Mediating Effect of Cognitive Reserve on Associations Between Processing Speed and Memory in Older Adults with and without Multiple Sclerosis
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Mediating Effect of Cognitive Reserve on Associations Between Processing Speed and Memory in Older Adults with and without Multiple Sclerosis
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In this episode, our host, Dr. Scott Sperling, and student leader, Steven Harris, meet with authors Dr. Roee Holtzer and Andrew Fox to discuss their recent paper, Mediating Effect of Cognitive Reserve on Associations Between Processing Speed and Memory in Older Adults with and without Multiple Sclerosis. The authors share insights from their study of 104 older adults with MS and 105 healthy controls who underwent neuropsychological testing and brain magnetic resonance imaging. Using regression modeling to derive cognitive reserve, they found that cognitive reserve fully mediated the association between processing speed and immediate verbal recall, and partially mediated the association for delayed recall. The conversation explores how these findings highlight the protective role of cognitive reserve against memory decline in older adults, regardless of the presence of Multiple Sclerosis.