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. 2003 Oct 29;23(30):9929–9936. doi: 10.1523/JNEUROSCI.23-30-09929.2003

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Copyright © 2003 Society for Neuroscience 0270-6474/03/239929-08.00/0

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Figure 7. — Impact of STN high-frequency stimulation at high intensity on the pattern of responses evoked by cortical stimulation in a SNR cell. A, Classical triphasic excitatory–inhibitory–excitatory events evoked by stimulation of the orofacial sensorimotor cortex on the SNR cell while the STN stimulation is turned off. B, During STN high-frequency stimulation (130 Hz) at high intensity (6 V) that triggered an increase in the spontaneous firing rate of the cell, excitations were not observed anymore, whereas the inhibitory period was preserved; inset, excitatory effect of STN high-frequency stimulation on the spontaneous activity of the recorded SNR cell. Arrows indicate the time of stimulation.