Friday, September 10, 2010

Adam Rutherford: Research that harnessed the energy of the BBC has shown claims to progress cognitive duty are dull promises

Neuroscientist Adrian Owen and BBC"s Bang Goes The Theory explode the thought that brain precision improves ubiquitous cognitive function. Nature Video Link to this video

Brain-training games are big business. Self-improvement desires describe us exposed to selling claims that products will have us thinner, healthier, or in the box of brain-training software, smarter.

Enter science, "the blabber-mouth who hull a movie by revelation you how it ends", as Ned Flanders once described it. Until now, there had been meagre experimental interpretation on either or not brain precision essentially improves your cognitive ability.

Alas, investigate published currently in Nature indicates that the probability of mending your ubiquitous cognitive abilities by personification brain-training games is an dull promise. More than 11,000 volunteers were separate in to 3 groups: one who played brain-training-type exercises; a second practised some-more ubiquitous cognitive tests; and a carry out organisation who usually pootled around the internet responding pointless questions. They did this for 6 weeks, bookended by benchmarking tests of memory, logic and alternative customary tests of cognitive function.

All 3 groups displayed alleviation in the tasks they were performing. But all 3 groups additionally showed usually small and identical increases in the benchmarking tests, presumably simply the outcome of repeating the test. Conclusion? Practising brain-training games will urge your opening on brain-training games, but that outcome will not send to alternative aspects of brain function. They will not have you brainier, so you competence as well usually pootle around on the internet. As lead researcher Adrian Owen says: "You"re not going to get improved at personification the wail by practising the violin."

So, once again, scholarship wins out over marketing. But what"s similarly engaging about this investigate is how it came to pass. It"s not an easy charge to get 11,000 volunteers to do what you wish for 6 weeks. Television has that power. The BBC"s Lab UK (which sets up open impasse in large experiments) teamed up with their prime-time scholarship show Bang Goes the Theory and educational scientists to pattern the experiment, partisan the subjects, routine the data, and tell the paper. The formula show will be promote on Wednesday at 9pm in the UK.

BGTT is the de facto homogeneous of Tomorrow"s World. For us of a sure age, Thursday evenings were dominated by Top of the Pops and Tomorrow"s World. So when the BBC voiced this new show, a couple of years after TW had been axed, dorky expectation was piqued. I think TW is not as great as we fondly recollect it, positively in the moribund years. Bang Goes the Theory is most some-more fun and, crucially, most some-more sciencey.

It serves the pretension well, with a total store of crash (mostly delivered by fervent engineer-in-chief Jem), but additionally great theory. It"s no small charge to move scholarship to the masses, but BGTT educates, inspires and entertains. There has been a little lofty critique of it, and comparisons with shows similar to Sky"s foolish Brainiac, that had merely a lot of bang. There are five scholarship degrees drawn out in between the 4 presenters. It competence not be to everyone"s taste, but if you"re celebration of the mass this, you"re probably not twelve years old. Building a water-powered jet pack or vacuum-powered suction rock climbing equipment is in truth a stunt, but in sequence to get an engineering plan similar to that to work, transparent systematic meditative and contrast are a prerequisite. There is sufficient range and consternation in scholarship to house TV programmes trimming from BGTT, by the epic Wonders of the Solar System, to the some-more enigmatic on BBC4.

And besides, they have shown that to one side the waggish stunts, they additionally show good, strong and right away published systematic research. With this brain-training paper comes clearance that peer-reviewed scholarship can have drawn out interest and open involvement. Science is for the rank and file and, when it"s finished right, can engage them, too.

• Declaration of interest: Adam Rutherford is in use by Nature, that published the paper reported on here; he additionally often functions for the BBC in scholarship programming