ArticleeLife2026
Methylphenidate enhances or impairs the cognitive control of Pavlovian bias depending on working memory capacity.
Article in eLife, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
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7 authors.
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Abstract
Value-based decision making is regulated by a delicate interplay of instrumental and Pavlovian controllers. Here, we assessed the role of catecholamines in this interplay. We investigated the effects of the catecholamine reuptake inhibitor methylphenidate (MPH) in 100 healthy subjects using a combined appetitive and aversive Pavlovian-to-instrumental transfer (PIT) paradigm, including approach and withdrawal actions. By administering the drug after learning, our design allowed us to establish that MPH can also bias action outside a learning context by directly modulating the interaction of Pavlovian cues with instrumental action. Previously we showed that the effect of MPH on bias varied across these individuals as a function of their working memory (WM) span capacity (Swart et al., 2017). Here, we show by assessing both approach and withdrawal actions that MPH enhanced not only the invigorating effect of appetitive cues on active approach but also the inhibitory effect of appetitive Pavlovian cues on active withdrawal and the invigorating effect of aversive cues on active withdrawal. Thus, in participants with high WM capacity, MPH boosted both approach and withdrawal PIT. Taken together, this pattern of effects is most consistent with the hypothesis that MPH modulates the
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