TB7 B&B Lecture 4; Written Language 2
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- Created on: 21-12-15 15:16
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- TB7 BB Lecture 4; Written language 2
- Beyond the vwfa; dorsal and ventral routes
- Dorsal reading routes
- Connects the vwfa to PHONO-LOGICAL areas concerned with...
- Auditory-phonological processing = Superior medial and posterior temporal regions
- Speech-motor processing = Left inferior frontal gyrus and speech-motor cortex
- Wheat et al (2010); Fast access from print to phonology, left IFG responded within 200ms of word-presentation with MEG
- Dorsal routes for reading are SHARED with those for repeating spoken words!
- Connects the vwfa to PHONO-LOGICAL areas concerned with...
- Ventral reading routes
- Connects the vwfa to SEMANTIC areas
- To areas in the left ANTERIOR temporal lobe, along the inferior part of the temporal lobe
- Connects the vwfa to SEMANTIC areas
- Dorsal reading routes
- CENTRAL Acquired Dyslexias
- Surface
- Meaning
- VENTRAL route damage
- Meaning
- Phonological
- Sound
- DORSAL route damage
- Sound
- Deep
- Meaning AND sound
- BOTH routes damaged
- Meaning AND sound
- Perception of written words is ACCURATE
- Accessing semantics and/ or phonology DAMAGED
- Surface
- Central Dysgraphias
- Stages of planning
- Deep dysgraphia is often comorbid with deep dyslexia etc.
- Inability to spell INVERTED NON-words
- SEMANTIC errors in spelling
- Peripheral dysgraphias
- Impaired spelling and/ or writing
- Intact spoken language and sometimes reading
- Graphemic Buffer disorder
- Issues with retention and control of ABSTRACT letter represent-ations
- Affects all forms of OUTPUT
- Issues with retention and control of ABSTRACT letter represent-ations
- Afferent Dysgraphia
- Problems in the USE OF FEEDBACK to control graphomotor patterns
- Beyond the vwfa; dorsal and ventral routes
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