Related Experiment Video
Updated: Mar 29, 2026
04:30
An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
Published on: October 25, 2019
6.2K
Syntactic Processing in the Aging Brain: Neural Reorganization, Cognitive Scaffolding, and Implications for Language
1National Research Centre for Foreign Language Education, Beijing Foreign Studies University, Beijing 100089, China.
Brain Sciences
|March 27, 2026
Summary
Older adults maintain syntactic comprehension through brain reorganization, recruiting additional regions like the right hemisphere and cognitive control areas. This neural adaptation, termed Graded Compensation and Cognitive Scaffolding (GCCS), supports language resilience with age.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Aging Research
Background:
- Behavioral studies indicate preserved syntactic comprehension in healthy aging.
- Neural mechanisms underlying this language resilience are debated.
- Neuroimaging and electrophysiological data offer insights into brain reorganization.
Purpose of the Study:
- Synthesize neuroimaging and electrophysiological evidence on aging and syntactic processing.
- Clarify how the aging brain reorganizes to maintain language resilience.
- Investigate neural mechanisms supporting syntactic comprehension in older adults.
Main Methods:
- Systematic literature search across PubMed and Web of Science.
- Included 23 empirical studies comparing older and younger adults.
- Focused on regional activation, functional connectivity, and temporal dynamics in syntactic processing.
Main Results:
- Core left-lateralized language network remains resilient.
- Functional connectivity changes are heterogeneous (reduction and preservation).
- Increased right-hemisphere recruitment and engagement of cognitive control regions (e.g., dlPFC) observed.
- Right-hemisphere recruitment is condition-dependent, serving compensatory roles.
Conclusions:
- Propose the Graded Compensation and Cognitive Scaffolding (GCCS) model for age-related language resilience.
- Language resilience is maintained via graded, condition-dependent neural adaptation.
- Highlight need for methodologically rigorous, longitudinal studies on aging, syntactic processing, and neural basis.
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