People in their 20s don't have much on their middle-aged counterparts when it comes to some fine motor movements, researchers from UT Arlington have found. In a simple finger-tapping exercise, study participants' speed declined only slightly with age until a marked drop in ability with participants in their mid-60s.
Fuente : http://www.eurekalert.org/pub_releases/2013-04/uot...
Fuente : http://www.eurekalert.org/pub_releases/2013-04/uot...