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December 1929


Author Affiliations

Emeritus Professor of Neurology in the University of Pennsylvania, and Neurological Consultant to the Philadelphia General Hospital PHILADELPHIA

Arch NeurPsych. 1929;22(6):1127-1134. doi:10.1001/archneurpsyc.1929.02220060024003

My remarks will be limited as far as possible to the subject of cerebral localization and failures in the acquisition of written language as discussed by Dr. Samuel T. Orton in various presentations and publications, but some excursions in the form of illustrations necessarily will be taken. I shall indicate here only a few points necessary to be kept in mind for a complete comprehension of the subject on hand. Dr. Orton has confined his remarks to failures in the acquisition of written language, in which he includes reading, writing and spelling. These chiefly show themselves in a tendency to reversals or confusion in words, syllables or letters and to sinistrad progress in reading. These mistakes seem to interfere with the process of prompt association.

In his studies, Dr. Orton found many instances of mirror reading and writing. He believes that his data as a rule do not show mental

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