Thursday, April 2017
Peter Dayan – “Betwixt Fast and Slow: Integrating Model-Free and Model-Based Decision Making”
Behavioural and neural evidence reveals a retrospective, model-free or habitual process that caches returns previously garnered from available choices, and a prospective, model-based or goal-directed one that putatively relies on mental simulation of the environment. There is much current interest in understanding how these faster and slower systems are integrated to take advantage of the beneficial computational properties of each. I will discuss current theoretical and experimental approaches on the resulting architecture of choice, and note some pressing concerns.
Find out more »Thursday, October 2017
Economic Science
This course investigates the field of political economy with an eye to establishing the subject on a scientific foundation as expounded by Henry George’s in his last book, The Science of Political Economy.
Find out more »The New Economics of the Business Cycle
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Find out more »Thursday, November 2017
Rava da Silveira – “Various approaches to online inference — human behavior and theoretical models”
In natural settings, we make decisions based on streams of partial and noisy information. Arguably, we summarize the perceived information into a probabilistic model of the world, which we can exploit to make decisions. This talk will explore such ‘mental models’ in the context of idealized tasks that can be carried out in the laboratory and modeled quantitatively. The starting point of the talk will be a sequential inference task that probes inference in changing environments, in humans. I will…
Find out more »Tuesday, December 2017
Joe Kable – “Fractioning the Prospective Brain” [Joint with SCCN Seminar]
Though neuroscientists have developed an exquisitely detailed understanding of the role of different brain regions in perceiving the external world, our understanding of the relevant functional modules that enable brains to plan based on internal models of the world is much more impoverished. Here Dr. Kable will argue for a broad division within the brain’s “default mode” between networks critical for the generation of internal simulations and mental models and networks involved in evaluating the outputs and results of such…
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