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Age-related Decline in Case-Marker Processing and its Relation to Working Memory Capacity.
1Department of Communication Disorders, Ewha Womans University, Seoul, Korea.
Summary
Aging affects case-marker assignment tasks (CMAT), with older adults showing declines, especially with noncanonical word orders. Working memory capacity and factors like age and education predict performance.
Area of Science:
- Cognitive Neuroscience
- Linguistics
- Psychology
Background:
- Age-related cognitive decline can impact language processing abilities.
- Understanding how working memory capacity influences syntactic processing is crucial.
Purpose of the Study:
- To investigate age-related decline in a case-marker assignment task (CMAT).
- To explore the relationship between working memory (WM) capacity and case-marker processing.
Main Methods:
- 121 participants (62 younger, 59 older adults) completed a CMAT with varying constructions and word orders.
- Working memory capacity was assessed using a composite measure.
Main Results:
- Older adults performed worse than younger adults on the CMAT.
- Noncanonical word order and passive constructions led to poorer performance.
- Age, education, and sentence type were significant predictors of CMAT performance.
Conclusions:
- Word order canonicity and passive voice significantly impact case-marker assignment abilities in aging.
- Age, education, and sentence type collectively explain performance variations.
- Identifying cognitively demanding conditions is key to understanding aging effects in language.
Keywords:
AgingCanonicity of word orderCase-marker processingSyntactic complexityWorking memory capacityMore Related Videos
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