Simultaneously cooperative, but serially antagonistic: a neuropsychological study of diagonistic dyspraxia in a case of Marchiafava-Bignami disease

• Published in: Behavioural neurology Vol. 19; no. 3; pp. 137 - 144
• Main Authors: Hirayama, Kazumi, Tachibana, Kaori, Abe, Nobuhito, Manabe, Hideaki, Fuse, Takahisa, Tsukamoto, Tetsuro
• Format: Journal Article
• Language: English
• Published: Netherlands IOS Press 2008; Hindawi Limited
• Subjects: Apraxias - complications; Apraxias - pathology; Awareness; Clinical Note; Conflict (Psychology); Corpus Callosum - pathology; Demyelinating Diseases - complications; Demyelinating Diseases - pathology; Functional Laterality; Humans; Intention; Magnetic Resonance Imaging; Male; Marchiafava-Bignami Disease - complications; Marchiafava-Bignami Disease - pathology; Middle Aged; Neuropsychological Tests; Psychomotor Performance

We describe a patient with Marchiafava-Bignami disease who showed, in addition to signs of callosal interruption, a peculiar form of diagonistic dyspraxia. Unlike the typical diagonistic dyspraxia, both of the patient's hands could simultaneously cooperate in a sequence of bimanual actions. Mor...