Abstract:
:Effects of normal aging on the use of sentence context information during language comprehension were examined by measuring younger and older adults' event-related potential (ERP) responses to congruent sentence-final words as a function of contextual constraint. Half of the sentence contexts were strongly constraining, rendering the target word very predictable, whereas the other half were weakly constraining. Both age groups elicited smaller N400 responses to target words in strongly than in weakly constrained contexts, but this effect was significantly smaller and later for older adults. Older adults with lower reading spans showed greater delays. Age-related changes were driven primarily by decreases in older adults' ability to make use of the richer information available from strongly constraining contexts to guide semantic processing, as word processing (N400s) in weak contexts was qualitatively and quantitatively similar in the two age groups.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Federmeier KD,Kutas Mdoi
10.1111/j.1469-8986.2005.00274.xsubject
Has Abstractpub_date
2005-03-01 00:00:00pages
133-41issue
2eissn
0048-5772issn
1540-5958pii
PSYP274journal_volume
42pub_type
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