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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Neuropsychologia. 2017 Feb 22;99:37–47. doi: 10.1016/j.neuropsychologia.2017.02.016

Fig. 3.

Fig. 3

RT delta plots for healthy controls and Parkinson’s disease participants in off state and on chronic and acute STN stimulation. Each bin contains the same number of trials, averaged across the subjects in each subgroup. HC show initial increase in interference followed by a drastic suppression of interference (i.e., large negative delta slope) at the slow end of the distribution. PD participants in off state show markedly less proficient suppression of interference from action impulses.