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. 2013 Jul 19;4:89. doi: 10.3389/fneur.2013.00089

Figure 3.

Figure 3

Mean absolute error of relative phase (degrees) compared between PD “off” and healthy comparison (HC) participants as a function of phase (in-phase = IP and anti-phase = AP) and cycle frequencies. Results showed that HC had more accurate coordination compared to PD “off” participants at faster cycle frequencies (1.25–2 Hz) in anti-phase (bars denote standard error). *Denotes significant differences between HC and PD “off” participants.