Peter S. Dayan

Feb 25, 2024 | nature.com | Seth R. Batten |Dan Bang |Arianna Davis |Matthew Heflin |Ignacio Saez |Terry Lohrenz | +6 more

AbstractDopamine and serotonin are hypothesized to guide social behaviours. In humans, however, we have not yet been able to study neuromodulator dynamics as social interaction unfolds. Here, we obtained subsecond estimates of dopamine and serotonin from human substantia nigra pars reticulata during the ultimatum game. Participants, who were patients with Parkinson’s disease undergoing awake brain surgery, had to accept or reject monetary offers of varying fairness from human and computer players.

Dec 27, 2023 | jamanetwork.com | Poornima Kumar |Peter S. Dayan |Thomas Wolfers

From Complexity to Precision—Charting Decision-Making Through Normative Modeling Data-driven and theory-driven branches of computational psychiatry agree on the literal importance of normative modeling but differ in their interpretations of the term.

Jul 4, 2023 | arxiv.org | Peter S. Dayan

[Submitted on 4 Jul 2023] Title:The Inner Sentiments of a Thought Download a PDF of the paper titled The Inner Sentiments of a Thought, by Chris Gagne and Peter Dayan Download PDF Abstract: Transformer-based large-scale language models (LLMs) are able to generatehighly realistic text. They are duly able to express, and at least implicitlyrepresent, a wide range of sentiments and color, from the obvious, such asvalence and arousal to the subtle, such as determination and admiration.