Are the anterior negativities to grammatical violations 是语法违反前的负面情绪.pptVIP

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Are the anterior negativities to grammatical violations 是语法违反前的负面情绪.ppt

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Are the anterior negativities to grammatical violations 是语法违反前的负面情绪.ppt

Are the anterior negativities to grammatical violations indexing working memory? Manuel Martin-Loeches, Francisco munoz, Pilar Casado, A. Melcon, C. Fernandez-frias, Psychophysiology 42, 2005, 508-519. Presented by Dora Lu, 09/13/2006 ERP Component: N400 ERP Component: P600 Anterior Negativities Neville et al (1991) Neville et al (1991): difference wave (early) (left) Anterior Negativities A negative component that peaks between 150-600ms after stimulus onset, usually with anterior distribution, sometimes lateralized (e.g. Neville et al 1991) When will (early) (left) Anterior Negativities appear? Grammatical violations Word category violations (disrupt the building of the phrase structure) – early left anterior negativity (e.g. Friederici et al 1996) Syntactic-category violation: The metal was refined by the goldsmith who was honored. The metal was for refined by the goldsmith who was honored. Syntactic-category ambiguity: The metal was for refining melted by the goldsmith who was honored. The metal was/became refining melted by the goldsmith who was honored. Morphosyntactic violations (gender/number agreement, verb inflection violations) – anterior negativity (e.g. Vos et al. 2001) The tourist have a busy schedule and visit the theater that very famous is. The tourist have a busy schedule and visits the theater that very famous is. The tourist that a busy schedule have, visit the theater that very famous is. The tourist that a busy schedule have, visits the theater that very famous is. Working memory demand (Kluender Kutas 1993) What these anterior negativities represent for? Reflect automatic first-pass parsing process, such as detecting morphosyntactic mismatch, inability to build the phrase structure (e.g. Hagoort 2003) Reflecting working memory operation or working memory load. AN have been found in grammatically well-formed sentences that demand large amount of working memory resources. (e.g. Kluender Kutas 1993) The amplitude of LAN to morphosyntactic