Summary.
Disorders of the basal ganglia can be broadly divided into two: ones that manifest hypokinesia or those that elicit hyperkinesia. Parkinson's disease is the commonest form of hypokinetic disorder. The term Parkinson's disease (PD) usually encompasses idiopathic and Parkinsonianlike syndromes. PD is a chronic and progressive disease, in which the symptoms tend to appear unilateral to begin with. Subsequently subtle dysfunctions on the contralateral side may also be observed. Tremor, akinesia and rigidity are some of the classical features of the disease. Although many hypotheses have been proposed, the cause of PD largely remains obscure. Management of PD includes pharmacological treatment or/and surgical intervention.
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Received August 1997; accepted March 12, 1998
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Sian, J., Gerlach, M., Youdim, M. et al. Parkinson's disease: a major hypokinetic basal ganglia disorder. J Neural Transm 106, 443–476 (1999). https://doi.org/10.1007/s007020050171
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DOI: https://doi.org/10.1007/s007020050171