Abstract:
:The phonemic structure of the maternal language determines the way of perceiving speech signals. A typical example is that native Japanese listeners map two English phonemes, /r/ and /l/, onto the same /R/. This perceptual assimilation of speech sounds has been associated with the left and/or right posterior perisylvian region, but the precise functional anatomy is unknown. Using functional magnetic resonance imaging and a repetition priming paradigm, we identified three subregions in the left temporal cortex: an anterior division sensitive to language-specific phonological knowledge, and a midlateral and a posterior division related to other vocal stimuli features. Dynamic causal modeling supports the scheme by which the anterior pathway processes perceptual assimilation; the posterior pathway processes lexico-semantic information.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Hara NF,Nakamura K,Kuroki C,Takayama Y,Ogawa Sdoi
10.1097/WNR.0b013e3282f03f39subject
Has Abstractpub_date
2007-10-08 00:00:00pages
1603-7issue
15eissn
0959-4965issn
1473-558Xpii
00001756-200710080-00019journal_volume
18pub_type
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