Because TMS allows neuroscientists to turn regions of the brain on and off at will, they can use it to perform repeatable experiments without waiting for someone to walk into their office with a rare lesion that just happens to affect the specific part of the brain they want to study. Allan Snyder, an Australian neuroscientist who popularized TMS as an experimental tool, uses the technique to temporarily induce savantlike artistic skills in otherwise normal people by targeting the left frontotemporal lobe (the same region that is often damaged in savants). After having the left temporal lobe
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