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.

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