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Musical instrument training program improves verbal memory and neural efficiency in novice older adults.

ABSTRACT: Previous studies indicate that musical instrument training may improve the cognitive function of older adults. However, little is known about the neural origins of training-related improvement in cognitive function. Here, we assessed the effects of instrumental training program on cognitive functions and neural efficiency in musically naïve older adults (61-85?years old). Participants were assigned to either the intervention group, which received a 4-month instrumental training program using keyboard harmonica, or a control group without any alternative training. Cognitive measurements and functional magnetic resonance imaging during visual working memory (VWM) task were administered before and after the intervention in both groups. Behavioral data revealed that the intervention group significantly improved memory performance on the test that measures verbal recall compared to the control group. Neuroimaging data revealed that brain activation in the right supplementary motor area, left precuneus, and bilateral posterior cingulate gyrus (PCgG) during the VWM task decreased after instrumental training only in the intervention group. Task-related functional connectivity (FC) analysis revealed that the intervention group showed decreased FC between the right PCgG and left middle temporal gyrus, and between the left putamen and right superior temporal gyrus (lPu-rSTG) during a VWM task after the intervention. Furthermore, a greater improvement in memory performance in the intervention group was associated with a larger reduction in lPu-rSTG FC, which might be interpreted as improved neural efficiency. Our results indicate that the musical instrument training program may contribute to improvements in verbal memory and neural efficiency in novice older adults.

SUBMITTER: Guo X

PROVIDER: S-EPMC7927292 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Musical instrument training program improves verbal memory and neural efficiency in novice older adults.

Guo Xia X Yamashita Masatoshi M Suzuki Maki M Ohsawa Chie C Asano Kohei K Abe Nobuhito N Soshi Takahiro T Sekiyama Kaoru K

Human brain mapping 20201208 5

Previous studies indicate that musical instrument training may improve the cognitive function of older adults. However, little is known about the neural origins of training-related improvement in cognitive function. Here, we assessed the effects of instrumental training program on cognitive functions and neural efficiency in musically naïve older adults (61-85 years old). Participants were assigned to either the intervention group, which received a 4-month instrumental training program using key ...[more]

PMID: 33617124

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Project description:Impairment of working memory and executive functions is already frequently observed in early stages of Parkinson's disease. Improvements in working memory performance in this cohort could potentially be achieved via working memory training. However, the specific neural mechanisms underlying different working memory processes such as maintenance as opposed to manipulation are largely under-investigated in Parkinson's disease. Moreover, the plasticity of these correlates as a function of working memory training is currently unknown in this population. Thus, the working memory subprocesses of maintenance and manipulation were assessed in 41 cognitively healthy patients with Parkinson's disease using a newly developed working memory paradigm and functional MRI. Nineteen patients were randomized to a 5-week home-based digital working memory training intervention while the remaining patients entered a control, wait list condition. Working memory task-related activation patterns and context-dependent functional connectivity, as well as the change of these neural correlates as a function of training, were assessed. While both working memory processes activated an extended frontoparietal-cerebellar network, only the manipulation of items within working memory also recruited the anterior striatum. The intervention effect on the neural correlates was small, but decreased activation in areas relevant for working memory could be observed, with activation changes correlating with behavioural change. Moreover, training seemed to result in decreased functional connectivity when pure maintenance was required, and in a reorganization of functional connectivity when items had to be manipulated. In accordance with the neural efficacy hypothesis, training resulted in overall reduced activation and reorganized functional connectivity, with a differential effect on the different working memory processes under investigation. Now, larger trials including follow-up examinations are needed to further explore the long-term effects of such interventions on a neural level and to estimate the clinical relevance to potentially delay cognitive decline in cognitively healthy patients with Parkinson's disease.

Dataset Information

Musical instrument training program improves verbal memory and neural efficiency in novice older adults.

Publications

Musical instrument training program improves verbal memory and neural efficiency in novice older adults.

Similar Datasets

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