pseudobulbar paralysis


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pseudobulbar palsy

paralysis of the lips and tongue, simulating progressive bulbar paralysis, but due to supranucelar lesions with bilateral involvement of the upper motor neurons; characterized by speech and swallowing difficulties, emotional instability, and spasmodic, mirthless laughter.

pseudobulbar paralysis

[-bul′bər]
Etymology: Gk, pseudes, false; L, bulbus, swollen root, paralyein, to be palsied
a condition resembling progressive bulbar paralysis, with dysarthria and dysphagia, but in which weakness of the bulbar muscles is of the upper motor neuron type. It may result from multiple bilateral infarcts of the cerebral cortex.

pseu·do·bul·bar pa·ral·y·sis

(sū'dō-bŭl'bahr păr-al'i-sis)
Paralysis of the lips and tongue, simulating progressive bulbar paralysis but due to supranuclear lesions with bilateral involvement of the upper motor neurons; characterized by speech and swallowing difficulties, emotional instability, and spasmodic, mirthless laughter.

pseudobulbar paralysis

Paralysis caused by cerebral center lesions, simulating the bulbar types of paralysis.
See also: paralysis