Révision de la question de l’aphasie; la troisième circonvolution frontale gauche ne joue aucun rôle spécial dans la fonction du langage.

Marie disputed Broca’s claim that the third left frontal convolution of the brain is the speech center. He classified aphasia into three groups: anarthria (defects of articulation), Broca’s (motor) aphasia, and Wernicke’s (sensory) aphasia.

See Pierre Marie's Papers on Speech Disorders. Compiled and Translated by Merritt Frindel Cole and Monroe Cole.  New York: Hafner, 1971.

(Thanks to Malcolm Jay Kottler for the reference to the English translation.)