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Comprehending surprising sentences: sensitivity of post-N400 positivities to contextual congruity and semantic relatedness ...
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Comprehending surprising sentences: sensitivity of post-N400 positivities to contextual congruity and semantic relatedness ...
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An exploratory data analysis of word form prediction during word-by-word reading
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In: Proc Natl Acad Sci U S A (2020)
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To catch a Snitch: Brain potentials reveal variability in the functional organization of (fictional) world knowledge during reading
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In: J Mem Lang (2020)
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Muggle or magical?: Electrophysiological investigations of variation in the language-knowledge interface during reading
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Similar time courses for word form and meaning preactivation during sentence comprehension
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When a hit sounds like a kiss: an electrophysiological exploration of semantic processing in visual narrative
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Elaboration over a Discourse Facilitates Retrieval in Sentence Processing.
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Hemispheric differences and similarities in comprehending more and less predictable sentences
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Elaboration over a Discourse Facilitates Retrieval in Sentence Processing
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Quantifiers are incrementally interpreted in context, more than less
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Metaphors are physical and abstract: ERPs to metaphorically modified nouns resemble ERPs to abstract language
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Close, but no garlic: Perceptuomotor and event knowledge activation during language comprehension
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Different mechanisms for role relations versus verb-action congruence effects: Evidence from ERPs in picture-sentence verification
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Subject/object processing asymmetries in Korean relative clauses: Evidence from ERP data
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Grammatical number agreement processing using the visual half-field paradigm: An event-related brain potential study
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Getting it right: Word learning across the hemispheres
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Abstract:
The brain is able to acquire information about an unknown word’s meaning from a highly constraining sentence context with minimal exposure. In this study, we investigate the potential contributions of the cerebral hemispheres to this ability. Undergraduates first read weakly or strongly constraining sentences completed by known or unknown (novel) words. Subsequently, their knowledge of these words was assessed via a lexical decision task in which they served as visual primes for lateralized target words varying in their semantic relationship to the primes (unrelated, identical or synonymous). As expected, smaller N400 amplitudes were seen for target words preceded by identical (vs. unrelated) known word primes, regardless of visual field of presentation. When Unknown words served as primes, N400 reductions to synonymous target words were observed only if the prime had appeared under High sentential constraint; targets appearing in the LVF/RH elicited a small N400 effect and modulation of a subsequent late positivity whereas those in the RVF/LH elicited modulation on the late positivity only. Unknown words initially seen in Low constraint contexts showed priming effects only in a late positivity and only in the RVF/LH. Strength of contextual constraint clearly seems to impact the hemispheres’ rapid acquisition of novel word meanings. N400 modulation for novel words under strong contextual constraint in the LVH/RH suggests that fast-mapped lexical representations may initially activate meanings that are weakly, distantly, associatively or thematically-related. More extensive and bilateral semantic processing seems to occur at longer processing latencies (post N400).
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Keyword:
Article
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URL: https://doi.org/10.1016/j.neuropsychologia.2013.01.027 http://www.ncbi.nlm.nih.gov/pubmed/23416731 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3656665
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