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John Woodard quoted in Prevention magazine article examining cognitive engagement and bilingualism
January 10, 2013
A new study published in the Journal of Neuroscience shows that older subjects who are in the habit of speaking two languages use less energy as they alternate between mental tasks. By using brain scans, experts were able to demonstrate not only the validity of the hypothesis, but exactly how cognitive engagement changes the brain. John Woodard, an aging expert and psychology professor from Wayne State University, said this is a stepping stone to answering the question of what's causing brain differences between older adults. The research might also assist in the development of new drugs to treat cognitive decline or age-related dementia by helping investigators understand exactly which brain regions are involved in these processes, he added.