期刊
JOURNALS OF GERONTOLOGY SERIES B-PSYCHOLOGICAL SCIENCES AND SOCIAL SCIENCES
卷 55, 期 5, 页码 P295-P303出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/geronb/55.5.P295
关键词
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Younger and older participants performed two-limb coordination patterns of homologous (similar) and nonhomologous (dissimilar) effecters during 1:1 synchronization, according to the in-phase or anti-phase mode. The aim of the study was to examine age-related changes during the production of these basic movement patterns and their relative stability difference. The findings revealed that the aging process modulated the coordination dynamics as a function of effector system characteristics. Whereas the homologous system was resistant to age-related deficits, movements of the nonhomologous system showed coordinative degradation that was most apparent during execution of the anti-phase mode. The latter performance regression is argued to be an expression of age-dependent declines in cognitive regulation and afferent information processing. This implies that deterioration in coordinated behavior across the Life span may be strongly task dependent because of a combined effect of cognitive and sensory components.
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