Musical Training Can Improve Attention and Working Memory in Children

Researchers say learning an instrument also has positive implications on creativity and quality of life overall for children.

Summary: Children who learn to play musical instruments have an edge over their non-musical peers when it comes to learning, memory, and attention. Those who learn musical instruments showed greater activity in the inferior frontal gyrus and the supramarginal gyrus, which are parts of the “phonological loop”. The phonological loop is associated with working memory involved in auditory processing. Researchers say learning an instrument also has positive implications on creativity and quality of life overall for children.

Source: Frontiers

Neuroscientists have found new evidence that learning to play an instrument may be good for the brain. Musically trained children perform better at attention and memory recall and have greater activation in brain regions related to attention control and auditory encoding, executive functions known to be associated with improved reading, higher resilience, greater creativity, and a better quality of life.

These results are published in the open-access journal Frontiers in Neuroscience.

A team led by Dr Leonie Kausel, a violinist and neuroscientist at the Pontifical Catholic University of Chile and the Universidad del Desarrollo Chile, tested the attention and working memory of 40 Chilean children between 10-13 years of age. Twenty played an instrument, had had at least two years of lessons, practiced at least 2 h a week and regularly played in an orchestra or ensemble.

Twenty control children, recruited from public schools in Santiago, had had no musical training other than in the school curriculum. Their attention and working memory was assessed through the previously developed and validated “bimodal (auditory/visual) attention and working memory (WM) task”. During this task, Kausel et al. monitored brain activity of the children with functional magnetic resonance imaging (fMRI), detecting small changes in blood flow within the brain.

There was no difference between the two groups in reaction time. However, musically trained children did significantly better on the memory task.

“Our most important finding is that two different mechanisms seem to underlie the better performance of musically trained children in the attention and WM memory task,” says Kausel. “One that supports more domain-general attention mechanisms and another that supports more domain-specific auditory encoding mechanisms.”

Here, “domain” refers to how sensorial modalities — types of senses such as heat, sound, or light — are encoded by the brain, while domain-specific vs. -general means that only one vs. more than one sensorial modality is processed, and “mechanism” refers to the neurochemical processes that occur. Both mechanisms seem to have improved function in musically trained children.

For the domain-specific mechanism, brain regions that are more active include the inferior frontal gyrus and the supramarginal gyrus – in the front and center-front of the brain, both part of the so-called “phonological loop”, a working memory system involved in auditory processing, establishing auditory-motor connections, and tonal and verbal auditory working memory.

For the domain-general mechanism, a more active brain region is probably the fronto-parietal control network, a large-scale network composed of various brain regions that deals with executive function, goal-oriented, and cognitively-demanding tasks.

Kausel et al. suspect music training increases the functional activity of these brain networks.

“The next step of the project is to establish the causality of the mechanisms we found for improving attention and working memory,” says Kausel.

“We also aim to make a longitudinal study on musical training with children, evaluating attention and working memory, and the possibility to evaluate a musical training intervention on ADHD children.”

This shows two children playing guitars
There was no difference between the two groups in reaction time. However, musically trained children did significantly better on the memory task. Image is in the public domain.

Does this mean you should sign your kids up for music classes?

“Of course, I would recommend that,” Kausel agrees. “However, I think parents should not only enrol their children because they expect that this will help them boost their cognitive functions, but because it is also an activity that, even when very demanding, will provide them with joy and the possibility to learn a universal language.”

How the study was done

Kausel et al. adapted the bimodal attention and WM memory task from Johnson & Zatorre (2006). Neuroimage 31:1673-81. They asked participants to focus on either one, both, or neither stimuli of a pair: a visual abstract figure and a short melody, presented simultaneously for a duration of 4 s (“encoding phase”). Two seconds later, they asked them to recall both by means of a yes/no recognition task (“memory retrieval phase”). They also measured accuracy of responses and reaction time.

fMRI is a non-invasive technique that measures brain activity in real time: increased blood flow to a region implies increased activity. To determine activity associated with paying attention, Kausel et al. subtracted fMRI data acquired from “passive” trials (i.e. when children passively observe the bimodal stimuli, without a memory recall task) from those acquired during “active” trials (i.e. when children paid attention to auditory and/or visual stimuli). From this, they could identify brain regions associated with paying attention and memory encoding, activated during the encoding phases.

About this music and memory research news

Source: Frontiers
Contact: Mischa Dijkstra – Frontiers
Image: The image is in the public domain.

Original Research:Neural Dynamics of Improved Bimodal Attention and Working Memory in Musically Trained Children” by Leonie Kausel, et al. Frontiers in Neuroscience.


Neural Dynamics of Improved Bimodal Attention and Working Memory in Musically Trained Children

Attention and working memory (WM) are core components of executive functions, and they can be enhanced by training. One activity that has shown to improve executive functions is musical training, but the brain networks underlying these improvements are not well known. We aimed to identify, using functional MRI (fMRI), these networks in children who regularly learn and play a musical instrument. Girls and boys aged 10–13 with and without musical training completed an attention and WM task while their brain activity was measured with fMRI. Participants were presented with a pair of bimodal stimuli (auditory and visual) and were asked to pay attention only to the auditory, only to the visual, or to both at the same time. The stimuli were afterward tested with a memory task in order to confirm attention allocation. Both groups had higher accuracy on items that they were instructed to attend, but musicians had an overall better performance on both memory tasks across attention conditions. In line with this, musicians showed higher activation than controls in cognitive control regions such as the fronto-parietal control network during all encoding phases. In addition, facilitated encoding of auditory stimuli in musicians was positively correlated with years of training and higher activity in the left inferior frontal gyrus and the left supramarginal gyrus, structures that support the phonological loop. Taken together, our results elucidate the neural dynamics that underlie improved bimodal attention and WM of musically trained children and contribute new knowledge to this model of brain plasticity.

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