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. 2008 Dec 8;587(Pt 3):587–595. doi: 10.1113/jphysiol.2008.164186

Figure 1. Rectified averaged EMG trace with a 200 ms prestimulus delay preceding the noxious stimulus.

Figure 1

Schematic representation of the rectified averaged EMG trace with a 200 ms prestimulus delay preceding the noxious stimulus (thick arrow); including the period of baseline EMG preceding the prepulse (PP, small broken arrow), and the postprepulse EMG period (between prepulse and noxious stimulus). The cutaneous silent period (CSP, between CSP onset and CSP end) is followed by an EMG rebound. This EMG rebound is reduced by prepulse inhibition (PPI).