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Bilingualism and Aging: Implications for (Delaying) Neurocognitive Decline
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In: Front Hum Neurosci (2022)
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Gender attraction in sentence comprehension
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In: Glossa: a journal of general linguistics; Vol 6, No 1 (2021); 20 ; 2397-1835 (2021)
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Bilingualism is a long-term cognitively challenging experience that modulates metabolite concentrations in the healthy brain
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In: Scientific Reports ; 11 (2021). - 7090. - Springer Nature. - eISSN 2045-2322 (2021)
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Abstract:
Cognitively demanding experiences, including complex skill acquisition and processing, have been shown to induce brain adaptations, at least at the macroscopic level, e.g. on brain volume and/or functional connectivity. However, the neurobiological bases of these adaptations, including at the cellular level, are unclear and understudied. Here we use bilingualism as a case study to investigate the metabolic correlates of experience-based brain adaptations. We employ Magnetic Resonance Spectroscopy to measure metabolite concentrations in the basal ganglia, a region critical to language control which is reshaped by bilingualism. Our results show increased myo-Inositol and decreased N-acetyl aspartate concentrations in bilinguals compared to monolinguals. Both metabolites are linked to synaptic pruning, a process underlying experience-based brain restructuring. Interestingly, both concentrations correlate with relative amount of bilingual engagement. This suggests that degree of long-term cognitive experiences matters at the level of metabolic concentrations, which might accompany, if not drive, macroscopic brain adaptations. ; published
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Keyword:
ddc:400
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URL: https://doi.org/10.1038/s41598-021-86443-4 http://nbn-resolving.de/urn:nbn:de:bsz:352-2-eh5lxsgbuamz9
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Determinants of bilingualism predict dynamic changes in resting state EEG oscillations
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In: Brain and Language ; 223 (2021). - 105030. - Elsevier. - ISSN 0093-934X. - eISSN 1090-2155 (2021)
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On the status of transfer in adult third language acquisition of early bilinguals
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In: PLoS One (2021)
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Parsing preferences and individual differences in non-native sentence processing: evidence from eye-movements
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What Have We Learned About Bilingualism? Regarding Nichols et al. (2020)
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The cognitive and neurological effects of bilingualism on healthy ageing and the progression of dementia: a longitudinal study ...
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Event related potentials at initial exposure in third language acquisition : Implications from an artificial mini-grammar study
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In: Journal of Neurolinguistics ; 56 (2020). - 100939. - Elsevier. - ISSN 0911-6044. - eISSN 1873-8052 (2020)
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A systematic review of transfer studies in third language acquisition
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Low proficiency does not mean ab initio: A methodological footnote for linguistic transfer studies
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Terminology Matters On Theoretical Grounds Too! : Coherent Grammars Cannot Be Incomplete
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In: Studies in Second Language Acquisition ; 41 (2019), 2. - S. 257-264. - ISSN 0272-2631. - eISSN 1470-1545 (2019)
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