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There is a controversy about video games even among scientists because ----.
Video games are likely to affect the way we behave in a
number of ways. For instance, there is concern about
whether violence in games makes young people more
violent. This is controversial even within the scientific
community. Numerous studies about the effects of
games on the brain have come up with conflicting
results. A team of scientists gathered all scientific
articles to date and compared results. In total they
found 116 experiments, the first from the 1980s. Many
compared regular video game players with people who
had never played. Changes in the brain were measured
using techniques which detect whether brain regions
increase or reduce in size and how these changes
affect the brain’s activity. The study found that the
clearest negative impact is the risk of addiction, which
could affect other brain functions. Games that heavily
rely on online multiplayer modes are the most
associated with addiction, due to social interactions
being more rewarding than just playing against the
computer. However, since video games usually display
increasing levels of difficulty, they are continually
challenging our skills, making the brain perform at 100%
of its capacity, resulting in effective cognitive training.
Video games also contribute to the proper functioning of
the brain, and can even improve it.