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Academic literature on the topic 'Cortex somatosensoriel primaire du rat'
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Journal articles on the topic "Cortex somatosensoriel primaire du rat"
Abou Rachid, S., E. Nigi, A. Shiba, and V. Zhukova. "Following Neuropathic Pain Route: Glial Alteration in the Thalamus." Douleur et Analgésie 32, no. 4 (December 2019): 221–23. http://dx.doi.org/10.3166/dea-2020-0082.
Full textDissertations / Theses on the topic "Cortex somatosensoriel primaire du rat"
Nguyen, Hien luong. "Plasticité, métaplasticité synaptique et neuronale dans le cortex somatosensoriel primaire chez le rat dans un modèle de douleur inflammatoire prolongée." Thesis, Université Clermont Auvergne (2017-2020), 2018. http://www.theses.fr/2018CLFAS027.
Full textChronic neuropathic or inflammatory pain is believed to result from long-lasting synaptic andneuronal changes in pain pathways, including the primary somatosensory cortex (S1) which codes for pain intensity and location. Using ex vivo electrophysiological recordings from S1 layer 2/3 pyramidal neurons, we investigated pain-induced plasticity in a rat model (CFA injection) of chronic facial inflammatory pain. We first establish the relation in basal conditions between synaptic activity and (i) bidirectionalsynaptic plasticity (long-term depression/potentiation; LTD/LTP), (ii) changes in the ability to express synaptic plasticity (metaplasticity), (iii) bidirectional changes in intrinsic neuronal excitability (LTP/LTD-IE); i.e. the rules for synaptic and intrinsic plasticity in S1 layer 2/3pyramidal neurons. We then investigated such plasticity processes in CFA-treated rats exhibiting facial mechanical allodynia, at 1 hour and 3 days post-injection. At 1-hour, mechanical allodynia is associated with (i) LTP of excitatory synaptic transmission, together with (ii) an inhibition to generate further LTP but a facilitation to generate LTD (metaplasticity), consistent with LTP of synaptictransmission, (iii) LTP-IE and (iv) reduced dendritic arbor complexity of S1 layer 2/3 pyramidal neurons. At 3 days, LTP and LTP-IE were still present but metaplasticity and dendritic arbor complexity had returned to control levels
Kremer, Yves. "Direction tuning in layers II/III of rat primary somatosensory cortex using two-photon microscopy in vivo and developments in acousto-optics for multiphoton random access scanning." Paris 6, 2008. http://www.theses.fr/2008PA066057.
Full textDupont, Erwan. "Caractérisation de la plasticité corticale induite par une privation sensorielle chez le rat et étude des mécanismes par des approches électrophysiologique et moléculaire." Lille 1, 2003. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2003/50376-2003-143-144.pdf.
Full textHouades, Vanessa. "Réseaux astrocytaires et communication jonctionnelle : étude dans le cortex somatosensoriel primaire de projection des vibrisses de souris." Paris 6, 2007. http://www.theses.fr/2007PA066539.
Full textTruong, Sreng. "Mise en évidence chez le rat de la somatotopie des vibrisses dans une nouvelle aire somatosensorielle secondaire et dans le cortex multisensoriel audio-somatosensoriel." Paris 6, 2009. http://www.theses.fr/2009PA066569.
Full textBallain, Thierry. "Modélisation de l'activité du cortex primaire olfactif (piriforme) chez le rat." Université Joseph Fourier (Grenoble), 2000. http://www.theses.fr/2000GRE19001.
Full textFerrere, Arnaud. "Rôle du facteur de transcription CDP/Cux1 sur la morphogenèse dendritique des neurones épineux étoilés du cortex somatosensoriel primaire de la souris." Paris 6, 2008. http://www.theses.fr/2008PA066590.
Full textTremblay, François. "Rôle du cortex somatosensoriel primaire dans la discrimination des textures lors du toucher actif et du toucher passif chez le singe." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0027/NQ33095.pdf.
Full textJacob, Vincent. "Intégration spatio-temporelle de scènes tactiles et plasticité fonctionnelle dans le cortex à tonneaux du rat." Paris 6, 2007. http://www.theses.fr/2007PA066222.
Full textClassically the connections between whiskers and cortical barrels are considered as independent ways. However, the rat generates complex patterns of contacts during active exploration. The cortical receptive fields (RF) are very large suggesting that multiwhisker information converge on each neuron. In order to study the integration of tactile scenes in the cortex, we have developed a matrix of 25 stimulators. We studied the RFs, their dependence to the omission of a predictable stimulus and the selectivity to global direction generated by sequential deflections of the whiskers. Then primary cortex performs an integrated and non-linear analysis of sensory information. Conditions of activity induce long-term modifications of the RFs. We observed modifications of the sensory response whose sign and intensity depended on the order and the time interval between the stimulations and the post-synaptic activation of the recorded neuron. This result is compatible with STDP rules for which this work is the first validation in the in vivo somatosensory cortex
Jeffrey-Gauthier, Renaud. "Couplage neurovasculaire lors de processus reliés à la douleur dans le cortex somesthésique primaire du rat." Thèse, Université du Québec à Trois-Rivières, 2013. http://depot-e.uqtr.ca/6962/1/030592845.pdf.
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