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帕金森病伴视幻觉患者视觉系统功能障碍的初步功能磁共振成像证据。

Preliminary FMRI evidence of visual system dysfunction in Parkinson's disease patients with visual hallucinations.

作者信息

Holroyd Suzanne, Wooten G Frederick

机构信息

Department of Psychiatric Medicine, University of Virginia Health System, Box 800623, Charlottesville, VA 22908, USA.

出版信息

J Neuropsychiatry Clin Neurosci. 2006 Summer;18(3):402-4. doi: 10.1176/jnp.2006.18.3.402.

Abstract

Using functional magnetic resonance imaging (fMRI), the authors examined visual cortex function in Parkinson's disease patients who did and did not experience visual hallucinations. Patients with visual hallucinations demonstrated increased activation in the visual association cortex and deficits in the primary visual cortex, suggesting that visual hallucinations are associated with an abnormality of visual-cortex function.

摘要

作者使用功能磁共振成像(fMRI)技术,对患有和未患有视幻觉的帕金森病患者的视觉皮层功能进行了检查。出现视幻觉的患者在视觉联合皮层表现出激活增加,而在初级视觉皮层存在缺陷,这表明视幻觉与视觉皮层功能异常有关。

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