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Event

Killam Seminar Series: Neural Mechanisms of Speed-Accuracy Tradeoff

Tuesday, September 3, 2024 16:00to17:00
Montreal Neurological Institute de Grandpre Communications Centre, 3801 rue University, Montreal, QC, H3A 2B4, CA

Supported by the generosity of the Killam Trusts, The Neuro's Killam Seminar Series invites outstanding guest speakers whose research is of interest to the scientific community at The Neuro and ÎÛÎÛ²ÝÝ®ÊÓƵ University.


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Jeffrey D. Schall

Professor, Department of Biology, York University,ÌýCanada Research Chair in Translating Neuroscience

Host:Ìýchristopher.pack [at] mcgill.ca (Christopher Pack)

Abstract:ÌýAccording to canonical models of decision making, trading speed versus accuracy is accomplished by adjusting the threshold for the amount of evidence to be accumulated before responding. Rich Heitz, in Jeffrey Schall's lab, carried out the first neurophysiological study of speed-accuracy tradeoff, sampling neural spiking in the frontal eye field, superior colliculus, and supplementary eye field of monkeys performing an inefficient visual search task with instructed speed-accuracy emphases. Professor Schall will survey the neural findings, which were more complex but no less comprehensible than the canonical models. A major implication of these results is that the proposition linking neural activity to evidence accumulation is more veiled than commonly appreciated.

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The Neuro (Montreal Neurological Institute-Hospital)Ìýis a bilingual academic healthcare institution. We are aÌýÎÛÎÛ²ÝÝ®ÊÓƵ research and teaching institute; delivering high-quality patient care, as part of the Neuroscience Mission of the ÎÛÎÛ²ÝÝ®ÊÓƵ University Health Centre.ÌýWe areÌýproud to be a Killam Institution, supported by the Killam Trusts.

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