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UID:20250312T164900EDT-4275PO1ofw@132.216.98.100
DTSTAMP:20250312T204900Z
DESCRIPTION:La série Feindel Brain and Mind Seminar s’inscrit dans la ligne
  de pensée du Dr William Feindel (1918-2014)\, directeur du Neuro de 1972 
 à 1984\, qui consiste à maintenir un lien constant entre pratique clinique
  et recherche. Les présentations porteront sur les dernières avancées et d
 écouvertes en neuropsychologie\, en neurosciences cognitives et en neuro-i
 magerie. \n\nLes scientifiques du Neuro\, ainsi que des collègues et colla
 borateurs venus du milieu ou du monde entier\, se chargeront des conférenc
 es. Cette série se veut un forum virtuel pour les chercheurs et les stagia
 ires en vue de favoriser les échanges interdisciplinaires sur les mécanism
 es des troubles cérébraux et cognitifs\, leur diagnostic et leur traitemen
 t. \n\n\nPour participer en personne\, inscrivez-vous ici\n\nPour visionne
 r la diffusion sur Vimeo\, cliquez sur le lien suivant\n\n\nKentaro Miyamo
 to\n\nChef d'équipe\, Centre RIKEN pour les sciences du cerveau\, Japon\n
 \nHôte: justine.clery [at] mcgill.ca (Justine Clery)\n\nAbstract: Predicti
 ng and comparing the problem-solving abilities of self and others is impor
 tant for people cooperating in social settings to solve difficult problems
 . However\, the neural mechanisms that enable prospective monitoring of se
 lf and others' abilities prior to problem-solving behaviour in social sett
 ings are not well understood. In the first half of this talk\, I will pres
 ent our research that has revealed the neural basis of the ability to pred
 ict one's own probability of success in a cognitive task prior to performi
 ng it. We designed a new task in which subjects are simultaneously present
 ed with a task option that is difficult but always rewarding if they make 
 correct perceptual judgments (internal probability option) and a task opti
 on that is easy and almost never fails but provides a probability of rewar
 d probabilistically (external probability option). Both human participants
  and macaque monkeys were asked to choose the task option with the highest
  likelihood of reward. We found that the alPFC (area 47) was activated in 
 response to the prediction of internal probability in humans by functional
  MRI. The brain regions identified are evolutionarily novel and particular
 ly well-developed in humans. Although the macaque brain has no anatomicall
 y homologous area with human alPFC\, we found that the vlPFC (area 45) was
  involved in predicting the internal probability instead. Furthermore\, no
 n-invasive manipulation of vlPFC activity using transcranial ultrasound st
 imulation (TUS) had an effect on the ability for the prospective compariso
 ns. The results suggest that vlPFC is an evolutionary origin of prospectiv
 e monitoring ability\, a prediction of one's abilities prior to problem-so
 lving behaviour that is prominent in humans. In the second half of the tal
 k\, I will present our research that has revealed the neural basis of the 
 prospective monitoring ability to predict and compare performance on a per
 ceptual task by oneself and others. We designed a new task in which partic
 ipants were asked to compare a task option in which they were rewarded if 
 they answered the task correctly (self task) and a task option in which th
 ey were rewarded if others answered the task correctly (others' task). We 
 also found that the human alPFC (area 47) plays an important role in predi
 cting and comparing the performance of others with the self. These results
  suggest that primates rely on neural circuits with a hub in the anterior 
 and ventral lateral prefrontal cortex to monitor their own and others' abi
 lities and to determine their future behaviour.\n
DTSTART:20240513T170000Z
DTEND:20240513T180000Z
LOCATION:De Grandpre Communications Centre\, Montreal Neurological Institut
 e\, CA\, QC\, Montreal\, H3A 2B4\, 3801 rue University
SUMMARY:Feindel Brain and Mind Seminar Series: Neural Circuits for Predicti
 on and Comparisons of the Chance of Success Between the Self and Others fo
 r Future Decision Making in Primates
URL:/neuro/fr/channels/event/feindel-brain-and-mind-se
 minar-series-neural-circuits-prediction-and-comparisons-chance-success-355
 329
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