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. Author manuscript; available in PMC: 2009 May 7.
Published in final edited form as: Dev Psychobiol. 2006 Jan;48(1):16–28. doi: 10.1002/dev.20112

FIGURE 8.

FIGURE 8

Top panel: Age-related changes in movement coupling between selected facial markers. Standard error bars represent across subject variation in each age group. Bottom panel: Age-related changes in the within variability in movement coupling. The CV values for ER3LL at all ages studied and for UL3LL at 7 months were very large (e.g., 11.5) and therefore not displayed. ER, right eyebrow; EL, left eyebrow; UL, upper lip; CR, right oral commissure; CL, left oral commissure; LL, lower lip; JR, chin.