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UID:20250806T210951EDT-8891mO4NRT@132.216.98.100
DTSTAMP:20250807T010951Z
DESCRIPTION:“Psychological and neurophysiological studies of decision-makin
 g have focused primarily on scenarios in which subjects are faced with abs
 tract choices that are stable in time. This has led to serial models of de
 cision-making which begin with the representation of relevant information 
 about costs and benefits\, followed by careful deliberation about the choi
 ce leading to commitment. These cognitive models are separate from models 
 of motor planning and execution\, which normally begin with a single targe
 t or goal. However\, the brain evolved to interact with a dynamic and cons
 tantly changing world\, in which the choices themselves as well as their r
 elative costs and benefits are defined by the momentary geometry of the im
 mediate environment and are continuously changing\, even during ongoing ac
 tivity. To deal with the demands of real-time interactive behavior\, anima
 ls require a neural architecture in which the sensorimotor specification o
 f potential actions\, their valuation\, selection\, and even execution can
  all take place in parallel. I will describe a general hypothesis for how 
 the brain deals with the challenges of such dynamic and embodied behavior\
 , and present the results of a series of behavioral and neurophysiological
  experiments in which humans and monkeys make decisions on the basis of se
 nsory information that changes over time. These experiments suggest that s
 ensory information pertinent to decisions is processed quickly and combine
 d with a growing signal related to the urge to act\, and the result biases
  a competition between potential actions that unfolds within the same sens
 orimotor circuits that guide action. Finally\, I will present analyses and
  a computational model describing how the processes of deliberation\, comm
 itment\, and movement execution can be considered as states of an integrat
 ed dynamical system distributed across cortical and subcortical circuits.”
 \n\nThis seminar will take place in-person and online (details in attached
  poster below). All are welcome!\n
DTSTART:20231103T150000Z
DTEND:20231103T160000Z
LOCATION:1034\, McIntyre Medical Building\, CA\, QC\, Montreal\, H3G 1Y6\, 
 3655 promenade Sir William Osler
SUMMARY:Physiology Seminar: Dr. Paul Cisek 'Neural mechanisms of embodied d
 ecisions'
URL:/physiology/channels/event/physiology-seminar-dr-p
 aul-cisek-neural-mechanisms-embodied-decisions-352164
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