 Positive sensory stimulation was elicited using the Radionics unit at 50 Hz from 0-0.1 volts and negative motor stimulation was elicited from 1-10 volts at 2 Hz. 
Positive sensory stimulation was elicited using the Radionics unit at 50 Hz from 0 - 0.1 volts and negative motor stimulation was elicited from 1 - 10 volts at 2 Hz .