A longitudinal study of memory advantages in bilinguals

Typically, studies of cognitive advantages in bilinguals have been conducted previously by using executive and inhibitory tasks (e.g. Simon task) and applying cross-sectional designs. This study longitudinally investigated bilingual advantages on episodic memory recall, verbal letter and categorical...

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Published in:PloS one 2013-09, Vol.8 (9), p.e73029-e73029
Main Authors: Ljungberg, Jessica K, Hansson, Patrik, Andrés, Pilar, Josefsson, Maria, Nilsson, Lars-Göran
Format: Article
Language:English
Subjects:
Adult
Advantages
Aged
Aging
Aging - physiology
Bilingualism
Brain research
Cognitive ability
Correlation analysis
Cross-Sectional Studies
Female
Humans
Hypotheses
Language
Longitudinal studies
Male
Memory
Mental Recall - physiology
Middle Aged
Multilingualism
Neuropsychological Tests
Psychology
Recall
Semantics
Studies
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cited_by cdi_FETCH-LOGICAL-c802t-d1faaf9bd5e96132ffb1cf53d114bfa5370da10e9bee9413a0d6c3cac66b901a3
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creator Ljungberg, Jessica K
Hansson, Patrik
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description Typically, studies of cognitive advantages in bilinguals have been conducted previously by using executive and inhibitory tasks (e.g. Simon task) and applying cross-sectional designs. This study longitudinally investigated bilingual advantages on episodic memory recall, verbal letter and categorical fluency during the trajectory of life. Monolingual and bilingual participants (n=178) between 35-70 years at baseline were drawn from the Betula Prospective Cohort Study of aging, memory, and health. Results showed that bilinguals outperformed monolinguals at the first testing session and across time both in episodic memory recall and in letter fluency. No interaction with age was found indicating that the rate of change across ages was similar for bilinguals and monolinguals. As predicted and in line with studies applying cross-sectional designs, no advantages associated with bilingualism were found in the categorical fluency task. The results are discussed in the light of successful aging.
doi_str_mv 10.1371/journal.pone.0073029
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subjects Adult
Advantages
Aged
Aging
Aging - physiology
Bilingualism
Brain research
Cognitive ability
Correlation analysis
Cross-Sectional Studies
Female
Humans
Hypotheses
Language
Longitudinal studies
Male
Memory
Mental Recall - physiology
Middle Aged
Multilingualism
Neuropsychological Tests
Psychology
Recall
Semantics
Studies
title A longitudinal study of memory advantages in bilinguals
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