Figure 2From: Motor imagery and electrical stimulation reproduce corticospinal excitability at levels similar to voluntary muscle contractionMotor evoked potential amplitudes. MEP amplitude recorded from FDI during the resting, ES, MI, ESMI, and VMC conditions. (A) MEPs obtained from a single subject in each condition. (B) Mean (±S.D.) MEP amplitude recorded in each condition. *p < 0.05, *p < 0.01.Back to article page