The researchers also looked at studies exploring brain regions associated with the reward system, and how these are related to video game addiction. The average age of gamers has been increasing, and was estimated to be 35 in 2016.
Changing technology also means that more people are exposed to video games.
Over the years, the media have made various sensationalist claims about video games and their effect on our health and happiness.
"Games have sometimes been praised or demonized, often without real data backing up those claims.
Many committed gamers play on desktop computers or consoles, but a new breed of casual gamers has emerged, who play on smartphones and tablets at spare moments throughout the day, like their morning commute.
So, we know that video games are an increasingly common form of entertainment, but do they have any effect on our brains and behavior?
Rob was married for 10 years and never played video games together with his former wife.
Research to date suggests that playing video games can change the brain regions responsible for attention and visuospatial skills and make them more efficient. Video games are becoming more common and are increasingly enjoyed by adults.
We had been watching a lot more television the last few months. I didn't have to power off my gaming habit permanently to maintain a happy marriage, even through I was prepared to do so, as I love my wife very much.
After my experience, I wondered if other married gamers have had to flip the off switch, so I reached out to some of my married gamer buddies to ask them if video games caused problems with their marriages.
There is also evidence that video games can increase the size and efficiency of brain regions related to visuospatial skills.
For example, the right hippocampus was enlarged in both long-term gamers and volunteers following a video game training program.