NBB 302 Chapter Notes - Chapter 9: Sign Language, Facial Expression, Linguistic System
22 Apr 2018
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Classical model of language: specific brain regions performed specific tasks - lang comp, lang production. ** new lang systems approach -- id brain networks that support human lang and reveal computational processes they enable. Mental floss: 7 things you should know about sign language http://mentalfloss. com/article/13107/7-things-you-should-know-about-sign-language: different countries have diff sign lang, given a few generations, improvised gestures can evolve into a full language. Is there left lateralization of language: hickok et al. agree that l dominance is seen for both understanding and producing spoken lang as well as signed lang. Lateralization of lang to l hemi is modality independent: neville -- l lateralization independent of modality, but we may be putting too much emphasis on production, and comprehension may be more bilateral. Is that recruitment lang specific: neville -- r hemi may be involved in actual lang processing in asl. If there was more facial expression in asl, speaking non-signers would have had activation in asl-signed nonsense contrast.
