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. Author manuscript; available in PMC: 2013 Apr 21.
Published in final edited form as: Exp Brain Res. 2011 Jul 29;213(4):351–361. doi: 10.1007/s00221-011-2777-x

Fig. 2.

Fig. 2

The CV of force for young (filled circles) and older (open circles) adults as a function of visual angle (a) and visual feedback conditions (b). a Older adults exhibited greater CV of force at 0.5 and 1.5° compared with young adults. The CV of force increased at higher visual angles for older adults, whereas it remained the same for young adults. b The age × visual feedback condition interaction approached significance (P = 0.07) and suggests that the CV of force was greater in older adults compared with young adults only during the visual feedback condition. Asterisk above the symbols indicate age differences, while asterisk above the line indicate visual angle differences