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ERIC Number: EJ906346
Record Type: Journal
Publication Date: 2011-Jan
Pages: 11
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0093-934X
LIFG-Based Attentional Control and the Resolution of Lexical Ambiguities in Sentence Context
Vuong, Loan C.; Martin, Randi C.
Brain and Language, v116 n1 p22-32 Jan 2011
The role of attentional control in lexical ambiguity resolution was examined in two patients with damage to the left inferior frontal gyrus (LIFG) and one control patient with non-LIFG damage. Experiment 1 confirmed that the LIFG patients had attentional control deficits compared to normal controls while the non-LIFG patient was relatively unimpaired. Experiment 2 showed that all three patients did as well as normal controls in using biasing sentence context to resolve lexical ambiguities involving balanced ambiguous words, but only the LIFG patients took an abnormally long time on lexical ambiguities that resolved toward a subordinate meaning of biased ambiguous words. Taken together, the results suggest that attentional control plays an important role in the resolution of certain lexical ambiguities--those that induce strong interference from context-inappropriate meanings (i.e., dominant meanings of biased ambiguous words). (Contains 3 tables and 2 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A