Voluntary response, for each of the five precues and each of the three EMG channels.<p><b>Copyright information:</b></p><p>Taken from "Changes in corticospinal excitability and the direction of evoked movements during motor preparation: A TMS study"</p><p>http://www.biomedcentral.com/1471-2202/9/51</p><p>BMC Neuroscience 2008;9():51-51.</p><p>Published online 17 Jun 2008</p><p>PMCID:PMC2453131.</p><p></p