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Vision and proprioception in action monitoring by young and older adults.
This study investigated the individual's capability to discriminate the directions of seen cursor motions and felt hand movements under a visuo-motor rotation paradigm and its age-related variation. Young and older participants performed 3-stroke arm movements on a digitizing tablet without seeing their arm. The visual feedback of the second stroke was rotated randomly by various angles ranging from -30° to 30° and displayed on a monitor. Older adults were poorer in discrimination than young adults. In both age groups, the felt hand direction was shifted toward the seen cursor direction (i.e., visual capture) by approxi...
Source: Neurobiology of Aging - February 20, 2013 Category: Geriatrics Authors: Rand MK, Wang L, Müsseler J, Heuer H Tags: Neurobiol Aging Source Type: research