Handbook of insanity for practitioners and students . Fig. 4. speech and writing (which are developed in one hemisphere alone)are not contained in our centio-motor region, proves the merelyschematic value of the division; nevertheless these two important CORTICAL CENTRES. 11 centres are in close proximity to this region. For purposes ofteaching we require a sharp separation of the centres, which inreality often pass into another. The speech-region, in particular,must be regarded as a composite cortical region. Only the cornersof the speech-region are formed by its centres, while the corti-cal
Handbook of insanity for practitioners and students . Fig. 4. speech and writing (which are developed in one hemisphere alone)are not contained in our centio-motor region, proves the merelyschematic value of the division; nevertheless these two important CORTICAL CENTRES. 11 centres are in close proximity to this region. For purposes ofteaching we require a sharp separation of the centres, which inreality often pass into another. The speech-region, in particular,must be regarded as a composite cortical region. Only the cornersof the speech-region are formed by its centres, while the corti-cal fields of the optic and auditory nerves, as well as of various. Fig. 5. motor nerves, anastomose at the edges with the the interruption of the afferent connections of adjacentsensory regions at these edges will give rise to siDeech-disturbances,as well as the destruction of more cential parts. 1. Centre for motor aphasia (Broeas region). Speech images. 2. Centre for sensory aphasia (Wernickes region.) Speech images. Auditory-centre. Word-deafness. 3. Hypoglossal field. 4. Facial field (inferior branches). 5. Motor trigeminus field (portio minor). 6. Centre for agraphia. Writing images. 7. Centre for coarse arm movements. 8. Centre for coarse leg movements. 9. Centre for coarse arm and leg movements. 10. Centre for complicated movements of hand, arm, and leg. 11. Supposed centie for levator palpebra; superioris. 12 HANDBOOK OF INSANITY. 12. Centre for disturbances in all sensory tracts. 13. Centre for alexia. Writing images. Word-blindness. 14. Visual cent-e; * indicates macula lutea. 15. Doubtful centre for smell and taste; in
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