Search Results - "Poucet, B"

Coding for Spatial Goals in the Prelimbic/Infralimbic Area of the Rat Frontal Cortex by Hok, V., Save, E., Lenck-Santini, P. P., Poucet, B., Newsome, William T.

“…Finding one's way in space requires a distributed neural network to support accurate spatial navigation. In the rat, this network likely includes the…”
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Remembering goal locations by Poucet, B, Hok, V

“…•Spatial navigation entails the ability to remember goal locations.•Remembering goal locations requires processing of both sensory and reward components,…”
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Hippocampal LTP modulation and glutamatergic receptors following vestibular loss by Truchet, B., Benoit, A., Chaillan, F., Smith, P. F., Philoxene, B., Guillamin, M., Poucet, B., Coquerel, A., Besnard, Stephane

“…Vestibular dysfunction strongly impairs hippocampus-dependent spatial memory performance and place cell function. However, the hippocampal encoding of…”
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The hippocampo-cortical loop: Spatio-temporal learning and goal-oriented planning in navigation by Hirel, J., Gaussier, P., Quoy, M., Banquet, J.P., Save, E., Poucet, B.

“…We present a neural network model where the spatial and temporal components of a task are merged and learned in the hippocampus as chains of associations…”
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Oxidative stress and prevention of the adaptive response to chronic iron overload in the brain of young adult rats exposed to a 150 kilohertz electromagnetic field by Maaroufi, K, Save, E, Poucet, B, Sakly, M, Abdelmelek, H, Had-Aissouni, L

“…Abstract Iron surcharge may induce an oxidative stress-based decline in several neurological functions. In addition, electromagnetic fields (EMF) of…”
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Study of CA1 place cell activity and exploratory behavior following spatial and nonspatial changes in the environment by Lenck-Santini, P.-P., Rivard, B., Muller, R.U., Poucet, B.

“…Changes in the spatial arrangement or identity of objects inside a familiar environment induce reexploration. The present study looks at modifications of place…”
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Cooperation between the hippocampus and the entorhinal cortex in spatial memory: A disconnection study by Parron, Carole, Poucet, Bruno, Save, Etienne

“…It has been recently shown that lesions of parahippocampal areas including the entorhinal cortex do not disrupt place learning in the water maze, suggesting…”
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Stability and variability of place cell activity during behavior: Functional implications for dynamic coding of spatial information by Poucet, B., Hok, V., Sargolini, F., Save, E.

“…► Place cells fire in relation to rat’s location, but carry also other signals. ► These other signals may result in “noisy” states. ► Dynamic attractors nested…”
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Independent coding of connected environments by place cells by Paz-Villagrán, V., Save, E., Poucet, B.

“…Place cells are hippocampal neurons that have a strong location‐specific firing activity in the rat's current environment. Collectively, place cells also…”
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Spatial navigation and hippocampal place cell firing: the problem of goal encoding by Poucet, B, Lenck-Santini, P P, Hok, V, Save, E, Banquet, J P, Gaussier, P, Muller, R U

“…Place cells are hippocampal neurons whose discharge is strongly related to a rat's location in the environment. The existence of such cells, combined with the…”
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Spatial discrimination of visually similar environments by hippocampal place cells in the presence of remote recalibrating landmarks by Paz-Villagrán, V., Save, E., Poucet, B.

“…Place cells in the rat hippocampus commonly show place‐related firing activity in the animal's current environment. Here, we evaluated the capability of the…”
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A model of grid cells involving extra hippocampal path integration, and the hippocampal loop by Gaussier, P, Banquet, J P, Sargolini, F, Giovannangeli, C, Save, E, Poucet, B

“…In this paper, we present a model for the generation of grid cells and the emergence of place cells from multimodal input to the entorhinal cortex (EC). In…”
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Exploratory patterns of rats on a complex maze provide evidence for topological coding by Poucet, B., Herrmann, T.

“…Rats’ exploratory patterns on a complex elevated maze were analyzed in both light and dark conditions. Rats were less active in the light than in the dark. In…”
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Place-cell firing does not depend on the direction of turn in a Y-maze alternation task by Lenck-Santini, Pierre-Pascal, Save, Etienne, Poucet, Bruno

“…Hippocampal place cells were recorded while rats solved a continuous spatial alternation task requiring short‐term spatial memory. All cells that had a firing…”
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Working Memory, Response Selection, and Effortful Processing in Rats With Medial Prefrontal Lesions by Granon, Sylvie, Vidal, Catherine, Thinus-Blanc, Catherine, Changeux, Jean-Pierre, Poucet, Bruno

“…This study examined the effects of lesions of the prelimbic area of the rat prefrontal cortex on acquisition and rétention of nonmatching (NMTS) and…”
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Nicotinic and muscarinic receptors in the rat prefrontal cortex : differential roles in working memory, response selection and effortful processing by GRANON, S, POUCET, B, THINUS-BLANC, C, CHANGEUX, J.-P, VIDAL, C

“…The aim of the present study was to evaluate the effects of cholinergic receptor blockade in the rat prefrontal cortex on cognitive processes. The nicotinic…”
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EVIDENCE FOR A RELATIONSHIP BETWEEN THE FIRING PATTERNS OF HIPPOCAMPAL PLACE CELLS and RATS’ PERFORMANCE IN A SPATIAL MEMORY TASK by Lenck‐Santini, P. ‐P., Save, E., Poucet, B.

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Effects of medial septal or unilateral hippocampal inactivations on reference and working spatial memory in rats by Poucet, B, Buhot, M C

“…The memory performances of rats receiving a reversible inactivation of either the medial septum or one side of the ventral hippocampus were compared in a…”
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Spatial Cognitive Maps in Animals: New Hypotheses on Their Structure and Neural Mechanisms by Poucet, Bruno

“…This article provides a hierarchical model of animal spatial cognitive maps. Such maps include both topological information, which affords loose, yet…”
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Hippocampal-parietal cortical interactions in spatial cognition by Save, E, Poucet, B

“…Growing evidence suggests that the associative parietal cortex (APC) of the rat is involved in the processing of spatial information. This observation raises…”
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