Successful language processing requires speaker and hearer to dynamically create richly structured representations within a few hundred milliseconds of encountering each new word.
Our group asks how this feat is achieved, whether it is achieved in the same fashion across languages with varying word order and morphological markers, what are the possible neural encoding mechanisms for richly structured information and how the dynamics of language processing differ in adult native speakers, child and adult language learners, or in atypical learners.
Some distinctive features of the Maryland group include its expertise in cross-language research (e.g., recent studies on Japanese, Hindi, Mandarin, Portuguese, Basque, Russian, American Sign Language and Spanish); its use of diverse tools to investigate language-related processes (reading time, eye-movement measures, EEG and MEG measures of millisecond-grain brain activity and fMRI measures of brain localization); and its work involving neuro-computational modeling of language processing and studies of developmental and atypical populations. The rich network of connections between investigators make it feasible to try to seamlessly align insights from formal grammars with findings from psycho/neurolinguistics and computational neuroscience, often in ways that we could not have imagined a few years ago.
Research in psycholinguistics at Maryland is not pursued as a separate enterprise, but rather is closely integrated into all research areas of the department and the broader language science community. Weekly research group meetings primarily feature student presentations of in-progress research and typically attract 20-30 people.
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Null Objects in Korean: Experimental Evidence for the Argument Ellipsis Analysis
Experimental evidence supports an analysis of Null Object constructions in Korean as instances of object ellipsis.
Null object (NO) constructions in Korean and Japanese have receiveddifferent accounts: as (a) argument ellipsis (Oku 1998, S. Kim 1999, Saito 2007, Sakamoto 2015), (b) VP-ellipsis after verb raising (Otani and Whitman 1991, Funakoshi 2016), or (c) instances of base-generated pro (Park 1997, Hoji 1998, 2003). We report results from two experiments supporting the argument ellipsis analysis for Korean. Experiment 1 builds on K.-M. Kim and Han’s (2016) finding of interspeaker variation in whether the pronoun ku can be bound by a quantifier. Results showed that a speaker’s acceptance of quantifier-bound ku positively correlates with acceptance of sloppy readings in NO sentences. We argue that an ellipsis account, in which the NO site contains internal structure hosting the pronoun, accounts for this correlation. Experiment 2, testing the recovery of adverbials in NO sentences, showed that only the object (not the adverb) can be recovered in the NO site, excluding the possibility of VP-ellipsis. Taken together, our findings suggest that NOs result from argument ellipsis in Korean.
Enough time to get results? An ERP investigation of prediction with complex events
How quickly can verb-argument relations be computed to impact predictions of a subsequent argument? This paper examines the question by comparing two kinds of compound verbs in Mandarin, and neural responses to the following direct object.
Syntactic category constrains lexical access in speaking
When we choose which word to speak, do nouns and verbs compete, when the express similar concepts? New evidence says No: syntactic category plays a key role in limiting lexical access.