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Lexical agraphia from focal lesion of the left precentral gyrus

From the Department of Neurology, Health Sciences Center, University of Arizona, Tucson, AZ.

Lexical agraphia reflects a dysfunction of the lexical spelling system and is characterized by better spelling of non words and regular words than irregular words. All previously reported cases with documented focal lesions had involvement of temporo-parieto-occipital regions. We now report a case of lexical agraphia following a discrete lesion of the left precentral gyrus. Our case complements previous neuroanatomical accounts of agraphia and provides further support for the independence of neuronal systems that mediate spelling from those involved in spoken language and reading.

Address correspondence and reprint requests to Dr. Rapcsak, Department of Neurology, Health Sciences Center, University of Arizona, 1501 North Campbell Avenue, Tucson, AZ 85724.

Received August 19, 1987. Accepted for publication in final form November 26, 1987.

This article has been cited by other articles:

				P. Kihl, K. Gregersen, and N. Sterum Hans Christian Andersen's Spelling and Syntax: Allegations of Specific Dyslexia Are Unfounded J Learn Disabil, November 1, 2000; 33(6): 506 - 519. [Abstract] [PDF]