- Neural and Behavioral Psychology Studies
- Functional Brain Connectivity Studies
- Quantum chaos and dynamical systems
- Behavioral Health and Interventions
Icahn School of Medicine at Mount Sinai
2024
Peking University
2006
Dopamine and serotonin are hypothesized to guide social behaviours. In humans, however, we have not yet been able study neuromodulator dynamics as interaction unfolds. Here, obtained subsecond estimates of dopamine from human substantia nigra pars reticulata during the ultimatum game. Participants, who were patients with Parkinson's disease undergoing awake brain surgery, had accept or reject monetary offers varying fairness computer players. They rejected more in than condition, an effect...
Social controllability, defined as the ability to exert influence when interacting with others, is crucial for optimal decision-making. Inability do so might contribute maladaptive behaviors such drug use, which often takes place in social settings. Here, we examined nicotine-dependent humans using fMRI, they made choices that could proposals from simulated partners. Computational modeling revealed smokers under-estimated of their actions and self-reported a reduced sense control, compared...