Evidence map›Paper›PMID 34867264›Full record

SynthesisFrontiers in aging neuroscience2021

Does Second Language Learning Promote Neuroplasticity in Aging? A Systematic Review of Cognitive and Neuroimaging Studies.

Caitlin Ware, Sophie Dautricourt, Julie Gonneaud, Gael Chételat

Open access · goldAbstract readSystematic Review
In one paragraph

Synthesis in Frontiers in aging neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.4field-weighted citation impact, top 20% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 25 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Caitlin WarePhIND Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen-Normandie, Normandie Univ, UNICAEN, INSERM, U1237, Caen, France.
Sophie DautricourtPhIND Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen-Normandie, Normandie Univ, UNICAEN, INSERM, U1237, Caen, France.
Julie GonneaudPhIND Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen-Normandie, Normandie Univ, UNICAEN, INSERM, U1237, Caen, France.
Gael ChételatPhIND Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen-Normandie, Normandie Univ, UNICAEN, INSERM, U1237, Caen, France.
Normandie Université · FRInserm · FRPhysiopathologie et imagerie des troubles neurologiques

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

As the population ages, understanding how to maintain older adults' cognitive abilities is essential. Bilingualism has been linked to higher cognitive reserve, better performance in executive control, changes in brain structure and function relative to monolinguals, and delay in dementia onset. Learning a second language thus seems a promising avenue for cognitive enhancement in older adults. Our review aims to determine whether learning a foreign language in later life improves cognition and promotes neuroplasticity. We screened articles from the Pubmed, Scopus, and Science Direct databases to identify interventional studies using second language training in senior participants, including either cognition or neuroimaging as outcome measures. A total of nine articles were found, with only one neuroimaging study. Results from these studies are inconsistent, but tend to suggest that second language learning is associated with improvement in attentional switching, inhibition, working memory, and increased functional connectivity. We discuss the implications of these results, and suggest new directions and methodological recommendations for future research.

Indexed as

cognitive reserveexecutive functioningneuroplasticityolder adultssecond language learning (L2 learning)

Identifiers

PMID34867264
PMCPMC8633567
OpenAlexW3211971110

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.