Clinical, neuroimaging, and pathologic studies suggested that a variety of nonmotor symptoms, such as olfactory dysfunction, dysautonomia, and mood and sleep disorders, can precede the typic motor features of Parkinson disease (PD) by years and, perhaps, even decades.The period when these symptoms arise can be referred as the premotor phase of the disease.This paper reviewed the conception, clinical manifestation, pathology, diogose of the premotor phase of early Parkinson disease.%临床症状学及神经影像学、病理学的资料均提示各种帕金森病(PD)非运动症状(NMS),如嗅觉障碍、自主神经机能异常、情感障碍、睡眠紊乱等,先于运动症状出现数年至十数年,这段时期称为运动前期(premotor phase).本文对帕金森病运动前期概念、临床表现、病理基础、诊断的研究进展做一综述.
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