Now showing items 1-6 of 6
Subsecond dopamine fluctuations in human striatum encode superposed error signals about actual and counterfactual reward
In the mammalian brain, dopamine is a critical neuromodulator whose actions underlie learning, decision-making, and behavioral control. Degeneration of dopamine neurons causes Parkinson’s disease, whereas dysregulation of ...
Necessary, Yet Dissociable Contributions of the Insular and Ventromedial Prefrontal Cortices to Norm Adaptation: Computational and Lesion Evidence in Humans
(Society for Neuroscience, 2015-01-14)
Social norms and their enforcement are fundamental to human societies. The ability to detect deviations from norms and to adapt to norms in a changing environment is therefore important to individuals’ normal social ...
Monte Carlo Planning Method Estimates Planning Horizons during Interactive Social Exchange
Reciprocating interactions represent a central feature of all human exchanges. They have been the target of various recent experiments, with healthy participants and psychiatric populations engaging as dyads in multi-round ...
Interoception drives increased rational decision-making in meditators playing the ultimatum game
Human decision-making is often conceptualized as a competition between cognitive and emotional processes in the brain. Deviations from rational processes are believed to derive from inclusion of emotional factors in ...
Domain expertise insulates against judgment bias by monetary favors through a modulation of ventromedial prefrontal cortex
Recent work using an art-viewing paradigm shows that monetary sponsorship of the experiment by a company (a favor) increases the valuation of paintings placed next to the sponsoring corporate logo, an effect that correlates ...
Neural signature of fictive learning signals in a sequential investment task
Reinforcement learning models now provide principled guides for a wide range of reward learning experiments in animals and humans. One key learning (error) signal in these models is experiential and reports ongoing temporal ...