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Fig. 1 | Chinese Neurosurgical Journal

Fig. 1

From: Transcranial electrical stimulation motor-evoked potentials in a spinal cord ischaemia rabbit model

Fig. 1

The amplitude and latency of Tes-MEPs were stable at different times after anaesthesia in the different groups. a Typical wave of transcranial electrical stimulation motor-evoked potentials. b Sham group. c Group 1. d Group 2. e Group 3. f Group 4. g Group 5. Tes-MEP latency is defined as the duration, in millisecond, from stimulation to the first progressive negative deflection. Tes-MEP amplitude is defined as peak-to-peak amplitude in microvolts (N1–P1). The red graphics indicate the positive and negative baseline waveform before ligation. The green graphics indicate the positive and negative baseline waveform after lumbar artery ligation

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