On the Distinctiveness, Independence, and Time Course of the Brain Responses to Syntactic and Semantic Anomalies
نویسندگان
چکیده
We evaluated the distinctiveness, independence, and relative time courses of the event-related brain potentials (ERPs) elicited by syntactically and semanticallyanomalous words. ERPswere recorded from13 scalp electrodes while subjects read sentences, some of which contained a selectional restriction violation (semantically anomalous), a verb tense violation (syntactically anomalous), or a doubly anomalous word that violated both selectional restriction and verb tense constraints. Semantic anomalieselicited a monophasic increase in N400 amplitude, whereas syntactic anomalies eliciteda late positive shift with an onset around 500 msec and a duration of several hundred msec. Doubly anomalous words elicited both an increase in
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