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Rôle du cortex piriforme dans la mémoire olfactive: une étude comportementale et anatomo-fonctionnelle à l'aide de la détection immunohistochimique de la protéine Fos

Abstract : Because of its anatomical and functional features, the piriform cortex (PC) could play a crucial role
in olfactory learning and memory. We studied its implication in mnesic processes using the
immunodetection of Fos protein in rat. A water-rewarded olfactory discrimination task in a four-arms
maze was used for conditioning. We analysed Fos expression in PC as well as in neocortex and
hippocampus, after completion of the discrimination task, at different time-points throughout learning
and following its reactivation. In PC, we showed that Fos expression was different depending of the
velocity to learning of the conditioned rat. Furthermore, we confirmed the functional heterogeneity of
the PC subdivisions and observed the implication of hippocampal and neocortical areas in the olfactory
memory processes.
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https://tel.archives-ouvertes.fr/tel-00012088
Contributor : Sabine Gros <>
Submitted on : Wednesday, April 5, 2006 - 3:09:33 PM
Last modification on : Tuesday, March 17, 2020 - 3:18:33 AM
Long-term archiving on: : Friday, November 25, 2016 - 10:37:44 AM

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Florence Iris Roullet. Rôle du cortex piriforme dans la mémoire olfactive: une étude comportementale et anatomo-fonctionnelle à l'aide de la détection immunohistochimique de la protéine Fos. domain_other. Université de Bourgogne, 2006. Français. ⟨tel-00012088⟩

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