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The experience of Wernicke’s aphasia

From the Departments of Neurology (Drs. Lazar and Marshall), Radiology (Dr. Pile-Spellman), and Neurological Surgery (Dr. Lazar), Columbia–Presbyterian Medical Center, and Department of Pharmacology (Dr. Prell), Mount Sinai School of Medicine, New York, NY.

Address correspondence and reprint requests to Dr. Ronald M. Lazar, Neurological Institute, Columbia–Presbyterian Medical Center, 710 West 168th Street, New York, NY 10032; e-mail: ral22{at}columbia.edu

The authors induced a transient Wernicke’s aphasia in a patient with left frontal arteriovenous malformation by superselective Wada injection exclusively into the lower division of the left middle cerebral artery. The patient was then asked to recall his experience, which the authors matched against his language during anesthesia. The patient’s account showed that there was a more systematic attempt to respond appropriately than the authors could infer from his overt behavior. His narrative suggests that a thought process not measured by aphasia examinations may exist independent of language.