Search Results - "Riquelme, Luis A."

Visuomotor Adaptation Modulates the Clustering of Sleep Spindles Into Trains by Solano, Agustín, Riquelme, Luis A, Perez-Chada, Daniel, Della-Maggiore, Valeria

“…Sleep spindles are thought to promote memory consolidation. Recently, we have shown that visuomotor adaptation (VMA) learning increases the density of spindles…”
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Turning off cortical ensembles stops striatal Up states and elicits phase perturbations in cortical and striatal slow oscillations in rat in vivo by Kasanetz, Fernando, Riquelme, Luis A., O'Donnell, Patricio, Murer, M. Gustavo

“…In vivo , cortical neurons and striatal medium spiny neurons (MSN) display robust subthreshold depolarizations (Up states) during which they are enabled to…”
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Striatal NMDA receptors gate cortico-pallidal synchronization in a rat model of Parkinson's disease by Zold, Camila L, Escande, Mariela V, Pomata, Pablo E, Riquelme, Luis A, Murer, M. Gustavo

“…Abstract Anomalous patterns of synchronization between basal ganglia and cortex underlie the symptoms of Parkinson's disease. Computational modeling studies…”
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Motor Learning Promotes the Coupling between Fast Spindles and Slow Oscillations Locally over the Contralateral Motor Network by Solano, Agustín, Riquelme, Luis A, Perez-Chada, Daniel, Della-Maggiore, Valeria

“…Abstract Recent studies from us and others suggest that traditionally declarative structures mediate some aspects of the encoding and consolidation of…”
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Functional integration across a gradient of corticostriatal channels controls UP state transitions in the dorsal striatum by Kasanetz, Fernando, Riquelme, Luis A, Della-Maggiore, Valeria, O'Donnell, Patricio, Murer, M. Gustavo

“…Coordinated near-threshold depolarized states in cortical and striatal neurons may contribute to form functionally segregated channels of information…”
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Disruption of the two-state membrane potential of striatal neurones during cortical desynchronisation in anaesthetised rats by Kasanetz, Fernando, Riquelme, Luis A., Murer, M. Gustavo

“…In anaesthetised animals, the very negative resting membrane potential of striatal spiny neurones (down state) is interrupted periodically by depolarising…”
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NMDA Receptor Gating of Information Flow through the Striatum In Vivo by Pomata, Pablo E, Belluscio, Mariano A, Riquelme, Luis A, Murer, M. Gustavo

“…A role of NMDA receptors in corticostriatal synaptic plasticity is widely acknowledged. However, the conditions that allow NMDA receptor activation in the…”
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Cortical Slow Oscillatory Activity Is Reflected in the Membrane Potential and Spike Trains of Striatal Neurons in Rats with Chronic Nigrostriatal Lesions by Tseng, Kuei Y, Kasanetz, Fernando, Kargieman, Lucila, Riquelme, Luis A, Murer, M. Gustavo

“…Neurons in the basal ganglia output nuclei display rhythmic burst firing after chronic nigrostriatal lesions. The thalamocortical network is a strong…”
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Nigrostriatal lesion induces D2-modulated phase-locked activity in the basal ganglia of rats by Zold, Camila L., Ballion, Bérangère, Riquelme, Luis A., Gonon, François, Murer, M. Gustavo

“…There is a debate as to what modifications of neuronal activity underlie the clinical manifestations of Parkinson's disease and the efficacy of…”
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Distinct changes in evoked and resting globus pallidus activity in early and late Parkinson's disease experimental models by Zold, Camila L., Larramendy, Celia, Riquelme, Luis A., Murer, M. Gustavo

“…The main clinical manifestations of Parkinson's disease are caused by alterations of basal ganglia activity that are tied in with the progressive loss of…”
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Consequences of partial and severe dopaminergic lesion on basal ganglia oscillatory activity and akinesia by Tseng, Kuei Y., Kargieman, Lucila, Gacio, Sebastian, Riquelme, Luis A., Murer, M. Gustavo

“…Severe chronic dopamine (DA) depletion increases the proportion of neurons in the basal ganglia that fire rhythmic bursts of action potential (LFO units)…”
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Striatal dysfunction increases basal ganglia output during motor cortex activation in parkinsonian rats by Belluscio, Mariano A., Riquelme, Luis A., Murer, M. Gustavo

“…During movement, inhibitory neurons in the basal ganglia output nuclei show complex modulations of firing, which are presumptively driven by corticostriatal…”
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Striatal gating through up states and oscillations in the basal ganglia: Implications for Parkinson’s disease by Zold, Camila L., Kasanetz, Fernando, Pomata, Pablo E., Belluscio, Mariano A., Escande, Mariela V., Galinanes, Gregorio L., Riquelme, Luis A., Murer, Mario Gustavo

“…► We propose a model for understanding up state physiology in striatal neurons and the pathophysiology of Parkinson’s disease. ► D2 and NMDA receptors regulate…”
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Spreading of slow cortical rhythms to the basal ganglia output nuclei in rats with nigrostriatal lesions by Belluscio, Mariano A., Kasanetz, Fernando, Riquelme, Luis A., Gustavo Murer, M.

“…A high proportion of neurons in the basal ganglia display rhythmic burst firing after chronic nigrostriatal lesions. For instance, the periodic bursts…”
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Subthalamic nucleus lesions reduce low frequency oscillatory firing of substantia nigra pars reticulata neurons in a rat model of Parkinson’s disease by Tseng, Kuei Y, Kasanetz, Fernando, Kargieman, Lucila, Pazo, Jorge H, Murer, M.Gustavo, Riquelme, Luis A

“…Single unit recordings performed in animal models of Parkinson’s disease revealed that output nuclei neurons display modifications in firing pattern and firing…”
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Substantia nigra pars reticulata units in 6-hydroxydopamine-lesioned rats: responses to striatal D2 dopamine receptor stimulation and subthalamic lesions by Tseng, Kuei Y., Riquelme, Luis A., Belforte, Juan E., Pazo, Jorge H., Murer, M. Gustavo

“…In order to increase our understanding of Parkinson's disease pathophysiology, we studied the effects of intrastriatally administered selective dopamine…”
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D1–D2 dopamine receptor interaction: an in vivo single unit electrophysiological study by Murer, M Gustavo, Riquelme, Luis A, Tseng, Kuei Y, Cristal, Adrian, Santos, Juan, Pazo, Jorge H

“…AFTER intrastriatal administration of selective dopamine receptor agonists only a small percentage of substantia nigra pars reticulata single units showed…”
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Substantia nigra pars reticulata single unit activity in normal and 60HDA-lesioned rats: Effects of intrastriatal apomorphine and subthalamic lesions by Murer, M. Gustavo, Riquelme, Luis A., Tseng, Kuei Y., Pazo, Jorge H.

“…The spontaneous activity and the response to intrastriatal application of apomorphine of substantia nigra pars reticulata (SNpr) single units was studied in…”
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Role of the mesopontine area in the circling behavior induced by apomorphine in rats bearing unilateral lesion of the entopeduncular nucleus by Murer, M G, Riquelme, L A, Stern, J, Pazo, J H

“…The role of the mesopontine area and superior colliculus in turning behavior induced by systemic administration of apomorphine was studied in rats bearing a…”
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