Article ID: CBB828875436

Broca’s Aphemia: The Tortuous Story of a Nonaphasic Nonparalytic Disorder of Speech (2016)

unapi

Broca coined the neologism “aphemia” to describe a syndrome consisting of a loss of the ability to speak without impairment of language and paralysis of the faciolingual territories in actions unrelated to speech, such as protruding the tongue or pursing the lips. Upon examining the brains of patients with aphemia, Broca concluded that the minimum possible lesion responsible for aphemia localized to the posterior left inferior frontal gyrus and lower portion of the middle frontal gyrus. A review of Broca’s writings led us to conclude that (a) Broca localized speech, not language, to the left hemisphere, (b) Broca’s aphemia is a form of apraxia, (c) Broca’s aphemia is not, therefore, a terminological forerunner of aphasia, and (d) Broca was an outspoken equipotentialist concerning the cerebral localization of language. Broca’s claim about the role of the left hemisphere in the organization of speech places him as the legitimate forebear of the two most outstanding achievements of Liepmann’s work, namely, the concepts of apraxia and of a left hemisphere specialization for action.

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Authors & Contributors
Leblanc, Richard
David Kieran
Jalava, Jarkko
Maraun, Michael
Ropper, Allan H.
Garcia-Diaz, Celia
Journals
Journal of the History of the Neurosciences
History of Psychiatry
Revue d'Histoire des Sciences
Interdisciplinary Science Reviews
Asclepio: Archivo Iberoamericano de Historia de la Medicina
Publishers
University of Toronto Press, Scholarly Publishing Division
Presses Universitaires de France
New York University Press
McGill-Queen's University Press
Avery
University of California, Berkeley
Concepts
Neurology
Mental disorders and diseases
Aphasia
Psychiatry
Neurosciences
Speech
People
Broca, Paul
Wernicke, Carl
Bouillaud, Jean Baptiste
Luys, Jules Bernard
Adamkiewicz, Albert W.
Dax, Gustav
Time Periods
19th century
20th century, early
21st century
20th century
Ancient
Places
Glasgow (Scotland)
United States
Spain
Russia
Poland
France
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