Electrical stimulation in brain could help boost mental math abilities

Washington, May 17 : For people whose math abilities are not so good, a mild form of brain stimulation may help improve their proficiency.

Researchers from University of Oxford have discovered a harmless form of brain stimulation that can be applied to an area known to be important for math ability.

"With just five days of cognitive training and noninvasive, painless brain stimulation, we were able to bring about long-lasting improvements in cognitive and brain functions," Roi Cohen Kadosh of the University of Oxford, said.

The improvements held for a period of six months after training.

No one knows exactly how the new method of stimulation, called transcranial random noise stimulation (TRNS), works.

But the researchers said that the evidence suggests that it allows the brain to work more efficiently by making neurons fire more synchronously.

Kadosh and his colleagues had shown previously that another form of brain stimulation could make people better at learning and processing new numbers.

He said that TRNS is even less perceptible to those receiving it, asserting that it also has the potential to help more people. That's because it has been shown to improve mental arithmetic-the ability to add, subtract, or multiply a string of numbers in your head, he said.

Kadosh said that ultimately, with better integration of neuroscience and education, this line of study could really help humans reach our cognitive potential in math and beyond. It might also be of particular help to those suffering with neurodegenerative illness, stroke, or learning difficulties.

The findings have been published in the Cell Press journal Current Biology.

--ANI (Posted on 17-05-2013)

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