Averaged event related potentials for fast and slow responses (left) and topographic maps of the average activity in the time window -0

<p><b>Copyright information:</b></p><p>Taken from "From perception to action: phase-locked gamma oscillations correlate with reaction times in a speeded response task"</p><p>http://www.biomedcentral.com/1471-2202/8/27</p><p>BMC Neuroscience 2007;8():27-27.</p><p>Published online 17 Apr 2007</p><p>PMCID:PMC1868743.</p><p></p>5 to 0 s. The stimulus was presented at 0 s. Dotted lines indicate mean response times of fast response trials (red) and slow response trials (blue). Note that the negative potential starting approximately 700 ms before stimulus onset for fast response trials is virtually absent for slow response trials