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How a magnet turned off my speech
...TMS offers a kinder alternative to electroconvulsive therapy, the treatment of last resort for people with severe depression who do not respond to drugs.
Others have used it to treat severe epilepsy, and there are efforts to use it to quieten the voices heard by schizophrenics and to track nerve development in infants.
A few even believe that it could actually enhance cognitive skills.
Prof Allan Snyder, at the University of Sydney believes TMS can act as "a creativity-amplifying machine".
But Prof Walsh is highly sceptical. "Brain stimulation does not release hidden talents and when it is used to improve things in patients, it comes at the cost of blocking some nerve pathways to encourage others."