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Relationship between magnitude of adaptation (abscissa) and after-effect (ordinate) during reaching (squares) and walking (circles) adaptation. Error bars are ±SEM. *Significant post hoc differences in MPost between PD − FOG and PD + FOG (p = 0.009). In addition, MPost was significantly different across tasks (reaching > walking; F36,1 = 54.314, p < 0.001)
