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Video games reduce blood flow to the brain: study

People who spend too much time playing video games, especially violent video games, may risk damaging brain function and affect their learning and emotional control, a study released yesterday showed.

Chou Yuan-hua (周元華), a doctor in the Department of Psychiatry at Taipei Veterans General Hospital, enlisted 30 youngsters -- all aged 25 -- as research subjects for the study.

They were given physical examinations to monitor changes in blood circulation in their brains before and after each played a video game for 30 minutes.

The study found that the act of playing video games obviously caused decreased blood flow to the brain, and that the effect is even more pronounced in those playing violent video games.
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