Video games might offer a small boost to memory and mental skills

Playing video games might offer a modest boost to various mental skills, helping players process information and remember details more effectively. A recent overarching review of dozens of studies found that gaming is associated with minor performance benefits across different age groups and research designs. The research was published in the journal Acta Psychologica.

Cognitive ability refers to the human capacity to receive, process, store, and retrieve information. This broad category includes everyday mental functions like paying attention, visualizing objects in physical space, and remembering past events. These skills predict a wide range of life outcomes, from academic success to general health. Because mental sharpness tends to decline as people grow older, researchers look for ways to maintain and enhance brain function over a lifespan.

Cognitive training involves repeating standardized mental tasks to strengthen specific brain capabilities. Video games are considered a prime medium for this kind of training because they feature structured goals, adjustable difficulty settings, and immediate feedback. Rumei Zhao of Shanghai Normal University and colleagues investigated whether spending time in digital worlds actually translates to better everyday mental performance. Along with co-corresponding authors Xuechen Ding and Junyi Li, Zhao analyzed data covering a wide array of game genres.

The idea that gaming changes the brain relates to neuroplasticity, which is the brain’s ability to reorganize its physical connections in response to new experiences. Some researchers propose a “learning to learn” theory. This concept suggests people who navigate challenging game mechanics improve their general problem-solving strategies, which then transfer over to real-world situations. Other experts remain skeptical of these benefits, arguing that playing a specific video game usually only makes a person better at that one particular game.

To resolve some of these conflicting ideas, the research team pooled data from 133 independent studies. This process yielded a large sample of 14,245 participants. The researchers divided the gathered literature into three distinct mathematical analyses based on how the original studies were designed.

Their first analysis looked at correlational research, which simply surveys people about their gaming habits and compares those habits to their scores on mental assessments. The team found a weak but positive association between playing games and overall mental ability. When breaking down the specific skills, memory was the only domain that showed a reliable connection to gaming time.

It is entirely possible that individuals who play games frequently recruit memory-driven skills during their sessions. However, this type of research cannot prove that games cause better memory. It remains equally possible that people with naturally strong memories are drawn to gaming in the first place.

The second analysis focused on direct comparisons between dedicated gamers and non-gamers. In these studies, experienced players generally outperformed non-players on a variety of cognitive tests. The gamers showed superior performance across multiple domains, including spatial ability, visual attention, and intelligence. Spatial ability is the mental skill used to visualize and rotate objects in the mind’s eye.

Scientists test spatial ability by asking participants to look at a folded paper shape and mentally unfold it to match a distinct target. Gamers also showed greater cognitive control than their non-gaming peers. Cognitive control acts as the brain’s command center, helping a person suppress impulsive behaviors and smoothly switch between different rules or tasks. In a laboratory setting, this is often measured by observing how quickly a subject can stop a planned physical movement when a red light flashes on a screen.

Video games often demand intense focus and quick reactions over extended periods. Playing them may encourage the neural adaptations needed to process chaotic information efficiently. The third analysis evaluated controlled trials, where researchers assign people to play video games for a set period and measure the subsequent changes in their mental abilities. This experimental approach provides the strongest evidence for cause and effect.

The team found that video game interventions resulted in a minor overall improvement in mental performance compared to alternative activities or resting control groups. When examining specific skills, memory once again stood out as the isolated beneficiary. The researchers suspect that the enriching nature of virtual environments plays a large role in supporting memory formation. Modern games often feature sprawling simulated worlds, and exploring these digital maps might challenge the brain similar to the way navigating physical spaces does.

Gaming also provides frequent and predictable rewards, such as completing a level or uncovering hidden items. This constant loop of action and reward is somewhat unique to interactive media, setting games apart from passive entertainment like watching television. These in-game rewards trigger the release of dopamine in the brain. Dopamine is a chemical messenger often associated with pleasure and motivation, but it also serves as an essential component for cementing new memories.

When dopamine is released during an engaging activity, it helps the brain recognize that specific information is worth keeping. This chemical boost may encourage more focused practice while simultaneously strengthening the neural circuits responsible for long-term memory consolidation. The analyzed sample was quite diverse, covering all age ranges from children to older adults. It included healthy individuals as well as clinical participants, such as patients with depression or multiple sclerosis.

Some experts suggest that clinical populations might have a larger capacity for mental adaptation when introduced to digital interventions. Designing specialized games for these groups could provide them with customized and easily tracked rehabilitation exercises. The scientists also looked at whether outside variables changed the magnitude of the mental benefits. They categorized the interventions by specific game genres, including real-time strategy titles, puzzle games, motion-sensing activities, and shooting games.

Even though some past studies have suggested that specific genres are better at boosting visual attention, the game type did not significantly affect the outcomes in this broader analysis. Other variables like participant gender, age group, and cultural context also did not significantly alter the findings. The research team evaluated the quality of the included studies using established academic guidelines. These checklists look at how well a study defines its participant groups, measures its variables, and handles confusing background data.

A study might be docked points if it failed to use a proper control group or if the assessors knew which participants were receiving the gaming intervention. The majority of the studies were rated as having medium quality based on these measures. Very few met the absolute highest criteria for experimental rigor. Removing the lower-quality studies from the math did not significantly change the overall conclusions.

This consistency gives the researchers confidence that the modest mental benefits associated with gaming are not simply statistical illusions. Still, the reliance on moderate-quality evidence means these results should be interpreted with some caution. The ways researchers measured cognitive skills varied widely, with some relying on unverified self-report surveys instead of objective computer tests. The included studies also varied widely in their intervention protocols.

Participants in some experiments played games for just a few minutes, while others played for dozens of hours spread over several weeks. This inconsistency makes it hard to establish an ideal dosage for digital brain training. The lack of long-term tracking data also prevents researchers from knowing if the mental benefits fade away after a person unplugs the console. Stricter experimental setups that track participants over extended periods will be necessary to see if gaming offers any lasting protection against age-related mental decline.

For now, the existing data encourages a shift in how society views digital recreation. While games should not replace traditional learning or physical exercise, they might act as an engaging supplement for keeping the mind active.

The study, “The association between video game play and cognitive ability: A systematic review and meta-analysis,” was authored by Rumei Zhao, Kunzhen Pang, Jie Yu, Wanyan Zhang, Xiaoxue Kong, Jiyueyi Wang, Aersheng Haidabieke, Xuechen Ding, and Junyi Li.