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SUMMARY:Does computational linguistics help to elucidate brain representat
 ions of lexical meaning? - Dr. Francesca Carota (University of Cambridge\,
  Department of Psychology)
DTSTART:20171103T120000Z
DTEND:20171103T130000Z
UID:TALK82221@talks.cam.ac.uk
CONTACT:Anita Verő
DESCRIPTION:Current computational linguistics offers a wide range of metho
 ds for assessing semantic similarity among words\, basing conceptual meani
 ng either on word co-occurrence vectors or on abstract hierarchical relati
 onships between concepts. To what extent do these different approaches cap
 ture brain information-encoding of lexical meaning? Putting in parallel co
 mputational and neural language processing\, my recent studies provide evi
 dence that both co-occurrence and hierarchical relationships affect brain 
 activity patterns\, but in distinct neuronal networks. Modality-preferenti
 al sensory and motor cortex emphasises hierarchical links among concepts\,
  whilst modality-independent semantic regions distributional statistics. 
LOCATION:FW26\, Computer Laboratory
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