Substance use escalates between adolescence and young adulthood, and most
experimentation occurs among peers. To understand underlying mechanisms, research has …

In the past decade, decision neuroscience and neuroeconomics have developed many new
insights in the study of decision making. This review provides an overarching update on how …

Perturbations in dopamine system function may increase risk of substance use disorder
(SUD). We recently demonstrated that neuromelanin (NM) MRI signal in the substantia …

Trait reward sensitivity, risk for developing substance use, and mood disorders have each
been linked with altered striatal responses to reward. Moreover, striatal response to reward …

Many decisions happen in social contexts such as negotiations, yet little is understood about
how people balance fairness versus selfishness. Past investigations found that activation in …

Applying effort-based decision-making tasks provides insights into specific variables
influencing choice behaviors. The current review summarizes the structural and functional …

Although prior research has demonstrated enhanced striatal response when sharing
rewards with close social connections, less is known about how individual differences affect …

Aberrant levels of reward sensitivity have been linked to substance use disorder and are
characterized by alterations in reward processing in the ventral striatum (VS). Less is known …

Explore-exploit research has challenges in generalizability due to a limited theoretical basis
of exploration and exploitation. Neuroimaging can help identify whether explore-exploit …