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UID:20260630T020949EDT-3866CDL7Gb@132.216.98.100
DTSTAMP:20260630T060949Z
DESCRIPTION:The Centre for Research on Language\, Mind and Brain welcomes D
 r.\nGina Kuperberg\, who will present a Distinguished Lecture entitled\n'S
 treams of Language Processing in the Brain: evidence from ERPs\nand fMRI.'
  Dr. Kuperberg is an Associate Professor (Psychology) at\nTufts University
  and an Associate Psychiatrist (Psychiatry) at\nMass. General Hospital and
  Martinos Center for Biomedical\nImaging\nAbstract:\n\nTraditional models 
 of sentence comprehension have generally\nfocused on the syntactic mechani
 sms by which words are integrated\nto construct higher order meaning. The 
 assumption here is that\nsingle words are retrieved from the lexicon and t
 hen combined\ntogether through their syntactic representations. Any materi
 al\nstored within semantic memory\, beyond the single word\, is assumed\nt
 o exert its influence by directly influencing syntactic\ncombination or du
 ring a later phase of processing. I will discuss\ndata using event-related
  potentials (ERPs) and functional Magnetic\nResonance Imaging (fMRI) studi
 es of language comprehension that\nchallenge such assumptions. I will sugg
 est that word-by-word\nsyntactic-based combination operates in parallel wi
 th semantic\nmemory-based mechanisms\, giving rise to a highly dynamic sys
 tem\,\nwith additional analysis occurring when the outputs of these\ndisti
 nct but interactive neural streams of processing contradict\none another.
 \nThe parallel operation of these processing streams gives rise to\na high
 ly dynamic interactive and balanced system that may be a\nfundamental aspe
 ct of language comprehension\, ensuring that it is\nfast and efficient\, m
 aking maximal use of our prior experience\, but\nalso accurate and flexibl
 e in the face of novel input. Indeed\, it\nmay be a more general feature o
 f comprehension outside language\ndomain: I will present data suggesting t
 hat analogous streams of\nprocessing may be engaged during our comprehensi
 on of real-world\nvisual events\, depicted in short\, silent video-clips.
 \nFinally\, I will suggest that imbalances between\nsemantic memory-based 
 and combinatorial streams of processing may\nhelp explain patterns of lang
 uage abnormalities in various\ndisorders. In particular\, I will briefly d
 iscuss the syndrome of\nschizophrenia – a common neuropsychiatric disorder
  in which\nlanguage processing can be dominated by semantic associations\,
  at\nthe expense of syntactic-based combination\, possibly leading to\nsym
 ptoms of psychosis.\n
DTSTART:20100421T173000Z
DTEND:20100421T190000Z
LOCATION:Stewart Biology Building\, CA\, QC\, Montreal\, H3A 1B1\, 1205 ave
 nue du Docteur-Penfield
SUMMARY:Dr. Gina Kuperberg: CRLMB Distinguished Lecture Series
URL:/channels/event/dr-gina-kuperberg-crlmb-distinguis
 hed-lecture-series-115188
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