This course will introduce students to computational models of collective behaviour and cognition.Such computational approaches can bridge the gap between the dynamics happening within andbetween agents in social groups, thereby mechanistically linking the individual and collective level. Thisties together how (i) individual cognition drives social systems; (ii) the social environment drivesindividual cognition, and (iii) both levels interact.We will combine introductory lectures with practical hands-on sessions in R. We will start with ageneral introduction to computational models of cognition and typical Bayesian workflows includingsimulation, model fitting and parameter recovery. We then apply these methods to various computational models in social systems including models of (i) signal detection, (ii) evidenceaccumulation, and (iii) reinforcement learning. We will show how these approaches can help answerfundamental questions on social and collective decision making, such as when is it beneficial to learnfrom others (as opposed to on your own), and how do social learning strategies influence collectiveperformance? A basic understanding of statistical theory and programming is recommended. By theend of the course, students are expected to have an overview over key concepts of Bayesian statisticsand approaches to model decision making in social systems and will have developed step-by-stepknowledge on the process of computational modelling of social systems.
Mind and Brain students only!