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. 2021 Jan 6;11:12. doi: 10.1038/s41398-020-01118-4

Fig. 2. Effect of methylphenidate (MPH) on the starting or response bias in control and patient groups.

Fig. 2

(a, b) Comparison of response bias (z) in healthy volunteers (HV) and attention-deficit hyperactivity disorder (ADHD) on (MPH) and placebo (c) Comparison of response bias (z) of HV on MPH or placebo and (d) Comparison of response bias (z) of ADHD on MPH or placebo and (e) Pictorial representation of evidence accumulation process and the effect of MPH.