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© Research
Event

Neuroscience Seminar Series : Dr Gabrielle Girardeau “Neural mechanisms for memory and emotional processing during sleep”

Scientific Fields
Diseases
Organisms
Applications
Technique
Date
09
Oct 2020
Time
10:00:00
Pasteur Institute, Rue du Docteur Roux, Paris, France
Address
Room: on TEAMS
Location
2020-10-09 10:00:00 2020-10-09 11:00:00 Europe/Paris Neuroscience Seminar Series : Dr Gabrielle Girardeau “Neural mechanisms for memory and emotional processing during sleep” NEUROSCIENCE SEMINAR SERIES Friday, October 09th at 10 am on Microsoft Teams Dr. Gabrielle GIRARDEAU Team “Sommeil et Mémoire Émotionnelle” Institut du Fer-à-Moulin, UMR-S 1270 Inserm – Sorbonne Université   “Neural mechanisms for memory […] Pasteur Institute, Rue du Docteur Roux, Paris, France Mathilde Bigot mathilde.bigot@pasteur.fr

Speakers

Gabrielle Girardeau
(Institut du Fer-à-Moulin, UMR-S 1270 Inserm / Sorbonne Université)

About

NEUROSCIENCE SEMINAR SERIES

Friday, October 09th at 10 am on Microsoft Teams

Dr. Gabrielle GIRARDEAU

Team “Sommeil et Mémoire Émotionnelle”
Institut du Fer-à-Moulin, UMR-S 1270 Inserm – Sorbonne Université


 

“Neural mechanisms for memory and emotional processing during sleep”

Invited by : Mathlide Bigot

 

Abstract :

The hippocampus and the amygdala are two structures required for emotional memory. While the hippocampus encodes the contextual part of the memory, the amygdala processes its emotional valence. During Non-REM sleep, the hippocampus displays high frequency oscillations called “ripples”. Our early work shows that the suppression of ripples during sleep impairs performance on a spatial task, underlying their crucial role in memory consolidation. We more recently showed that the joint amygdala-hippocampus activity linked to aversive learning is reinstated during the following Non-REM sleep epochs, specifically during ripples. This mechanism potentially sustains the consolidation of aversive associative memories during Non REM sleep. On the other hand, REM sleep is associated with regular 8 Hz theta oscillations, and is believed to play a role in emotional processing. A crucial, initial step in understanding this role is to unravel sleep dynamics related to REM sleep in the hippocampus-amygdala network.  

Location

Room: on TEAMS
Address: Pasteur Institute, Rue du Docteur Roux, Paris, France