Distinct visual motion processing impairments in aging and Alzheimer's disease.
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ABSTRACT:
SUBMITTER: Kavcic V
PROVIDER: S-EPMC3061234 | biostudies-literature | 2011 Feb
REPOSITORIES: biostudies-literature
Publications
Distinct visual motion processing impairments in aging and Alzheimer's disease.
Kavcic Voyko V Vaughn William W Duffy Charles J CJ
Vision research 20101213 3
Aging and Alzheimer's disease (AD) are associated with declines in the visual perception of self-movement that undermine navigation and independent living. We studied 214 subjects' heading direction and speed discrimination using the radial patterns of visual motion in optic flow. Young (YA), middle-aged (MA), and older normal (ON) subjects, and AD patients viewed optic flow in which we manipulated the motion coherence, spatial texture, and temporal periodicity composition of the visual display. ...[more]
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