Brain Training in Kids Shows No Real-World Benefits

Summary: Brain training exercises for children do not significantly improve their cognitive control, academic performance, or delay gratification. The research debunks the effectiveness of such programs, showing no long-term brain changes.

Despite improving specific task performance, the benefits did not extend to broader cognitive or behavioral outcomes.

Key Facts:

  1. Brain training exercises did not improve cognitive control or academic achievement in children.
  2. The study showed no changes in brain structure or function after training.
  3. Results suggest focusing on motivational factors rather than cognitive control training.

Source: UCL

Training exercises designed to improve cognitive control in children do not make a significant difference to their ability to delay gratification or to their academic achievement, nor do they lead to any brain changes, finds a new study led by UCL researchers.

The findings, published in Nature Neuroscience, appear to debunk the popular idea that brain training could improve cognitive control – the mental processes that allow us to set and pursue short- or long-term goals – and thereby lead to tangible benefits to other real-life outcomes.

This shows a child looking at models of the brain.
The research team also scanned the children’s brains using MRI, and found no changes in brain structure or function across the entire brain. Credit: Neuroscience News

Lead author Professor Nikolaus Steinbeis (UCL Psychology & Language Sciences) said: “Cognitive control is a very important cognitive function that is positively correlated with prudent decision-making, academic achievement, good social skills and mental health. Children with good cognitive control are also more likely to have better mental health and attainment later in life.

“There is an enormous and growing industry developing brain training programmes purporting to improve children’s cognitive control and as a result other areas of functioning, and yet the evidence for their efficacy has been patchy.”

For the study, 235 children aged six to 13 completed an eight-week training programme designed to train either cognitive control or response speed. The cognitive control training was focussed on response inhibition (the ability to stop oneself from doing an action that is no longer helpful in achieving a goal) and informed by neuroscientific research. They completed a range of gamified tasks, often requiring them to inhibit their impulses.

Before and immediately after the study, as well as one year later, the children were also tested for other outcomes known to be related to cognitive control, including decision-making like delaying gratification, academic achievement, fluid reasoning, mental health and creativity.

The researchers found that immediately after completing the training, and a full year later, the children improved their performance on the specific tasks they trained on.

However, those improvements did not carry over into other skills and there were no improvements in any of the related cognitive or behavioural measures.

The research team also scanned the children’s brains using MRI, and found no changes in brain structure or function across the entire brain. The researchers ran additional statistical analysis which provided strong evidence of the absence of any training effects.

Professor Steinbeis said: “Our findings suggest that even though cognitive control is clearly very important for other real-life outcomes, we simply do not see that training can yield such broader benefits even when trained over an extensive period of time.

“We should stop seeing cognitive control as a skill that can be readily boosted by training exercises, as that is likely a waste of time and resources.

“While our study only investigated a specific set of training exercises, they were designed in line with the best evidence and did improve children’s abilities on the specific tasks themselves, so we find it unlikely that other training exercises would be any better at improving real-life outcomes.

“Instead, it may be better to focus on how we use our cognitive control in practice. We are more able to concentrate and learn effectively when we are motivated, so focusing on motivational factors may be a better way to impact how we use cognitive control to guide our behaviours.”

While the study was conducted only in children, the researchers say that their findings would likely apply to adults as well, as children’s brains are more malleable and thus it would be even more difficult to train such abilities in adults.

The researchers caution that their study did not include clinical populations or children with learning disabilities, so they cannot say whether their findings generalise beyond typically developing children.

The study was conducted by researchers at UCL, McGill University, Washington University in St. Louis, and Radboud University Medical Center.

About this cognitive development research news

Author: Chris Lane
Source: UCL
Contact: Chris Lane – UCL
Image: The image is credited to Neuroscience News

Original Research: Open access.
Cognitive control training with domain-general response inhibition does not change children’s brains or behavior” by Nikolaus Steinbeis et al. Nature Neuroscience


Cognitive control training with domain-general response inhibition does not change children’s brains or behavior

Cognitive control is required to organize thoughts and actions and is critical for the pursuit of long-term goals. Childhood cognitive control relates to other domains of cognitive functioning and predicts later-life success and well-being.

In this study, we used a randomized controlled trial to test whether cognitive control can be improved through a pre-registered 8-week intervention in 235 children aged 6–13 years targeting response inhibition and whether this leads to changes in multiple behavioral and neural outcomes compared to a response speed training.

We show long-lasting improvements of closely related measures of cognitive control at the 1-year follow-up; however, training had no impact on any behavioral outcomes (decision-making, academic achievement, mental health, fluid reasoning and creativity) or neural outcomes (task-dependent and intrinsic brain function and gray and white matter structure). Bayesian analyses provide strong evidence of absent training effects.

We conclude that targeted training of response inhibition does little to change children’s brains or their behavior.

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