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. 2008 Jul 23;586(Pt 18):4481–4487. doi: 10.1113/jphysiol.2008.159558

Figure 1. Corticospinal volleys and motor-evoked potentials evoked by single pulse magnetic stimulation in baseline conditions and after 1 Hz rTMS (900 stimuli) in subjects 1, 2 and 3.

Figure 1

Each trace is the average of 20 sweeps. Magnetic stimulation evokes four descending waves in patient 1. In this patient the peak of the earliest (I1) I-wave is indicated by the vertical line. Two minutes after rTMS, the size of the later I-waves is decreased, the amplitude of the I1-wave is unchanged. The suppression is more pronounced for the last I-wave (I4). The amplitude of MEP is also decreased after rTMS. Magnetic stimulation evokes five descending waves in subject 2. The peak of the earliest (I1) I-wave is indicated by the vertical line. Two minutes after rTMS, the size of the later I-waves and of MEPs is unchanged. Magnetic stimulation evokes five descending waves in subject 3. The peaks of the D-wave and of the earliest (I1) I-wave are indicated by the vertical line. Two minutes after rTMS, the size of the later I-waves is decreased, the amplitude of the I1-wave is unchanged. The suppression is more pronounced for the I3-wave. The amplitude of MEP is also decreased after rTMS.