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Brain training 'boost' questioned

2010-04-21 12:35:21

Brain training games do not improve overall brain power, a scientific study

launched by the BBC suggests.

The largest ever investigation followed 11,430 people over six weeks to see

what effect, if any, playing brain training computer games would have.

While players got progressively better at the games, the gains were not

transferable, Nature journal reports.

Players gained nothing in terms of general reasoning, memory, planning or

visuospatial abilities, experts found.

But they say more work is needed to see if workouts for the mind can help keep

the brain "fit" as it ages.

More research will tell us if these games have any effect on cognition as we

age

Rebecca Wood of the Alzheimer's Research Trust

Leading game maker Nintendo said their Dr Kawashima brain training games did

not claim to be scientifically proven to improve cognitive function.

In a statement it said the games require users to perform a number of "fun

challenges incorporating simple arithmetic, memorization and reading".

"In this way it is like a workout for the brain and the challenges in the game

can help stimulate the player's brain," it said.

Put to the test

All of the study volunteers were viewers of the BBC One science programme Bang

Goes The Theory.

The games tested were designed by scientists from the Medical Research Council

and the Alzheimer's Society.

To test the games, participants were asked to do brain training "workouts" for

at least 10 minutes a day, three times a week for a minimum of six weeks.

All were randomly assigned to one of three brain training groups.

For a third of the volunteers, the sessions were designed to train their

reasoning powers, planning and problem-solving skills.

The second group played games designed to train short-term memory, attention,

mathematical abilities and visuospatial skills.

The remaining third were given web-browsing tasks that didn't target any

specific cognitive skills.

Tests before and after the training showed none of the interventions boosted

people's ability to do everyday thinking tasks, although they did get better at

playing the individual games and the specific cognitive tasks these involved.

Dr Adrian Owen, a neuroscientist at the Medical Research Council, said: "The

results are clear.

"Statistically, there are no significant differences between the improvements

seen in participants who played our brain training games, and those who just

went on the internet for the same length of time."

Clive Ballard of the Alzheimer's Society said: "This evidence could change the

way we look at brain training games and shows staying active by taking a walk

for example is a better use of our time."

Rebecca Wood of the Alzheimer's Research Trust said: "This suggests that 'brain

training' does not improve people's cognitive ability.

"More research will tell us if these games have any effect on cognition as we

age."

is on BBC One, Wed 21 April, 2100 BST and afterwards on iPlayer.

Story from BBC NEWS:

http://news.bbc.co.uk/go/pr/fr/-/2/hi/health/8630588.stm

Published: 2010/04/20 17:08:15 GMT