ORIGINAL ARTICLE |
Commun Sci Disord. 2001;6(1): 1-25.
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A fMRI Study of Word Recognition in Chinese and Korean |
Donghoon Lee`
, Hongjae Lee`
, Eunjung Lee`
, Chanhong Moon`
, Jaeook Ryu`
, Donggue Na`
, and Kichun Nam`
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Copyright ©2001 The Korean Academy of Speech-Language Pathology and Audiology |
이동훈(Donghoon Lee)| 이홍재(Hongjae Lee)| 이은정(Eunjung Lee)| 문찬홍(Chanhong Moon)| 유재욱(Jaeook Ryu)| 나동규(Donggue Na)| 남기춘(Kichun Nam) |
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ABSTRACT |
The depth of or thogr aphy between Chines e and Kor ean is differ ent . It has been r eported in ps ycholinguis tic r es ear ch that the differ ence in wor d r ecognition proces s is due to the differ ence in the depth of or thogr aphy. Kor ean , which has a shallow depth of orthogr aphy , us e both lexical and phonological r outes ; however , Chines e char acters depend exclus ively on the lexical route . In this r es ear ch , we inves tigated whether the differ ence in wor d r ecognition pr oces s caus e any differ ence in the br ain activation r egion us ing fMRI. In Exper iment 1, we gave Kor ean - r eading task and chines e - r eading task one after the other for s ever al times to find out the br ain activation ar ea by compar ing the activation r ate . We found that the SMG (s upr amarginal gyrus ) r egion of the br ain , which is r epor ted to execute phonological pr oces s es , was mor e activated for the Kor ean r eading task than for the Chines e r eading task . However , the Br oca s Ar ea(BA 44) and the fus iform gyrus wer e mor e activated when executing Chines e r eading task . In Exper iment 2, we us ed a s tatis tical s ubtr action method to inves tigate the differ ences in the activating r egions between the two languages . The r es ults showed that the activated r egions wer e s imilar in Kor ean and Chines e , but a tr emendous decr eas e was found in the activating s ignals . We wer e thus able to dr aw a conclus ion that , despite the differ ence in the activating br ain r egions between the two languages , we cannot definitively s ay that the two languages us e differ ent r outes. |
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