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. Author manuscript; available in PMC: 2009 May 1.
Published in final edited form as: Neurobiol Aging. 2007 Jan 11;29(5):765–773. doi: 10.1016/j.neurobiolaging.2006.12.002

Figure 1.

Figure 1

Vibration perception threshold (VPT) data were significantly skewed (a). Therefore, data were log10 transformed to achieve normal distribution (logVPT) (b).