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X-WR-CALDESC:Events for Bordeaux Neurocampus
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DTSTART;TZID=Europe/Paris:20240524T113000
DTEND;TZID=Europe/Paris:20240524T113000
DTSTAMP:20260406T194751
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SUMMARY:Seminar - Pierre-Olivier Polack
DESCRIPTION:\nVenue: CGFB \n\nPierre-Olivier Polack\, DVM\, PhD\nAssociate Professor\nCenter for Molecular & Behavioral Neuroscience\nRutgers University (USA)\nhttp://polacklab.org/\n \nInvited by Lisa Roux (IINS) \n\nTitle\n\n\nNeuronal mechanisms underpinning perceptual learning: role of generalization and categorization.  \nAbstract\nPerceptual learning refers to the improvement in task performance resulting from practice or training. In today’s neuroscience research\, perceptual training is commonly the first experimental step when investigating the neural mechanisms of perception\, decision-making\, or attention. Yet\, little is known on how perceptual training transforms sensory processing. In our laboratory\, we are investigating the neuronal mechanisms underpinning perceptual learning by performing two-photon calcium imaging in the primary visual cortex (V1) of mice performing an orientation discrimination task. We recently found that perceptual training is associated with the emergence of surround-suppression filters that distort the representation of the orientation of the task cues in V1. We demonstrated that those filters underpin two important computational mechanisms for sensory processing: generalization and categorization. Hence\, we show that perceptual training affects the faithfulness of sensory representations in the visual cortex to facilitate learning. \n\n\n
URL:https://www.bordeaux-neurocampus.fr/en/event/seminar-pierre-olivier-polack/
CATEGORIES:For scientists,home-event,Impromptu seminar
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