Brain Training Plays No Role at Making You Smarter

Cognitive training may enhance the activity of brain regions involved in regulating an individual's desire for immediate or risky rewards.

Online brain training programs claim many brain benefits, but there is no definitive evidence for their effectiveness. The commercial brain-training program Lumosity has no effect on decision-making or brain activity in young adults, suggests a randomized, controlled trial.

In early 2016, Lumos Labs was fined 2 million dollars for deceptive advertising claims that its web-based cognitive training software, Lumosity, can lead to success in school and at work and delay cognitive decline from aging, among other benefits. Results from previous studies of adaptive commercial brain-training programs, which adjust difficulty in response to user performance, are mixed.

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‘Brain training programs claim to improve intelligence and cognitive skills like memory, attention, processing speed, and problem solving ability by tapping into our brain’s plasticity.’

Some suggest that cognitive training may enhance the activity of brain regions involved in regulating an individual's desire for immediate or risky rewards over more conservative choices. Joe Kable and Caryn Lerman of the University of Pennsylvania find no evidence for this hypothesis in their study of 128 young adults randomly assigned to either 10 weeks of training with Lumosity or an active control condition in which they played non-adaptive video games.

Both groups improved to a similar extent on standard cognitive assessments, and this improvement was also similar to that of young adults in a follow-up study who received no intervention. Functional magnetic resonance imaging analysis revealed no differences in brain activity between training conditions during decision-making tasks. The study appears in The Journal of Neuroscience.

Source-ANI

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