Processing of affirmation and negation in contexts with unique and multiple alternatives: Evidence from event-related potentials

AbstractWe employ a scenario-sentence-verification paradigm to investigate the role of scenario-given alternatives for the processing of affirmative and negative sentences. We show that for both affirmative and negative sentences the N400 amplitude is larger if the context model provides multiple alternatives for a true sentence continuation relative to the case when it provides only a unique referent. Additionally, we observe a late positivity effect for negative relative to affirmative sentences, independent of the context model.


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