(以下內容引述自BBC News – Electric current to the brain “boosts maths ability”)
…..The latest research goes a step further, using a one milliamp current to stimulate the
parietal lobe of a small number of students…..
…..The current could not be felt, and had no measurable effect on other brain functions…..
…..As it was turned on, the volunteers tried to learn a puzzle which involved substituting
numbers for symbols…..
…..Those given the current from right to left across the parietal lobe did significantly better
when given, compared to those who were given no electrical stimulation…..
…..The direction of the current was important – those given stimulation running in the opposite
direction, left to right, did markedly worse at these puzzles than those given no current,
with their ability matching that of an average six-year-old…..
…..The effects were not short-lived, either. When the volunteers whose performance improved
was re-tested six months later, the benefits appear to have persisted…..
…..There was no wider effect on general maths ability in either group, just on the ability to
complete the puzzles learned as the current was applied…..
…..Dr Cohen Kadosh, who led the study, said: “We are not advising people to go around giving
themselves electric shocks, but we are extremely excited by the potential of our findings and are
now looking into the underlying brain changes…..