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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: J Int Neuropsychol Soc. 2017 Oct 16;24(3):283–293. doi: 10.1017/S135561771700090X

Figure 1.

Figure 1

Amphetamine reduced the variability in hit reaction time across trial blocks of healthy human participants performing the Conners’ CPT-2 irrespective of sex. Asterisks represent a significant difference from placebo (p < 0.05).