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TZID:Europe/Paris
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UID:1-154@lptms.universite-paris-saclay.fr
DTSTART:20130613T143000Z
DTEND:20130613T160000Z
DTSTAMP:20130607T052009Z
URL:https://www.lptms.universite-paris-saclay.fr/seminars/seminaire-de-la-
 federation-phystat-sud-remi-monasson/
SUMMARY:Séminaire de la Fédération PHYSTAT-SUD : Rémi Monasson - LPTMS\
 , salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay - 13 Juin 13 14:30
DESCRIPTION:Cross-talk and transitions between spatial charts in a neuronal
  model of the hippocampus\nRémi Monasson (LPTENS\, Paris)\n Understanding
  the mechanisms by which space gets represented in the brain is a fundamen
 tal problem in neuroscience. The experimental discovery of so-called "plac
 e cells" and "grid cells"\, encoding specific positions in space\, provide
  essential elements in this context. How a spatial chart i.e. a relation b
 etween different points in space\, may be built and memorized? In this tal
 k I will present a model of neural network capable of storing several spat
 ial charts. This model may be solved with the help of the techniques of St
 atistical Physics of Disordered Systems. We will discuss the different pos
 sible phases of the system and the essential features of its dynamics (act
 ivated diffusion in one chart and transitions between charts)\, in relatio
 n with recent experiments.
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
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  Orsay\, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=LPTMS\, salle 201\, 2è
 me étage\, Bât 100\, Campus d'Orsay:geo:48.698185,2.181768
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