La ricercatrice Daphne Bavelier risponde alla domanda “How do fast-paced video games affect the brain?” con dati che rivelano gli effetti positivi sul cervello di un uso ragionevole dei videogames, in particolar modo in termini di velocità di apprendimento, attenzione, ampiezza del campo visivo.
Aggiungo che gli effetti semmai negativi andrebbero ricercati nelle alterazioni della sfera sociale, conseguenti ad un “uso non più ragionevole” dell’intrattenimento digitale.
Daphne Bavelier: Your brain on video games | Video on TED.com.
BBC News – Video games “can improve vision”
Researchers found playing the games improved the ability to notice even very small changes in shades of grey against a uniform background.
U.S. Navy – Video Games Improve Brains, “Fluid Intelligence”
We have discovered that video game players perform 10 to 20 percent higher in terms of perceptual and cognitive ability than normal people that are non-game players.
MSNBC – “Grand Theft Auto” may improve decision-making skills
Now scientists find action gamers apparently are better at making quick and accurate decisions, ones based on details they extract from their surroundings.
East Carolina University – ECU study shows casual video games relieve stress
These exciting results confirm anecdotal evidence that people are playing casual video games to improve their mood and decrease their stress, and herald casual games’ potential in health promotion, disease prevention, and treatment of stress- and mood-related disorders.
The Boston Globe – How video games are good for the brain
Fast-paced, action-packed video games have been shown, in separate studies, to boost visual acuity, spatial perception, and the ability to pick out objects in a scene. Complex, strategy-based games can improve other cognitive skills, including working memory and reasoning.
Gore did some counting, and realized that after putting about 150 people in the same building, things at GORE-TEX just did not run smoothly. People couldn’t keep track of each other. Any sense of community was gone.
So Gore made the decision to cap his factories at 150 employees.
“Whenever they needed to expand the company,” Dunbar says, “he would just build a new factory. Sometimes right on the parking lot next door.”
Un interessantissimo articolo del canale radio americano NPR sulla storia del Numero di Dunbar e su come questo limite cognitivo teorico di tipo ancestrale si rifletta su vari aspetti della vita di una persona, Facebook incluso.
via Don’t Believe Facebook; You Only Have 150 Friends : NPR.