How is it that society seems to hold two diametrically opposed stereotypes about aging at the same time? Old people are cognitively impaired and too frail to do much of anything. Or, conversely, they are the wise owls who've gained the insight of the ages. The former is probably more prevalent than the latter. But should it be? With us to consider that: Daniel Levitin, author of "Successful Aging: A Neuroscientist Explores the Power and Potential of Our Lives:"Allison Sekuler, the Sandra A. Rotman Chair in Cognitive Neuroscience at the Rotman Research Institute; Natasha Rajah, professor of psychology at Toronto Metropolitan University and Canada Research Chair in Sex, Gender and Diversity in Brain Health, Memory and Aging.

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