Gregory Russell Samanez-Larkin

The paper examines associations between dopamine receptor availability and risky investment decisions in adults using PET and behavioral tasks.

This paper identifies and validates a neural signature of reward using data from 21 studies, showing high accuracy in distinguishing reward from punishment and generalizability across tasks.

This study shows that dopamine receptor availability affects sensitivity to personal goal conflict and social influence in self-control decisions.

This paper conducts a systematic review and meta-analysis of dopamine drug effects on reward discounting in healthy rats, finding DAT-modulating drugs decrease discounting while D1/D2 antagonists increase it.

This study links dopamine D2 receptor availability in the ventral striatum to neural representations of subjective value in humans during decision-making.

This study examines the relationship between age, dopamine D2-like receptor availability, and cognition in healthy adults, finding partial mediation of age effects on digit span by D2R availability.

This study meta-analyzes PET and SPECT imaging data to show age-related reductions in serotonin receptors and transporters, with larger declines in 5-HT-2A receptors compared to 5-HT-1A.

The paper examines age-related changes in dopamine receptor availability across different brain regions using PET imaging and finds regionally heterogeneous decline patterns.

This study investigates the relationship between dopamine function and reward discounting in healthy adults and clinical groups, finding no consistent association in healthy individuals but varying correlations in clinical conditions.