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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: J Cogn Neurosci. 2013 Oct 21;26(2):10.1162/jocn_a_00501. doi: 10.1162/jocn_a_00501

Figure 2.

Figure 2

Interacting effects of COMT and DARPP-32 genotype on target discrimination (target/lure d′; mean ± SEM) as a function of working memory load, as indexed by d′ slope (F(2, 89)=4.26, p=0.017). The magnitude of d′ slope follows an inverted-U pattern, with putatively intermediate levels of frontal dopamine D1 receptor signaling associated with better performance.