Researchers from the Centre for Vision Research at York University in Canada compared a group of 13 young men in their twenties, who had played video games at least four hours a week for the previous three years, to a group of 13 young men without that experience. The subjects were placed in a functional magnetic resonance imaging (fMRI) machine and asked to complete a series of increasingly difficult visuomotor tasks, such as using a joystick or looking one way while reaching another way.
"By using high resolution brain imaging (fMRI), we were able to actually measure which brain areas were activated at a given time during the experiment," said Lauren Sergio, associate professor in the Faculty of Health at York University. "We tested how the skills learned from video game experience can transfer over to new tasks, rather than just looking at brain activity while the subject plays a video game."
The study found that during the tasks the less experienced gamers were relying most on the parietal cortex (the brain area typically involved in hand-eye coordination), whereas the experienced gamers showed increased activity in the prefrontal cortex at the front of the brain.
The finding that using visuomotor skills can reorganize how the brain works offers hope for future research into the problems experienced by Alzheimer's patients, who struggle to complete the simplest visuomotor tasks.
Lead author Joshua Granek added that, in future, it would be interesting to study if the brain pattern changes are affected by the type of video games a player has used and the actual total number or hours he has played, and to study female video gamers, whose brain patterns in earlier studies were different than those of males.
Notes to Editors:
The article is "Extensive video-game experience alters cortical networks for complex visuomotor transformations" by Joshua A. Granek, Diana J. Gorbet, and Lauren E. Sergio, and appears in Cortex, Volume 46, Issue 9 (October 2010), published by Elsevier in Italy. Full text of the article featured above is available to members of the media upon request. Please contact the Elsevier press office, firstname.lastname@example.org. To schedule an interview, contact Dr Lauren E. Sergio, email@example.com.
Cortex is an international journal devoted to the study of cognition and of the relationship between the nervous system and mental processes, particularly as these are reflected in the behaviour of patients with acquired brain lesions, normal volunteers, children with typical and atypical development, and in the activation of brain regions and systems as recorded by functional neuroimaging techniques. It was founded in 1964 by Ennio De Renzi. The Editor in-chief of Cortex is Sergio Della Sala, Professor of Human Cognitive Neuroscience at the University of Edinburgh. Fax: 0131 6513230, e-mail: firstname.lastname@example.org. Cortex is available online at http://www.sciencedirect.com/science/journal/00109452
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