A speechreading expert: The case MM

Jerker Rönnberg*, Jan Andersson, Stefan Samuelsson, Birgitta Söderfeldt, Björn Lyxell, Jarl Risberg

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    30 Citations (Scopus)

    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 languageEnglish
    Pages (from-to)5-20
    Number of pages16
    JournalJournal of Speech, Language, and Hearing Research
    Volume42
    Issue number1
    Publication statusPublished - Feb 1999

    Keywords

    • Cognition
    • Lipreading
    • Phonology
    • Speechreading
    • Working memory

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