NDLI: Effects of normal aging on visuo-motor plasticity

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Effects of normal aging on visuo-motor plasticity

Content Provider	NASA Technical Reports Server (NTRS)
Author	Roller, Carrie A. Bloomberg, Jacob J. Kimball, Kay T. Cohen, Helen S.
Copyright Year	2001
Description	Normal aging is associated with declines in neurologic function. Uncompensated visual and vestibular problems may have dire consequences including dangerous falls. Visuomotor plasticity is a form of behavioral neural plasticity which is important in the process of adapting to visual or vestibular alteration, including those changes due to pathology, pharmacotherapy, surgery or even entry into a microgravity or underwater environment. In order to determine the effects of aging on visuomotor plasticity, we chose the simple and easily measured paradigm of visual-motor re-arrangement created by using visual displacement prisms while throwing small balls at a target. Subjects threw balls before, during and after wearing a set of prisms which displace the visual scene by twenty degrees to the right. Data obtained during adaptation were modeled using multilevel analyses for 73 subjects aged 20 to 80 years. We found no statistically significant difference in measures of visuomotor plasticity with advancing age. Further studies are underway examining variable practice training as a potential mechanism for enhancing this form of behavioral neural plasticity.
File Size	2134591
Page Count	20
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20150020978
Archival Resource Key	ark:/13960/t17m57927
Language	English
Publisher Date	2001-12-01
Access Restriction	Open
Subject Keyword	Vestibules Neurology Eye Anatomy Perception Prisms Plastic Properties Sensorimotor Performance Sensory Perception Patients Aging Biology Adaptation Reflexes Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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