White-matter microstructure of the splenium modulates right hemisphere ERP correlates of syntactic processing in older adults

Chen, Po-Heng; Lin, W. S.; Wong, Jen-Shiang; Tseng, Wen‐Yih Isaac; Goh, Joshua Oon Soo; Lee, Chia-lin

doi:10.31234/osf.io/6wnr9

Cited by 1 publication

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References 51 publications

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“…More generally, these results also corroborated prior findings showing that syntactic processing is resilient to brain aging (Shafto & Tyler, 2014;Tyler et al, 2010). The more frontal-central shifting P600 effect in older adults, relative to the central-posterior P600 effect in young adults, is also consistent with past findings on number agreement errors (Kemmer et al, 2004), which may reflect shifts in hemispheric dominance for the P600 response (see Chen et al, 2022;Leckey & Federmeier, 2017;and Kemmer et al, 2004, for relevant discussions).…”

Section: Preserved P600 Referential Mismatch Effect In Older Adultssupporting

confidence: 90%

Age-related differences in understanding pronominal reference in sentence comprehension: An electrophysiological investigation.

Lee,

Lai

2024

Psychology and Aging

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This study aimed to investigate how age affects the ability to comprehend sentence meaning, specifically how individuals resolve pronouns to their corresponding nouns. The study included 34 young participants (20-29 years old) and 34 older participants (60-81 years old). The participants were presented with sentences containing two characters and a third-person singular pronoun. Stereotypical genders associated with character names were manipulated such that the pronoun had either one, two, or no possible antecedents, rendering the pronoun referentially unambiguous, ambiguous, or mismatched, respectively. Consistent with the prior findings on preserved syntactic processing with advanced age, event-related potential data time-locked to the critical pronouns showed a P600 effect to mismatched pronouns regardless of age. These results indicate that older adults, like their younger counterparts, have a strong preference for readily available antecedents. When the pronoun was ambiguous, younger adults showed a typical Nref effect-a sustained anterior negativity associated with elaborative inferencing to search for the referent. Older adults did not exhibit this effect, suggesting a reduction in elaborative processes for establishing coherence. Nevertheless, the Nref response to ambiguous pronouns was observed in a subset of older adults, who also showed a Nref instead of P600 response to mismatched pronouns. Overall, individuals who elicited the Nref response to ambiguous pronouns were associated with a higher level of print exposure, suggesting that life-long reading experience may help to counteract age-related decline. Together, these findings help characterize the differential effects of aging on pronominal understanding and provide initial electrophysiological evidence of the protective benefit of print exposure on language processing in the aging population.

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Section: Preserved P600 Referential Mismatch Effect In Older Adultssupporting

confidence: 90%

Age-related differences in understanding pronominal reference in sentence comprehension: An electrophysiological investigation.

Lee,

Lai

2024

Psychology and Aging

Self Cite

View full text Add to dashboard Cite

show abstract

White-matter microstructure of the splenium modulates right hemisphere ERP correlates of syntactic processing in older adults

Cited by 1 publication

References 51 publications

Age-related differences in understanding pronominal reference in sentence comprehension: An electrophysiological investigation.

Age-related differences in understanding pronominal reference in sentence comprehension: An electrophysiological investigation.

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