Kavli Affiliate: Reza Shadmehr | Authors: Erik M. Summerside, Robert J Courter, Reza Shadmehr and Alaa A. Ahmed | Summary: As people age, they move slower. Is age-related reduction in vigor a reflection of a reduced valuation of reward by the brain, or a consequence of increased effort costs by the muscles? Here, we quantified […]
Continue.. Effort cost of reaching prompts vigor reduction in older adults