ArticleNature communications2026
Reproducible human reward imaging phenotypes exhibit differential sensitivity to dopamine D2 receptor antagonism.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Human reward processing varies along cue-centric and outcome-centric axes, but the mechanistic basis of individual variation in incentive salience attribution remains incompletely characterized. Here we show, using fMRI across five cohorts (N-total = 1251; N1 = 890; N2 = 245; N3 = 34; N4 = 48; N5 = 34), two reproducible imaging phenotypes mirroring sign- and goal-tracking (ST-like, GT-like). ST-like individuals showed dominant ventral striatal responses to reward-anticipation cues and sustained incentive salience attribution; GT-like individuals showed heightened responses to reward outcomes. This distinction was replicable across sites and independent samples. Single-dose and repeated-dose D
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