Mental pathology in its relation to normal psychology : a course of lectures delivered in the University of Leipzig / by Gustav Störring ; translated by Thomas Loveday.

  • Störring, Gustav, 1860-
Date:
1907
Catalogue details

Licence: In copyright

Credit: Mental pathology in its relation to normal psychology : a course of lectures delivered in the University of Leipzig / by Gustav Störring ; translated by Thomas Loveday. Source: Wellcome Collection.

    91/320 (page 75)
    cortical motor aphasia, when it is in the articulatory centre ; subcortical sensory aphasia, when there is interruption of the centripetal path to the auditory centre ; subcortical motor aphasia, when there is interruption of the centrifugal path from the articulatory centre ; transcortical motor aphasia, when there is lesion of the path between conceptual and articulatory centres ; transcortical sensory aphasia, when there is lesion of the path between auditory and conceptual centres ; and conduction-aphasia, as I have said, when the path between auditory and articulatory centres is interrupted. I will now give you the symptoms characteristic of these different types. Cortical motor aphasia is marked by (1) abolition of spontaneous speech, which requires an intact path from conceptual centre to periphery by way of the motor centre [B-M-m] ; (2) abolition of mimetic speech, which requires the path a-A-M-m ; (3) preservation of the power of understanding speech [a-A-B]; and according to these writers (4) abolition of the power of writing, or Agraphia; but I postpone the treatment of derangements of writing and reading. In cortical sensory aphasia, from lesion of the auditory centre, there is (1) abolition of the power of understanding speech, which needs the path a-A-B, and obviously also (2) abolition of mimetic speech ; (3) preservation of spontaneous speech, which is held to take place along the path B-M-m. But observation shows that though spontaneous speech is not abolished in cases of this kind, paraphasia, or substitution of wrong words, occurs, a phenomenon whose causes we shall have to discuss by and by in some detail. Transcortical motor aphasia, resulting from interruption of the path from B to M, is marked by (1) abolition of spontaneous speech, as is evident from what has been said ; (2) preservation of the power of understanding speech [a-A-B]; and