A decline in memory as a result of ageing can be temporarily reversed using a harmless form of electrical brain stimulation, scientists have found. The findings help explain why certain cognitive skills decline significantly with age and raise the prospect of new treatments.

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A decline in memory as a result of ageing can be temporarily reversed using a harmless form of electrical brain stimulation, scientists have found. The findings help explain why certain cognitive skills decline significantly with age and raise the prospect of new treatments.