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X-WR-CALNAME:Djavad Mowafaghian Centre for Brain Health | DMCBH
X-ORIGINAL-URL:https://www.centreforbrainhealth.ca
X-WR-CALDESC:Events for Djavad Mowafaghian Centre for Brain Health | DMCBH
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DTSTART;TZID=America/Vancouver:20231208T110000
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DTSTAMP:20231124T121402
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SUMMARY:Dr. Adrienne Fairhall: Cognitive rule-switching in macaques.
DESCRIPTION:Zoom option if unable to attend in person:\nZoom link here (click on “Join a meeting”)\nMeeting ID: 91512 289258\nPasscode: 289258\n\nWhat is the neural basis of abstraction? Working in collaboration with experimental groups who have trained monkeys and humans on a decision task\, we analyze how subjects make use of visual information and feedback to infer a hidden rule\, where the rule switches in an uncued fashion. We fit a suite of behavioral models and learn that while humans are close to optimal Bayesian agents\, monkey behavior is better fit as reinforcement learning\, with a novel additional factor included. We use this behavioral model to elucidate structure in neural activity recorded from 200 sites across the brain\, finding low-dimensional and dynamic representations of stimulus\, feedback and  reward prediction error that support the notion of internal states captured by the behavioral model. \n 
URL:https://www.centreforbrainhealth.ca/events/dr-adrienne-fairhall/
LOCATION:Rudy North Lecture Theatre\, Djavad Mowafaghian Centre for Brain Health\, 2215 Wesbrook Mall\, Vancouver\, British Columbia\, V6T 1Z3\, Canada
CATEGORIES:Neuroscience Research Colloquium
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