PubMed · 8752427
[Progressive supranuclear palsy].
Abstract
Progressive supranuclear palsy (PSP) was a distinct clinicopathological syndrome described by Steele, Richardson and Olszewski in 1964. In 1974, Narabayashi and the present author described a syndrome of levodopa unresponsive pure akinesia or freezing without rigidity or tremor affecting gait, hand writing and speech. In a series of subsequent reports in Japan, evidence has indicated that pure akinesia often represents a pre-oculomotor form of PSP. In this sense, the syndrome of pure akinesia/PSP is proposed. The pathogenesis and etiology of PSP and related conditions remain to be cleared.
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H Imai. 1995. [Progressive supranuclear palsy].. https://pubmed.ncbi.nlm.nih.gov/8752427/
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