Perceptual Confidence & Uncertainty
Who:
Topics in Tactile Cognition
Vincent Hayward is a Professor at Sorbonne Université (Paris, France), and a member of the Institute of Intelligent Systems and Robotics (ISIR). He is also Scientific Advisor to a start-up company which he co-founded, Actronika SAS, dedicated to lowering the accessibility barrier of haptic technology. Prior to his post at the Sorbonne, Vincent Hayward was at McGill University (Montréal, Canada), where he was a Professor in the Department of Electrical and Computer Engineering and Director of the McGill Centre for Intelligent Machines.
The study of the brain bases of linguistic representations in infants
De l’étude du traitement du signal à l’étude du développement et l’acquisition du langage
Towards a recipe for physical reasoning in humans and machines
The world is structured in countless ways. When cognitive and machine models respect these structures, by factorizing their modules and parameters, they can achieve remarkable accuracy and generalization. In this talk, I will discuss our work investigating the factorizations of objects, relations, and physics in both humans and machines.
Value-driven modulation of perception and choice
Reward signals can not only act as an incentive to invigorate actions and guide value-based decisions, but can also modulate the earliest stages of sensory perception. I will present the results of our recent studies examining the value-driven modulation of behavioral and neural responses across these three axes. The key question that we are trying to answer is how specific features of reward signals; such as their level of awareness, their sensory modality and their task contingency; impact on value-driven effects.
Choice history bias as a window into cognition and neural circuits
Recent advances in training mice to perform complex tasks, combined with powerful optogenetic and neural measurement tools, have positioned mice as an ideal model species for probing the neural circuit mechanisms of cognition. An important assumption underlying this line of work is that these mechanisms are preserved across mammalian species, and provide insight into the same cognitive processes that play out in the human brain.
Psychoacoustics of amplitude modulation detection and discrimination
Abstract: One of the central topics in my research has been the processing of amplitude modulation in human hearing. The most prominent result of these efforts is the concept of a modulation filterbank, as it was developed in Torsten Dau’s PhD thesis and published in two influential JASA papers in 1997 by Dau, Kollmeier and myself.
Neuroplasticity, and the search for better vision
Arguably the most important organ in the human body, the brain is also the biggest keeper of secrets from medical science.