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Chicago's CHICAGO (CBS) — Research presented at the Chicago
meeting of the Radiological Society of North America has found a
first-ever physiologic link between playing violent video games
and changes in behavior. As WBBM Newsradio’s Mike Krauser
reports, Indiana University radiology professor Dr. Vincent
Mathews showed changes in brain scan images among 18- to
29-year-old men who played first-person shooter games rated “M”
or “mature” for about 10 hours a week. LISTEN: WBBM Newsradio’s
Mike Krauser reports “What we think is that our results may be
an explanation for these behavioral studies that showed
increased aggressive behavior following a violent video game, so
this actually is a physiologic explanation,” Mathews said. For
the study, 22 healthy young men with low past exposure to
violent video games were assigned to two groups. One group of 11
was asked to play a violent video game for about 10 hours at
home for the first week of study, then quit p