TY  - JOUR
PY  - 2007//
TI  - Age-Related Differences in Acquisition of Perceptual-Motor Skills: Working Memory as a Mediator
JO  - Aging, neuropsychology and cognition
A1  - Kennedy, Kristen M.
A1  - Partridge, Ty
A1  - Raz, Naftali
SP  - 165
EP  - 183
VL  - 15
IS  - 2
N2  - Aging is associated with reduced performance on information processing speed, memory, and executive functions tasks. Although older adults are also less apt in acquiring new perceptual-motor skills, it is unclear whether and how skill acquisition difficulties are associated with age-related general cognitive differences. We addressed this question by examining structural relations among measures of cognitive resources (working memory) and indices of perceptual-motor skill acquisition (pursuit rotor and mirror tracing) in 96 healthy adults aged 19-80 years of age. Three competing structural models were tested: a single (common) factor model, a dual correlated factors model, and a hierarchical dual-factor model. The third model provided the best fit to the data, indicating age differences in simple perceptual-motor skill are partially mediated by more complex abilities.<p />  <p>Language: en</p>
LA  - en
SN  - 1382-5585
UR  - http://dx.doi.org/10.1080/13825580601186650
ID  - ref1
ER  -