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. Author manuscript; available in PMC: 2015 Aug 4.
Published in final edited form as: Neuropsychologia. 2008 Aug 9;47(1):145–157. doi: 10.1016/j.neuropsychologia.2008.08.001

Fig. 4.

Fig. 4

Conditional accuracy functions for individuals with Parkinson’s disease (PD) and healthy controls (HC). For both groups, errors are associated with the fastest reaction times, and the pattern of error rates is suggestive that PD patients make more fast errors than HC. CG: congruent, IG: incongruent.