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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: J Psychiatr Res. 2011 Oct 27;46(2):248–255. doi: 10.1016/j.jpsychires.2011.10.006

Figure 1.

Figure 1

Mean short-interval paired-pulse transcranial magnetic stimulation (TMS) measures from abstinent cocaine-dependent and healthy individuals (expressed as % ratios of the mean conditioned motor evoked potential (MEP) to the mean unconditioned MEP). Short-interval intracortical inhibition (SICI) and facilitation (ICF) are assessed at interstimulus intervals (ISIs) of 3 and 10 ms, respectively. Ratios smaller or larger than 100% represent inhibition or facilitation, respectively. Error bars represent SEM (standard error of the mean). ISI values on the x-axis are expressed in milliseconds.