Abstract
The present case study of MM, who acquired both sign language and spoken language in her early preschool years - and then reached the normal milestones of development in each language - revealed that her speechreading expertise is associated with cognitive functions such as high working memory capacity and phonological skills. Her cognitive profile is in accord with previous case studies of extremely good speechreading skill. MM's enhanced right prefrontal/frontal cerebral blood flow activation during speechreading seems to be indicative of efficient visual scanning, but it is also possibly due to her strategy for phonological decoding of visual speech.
Original language | English |
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Pages (from-to) | 5-20 |
Number of pages | 16 |
Journal | Journal of Speech, Language, and Hearing Research |
Volume | 42 |
Issue number | 1 |
Publication status | Published - Feb 1999 |
Keywords
- Cognition
- Lipreading
- Phonology
- Speechreading
- Working memory