a patient’s symptoms and neuroimaging can identify the underlying etiology.
Optic ataxia: from Balint's syndrome to the parietal reach region
网页2014年3月5日 · Optic ataxia is a high-order deficit in reaching to visual goals that occurs with posterior parietal cortex (PPC) lesions. It is a component of Balint's syndrome that also includes attentional and gaze disorders.
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