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Now, cross-train your way to better learning

News Agencies | Updated on: 27 July 2017, 10:43 IST
(ANI)

Turns out, just as athletes cross-train to improve their physical skills, one can enhance his or her cognitive skills.

A comprehensive new study from University of Illinois of 318 healthy young adults found that combining physical exercise and mild electric brain stimulation with computer-based cognitive training promoted skill learning significantly more than using cognitive training alone.

The enhanced learning was skill-specific and did not translate to general intelligence.

"Learning provides the foundation for acquiring new skills and updating prior beliefs in light of new knowledge and experience," said study leader Aron Barbey. "Our results establish a method to enhance learning through multimodal intervention. The beneficial effects of cognitive training can be significantly enhanced with the addition of physical fitness training and noninvasive brain stimulation."

Psychologists have extensively studied and debated the merits of cognitive training, but have mainly focused on computer-based tasks, Barbey said. The few studies that have incorporated other training modalities, such as physical fitness training or noninvasive brain stimulation, have been small in sample size, short in time or narrow in scope, he said.

The Illinois study divided its numerous subjects into five groups: three experimental groups and active and passive control groups. One experimental group received only cognitive training; the second group received cognitive training and exercise; and the third group received cognitive training, exercise and noninvasive brain stimulation delivered by electrodes on the scalp.

The active control group completed different computer-based cognitive training tasks than the experimental group, but did the same number of sessions of the same amount of time as the experimental group. In the first week, participants took a pretest. In the following 16 weeks, the experimental and active groups completed 90-minute training sessions three times a week. In the final week of the study, all participants took a post-test.

"Physical activity and aerobic fitness are known to have beneficial effects on the underlying structures and functions of the brain," said Barbey. "And research has shown that specific brain stimulation protocols can enhance cognitive performance, prompting us to investigate their effects on cognitive training."

The study used six different training tasks, designed to measure specific cognitive skills such as memory, attention and task-switching. In the post-test, the groups that received cognitive training and physical fitness training or all three interventions performed significantly better than the group with cognitive training alone.

The group that received all three interventions consistently performed the best, and showed substantial gains in two of the tasks over the group that received cognitive and physical fitness training but did not receive brain stimulation.

The study is published in the journal Scientific Reports. 

-ANI

First published: 27 July 2017, 10:43 IST
 
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