[Alexia and agraphia caused by a lesion of the right hemisphere in a non-aphasic right-handed patient].
Oral and written speech centers are commonly attributed to the dominant hemisphere, while body, spatial and facial recognition to the non-dominant. This paper examines the case of a 63 year old entirely right-handed male who presents alexia, agraphia, difficulties in spelling and word-finding together with left spatial and body agnosia, musical, letter and face agnosia, constructional apraxia and left hemianopsia. Computerized axial tomography confirms a right occipital tumor identified as an adeno-carcinoma probably of digestive origin. The role of right hemisphere as a spatial prerequisite to final elaborate speech is discussed.
D000230:Adenocarcinoma / Q000150:complications* / Q000556:secondary; D000381:Agraphia / Q000209:etiology*; D001932:Brain Neoplasms / Q000150:complications* / Q000556:secondary; D002540:Cerebral Cortex / Q000502:physiology; D004067:Digestive System Neoplasms; D004411:Dyslexia, Acquired / Q000209:etiology*; D006423:Hemianopsia / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged
Alexie et agraphie par lésion de l'hémisphère droit chez un droitier non aphasique.