Results 271 to 280 of about 363,862 (308)
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Stretch-evoked excitatory postsynaptic potentials in motoneurons
Brain Research, 1971Abstract The profile of excitatory postsynaptic potential (EPSP) produced on triceps surae motoneurons by 5 msec duration triangular wave stretch of de-efferented medial gastrocnemius (MG) and soleus (S) muscles was observed on anesthetized, spinalized cats.
W.D. Willis +2 more
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A characterization of excitatory postsynaptic potentials in the avian nucleus magnocellularis
Journal of Neurophysiology, 19941. The activation of current-clamped neurons in the chick nucleus magnocellularis (nMAG) by eighth nerve stimulation has been studied in a brain slice preparation using patch electrodes. Single presynaptic stimuli produced rapidly rising, suprathreshold, excitatory postsynaptic potentials (EPSPs) with a synaptic delay of approximately 0.4 ms ...
Laurence O. Trussell, Su Zhang
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Summation of excitatory postsynaptic potentials in hippocampal pyramidal cells
Journal of Neurophysiology, 1983The summation of excitatory postsynaptic potentials (EPSPs) generated in separate parts of the dendritic tree of hippocampal pyramidal cells has been investigated using the in vitro slice preparation. Two separate inputs with known synaptic location were used.
I. A. Langmoen, P. Andersen
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Principal component analysis of minimal excitatory postsynaptic potentials
Journal of Neuroscience Methods, 1998'Minimal' excitatory postsynaptic potentials (EPSPs) are often recorded from central neurones, specifically for quantal analysis. However the EPSPs may emerge from activation of several fibres or transmission sites so that formal quantal analysis may give false results.
Klaus G. Reymann +4 more
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Unitary Excitatory Postsynaptic Potentials in Clarke's Column Neurones
Nature, 1967IT is generally believed that synaptic transmission is effected by a quantal release of transmitter substances, such as has been demonstrated for the neuromuscular junction1. The quantal nature of synaptic transmission in the central nervous system is more difficult to investigate, one reason being that many presynaptic fibres usually contribute to the
Ladislav Vyklický +4 more
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Summation of excitatory postsynaptic potentials in electrically-coupled neurones
Neuroscience, 2009Dendritic electrical coupling increases the number of effective synaptic inputs onto neurones by allowing the direct spread of synaptic potentials from one neurone to another. Here we studied the summation of excitatory postsynaptic potentials (EPSPs) produced locally and arriving from the coupled neurone (transjunctional) in pairs of electrically ...
Citlali Trueta +3 more
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All‐or‐none Excitatory Postsynaptic Potentials in the Rat Visual Cortex
European Journal of Neuroscience, 1995AbstractIntracellular recordings were obtained from supragranular neurons in slices of the rat visual cortex. In ∼25% of the cells large (0.5–1.6 mV) excitatory postsynaptic potentials (EPSPs) of constant amplitude were observed after minimal, presumably single‐fibre stimulation.
Marina Chistiakova +5 more
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Effect of glutamate receptor antagonists on excitatory postsynaptic potentials in striatum
Brain Research Bulletin, 1998Glutamate, as the main transmitter of corticostriatal pathway, has a crucial role in the regulation of the activity of striatal cells as well as in pathogenesis of some diseases characterized by striatal malfunction caused by overexcitation of neurons. In the present study, the role of ionotropic excitatory amino acid receptors was investigated in the ...
Pál Kocsis +3 more
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Voltage dependence of excitatory postsynaptic potentials of rat neocortical neurons
Journal of Neurophysiology, 19911. The properties of excitatory postsynaptic potentials (EPSPs) of rat neocortical neurons were investigated with a fast single-electrode current-voltage clamp in vitro. Typically, apparently pure EPSPs were obtained by selection of electric stimuli of low intensity. 2.
Rudolf A. Deisz +2 more
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Neuroscience, 1998
In the CA1 area of the hippocampus, low frequency and tetanic conditioning stimuli are known to trigger long-term depression and potentiation of synaptic responses respectively and to produce irreversible excitatory postsynaptic potential/spike potentiation, i.e. an increase of the probability of discharge of the neurons.
Christophe Bernard +2 more
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In the CA1 area of the hippocampus, low frequency and tetanic conditioning stimuli are known to trigger long-term depression and potentiation of synaptic responses respectively and to produce irreversible excitatory postsynaptic potential/spike potentiation, i.e. an increase of the probability of discharge of the neurons.
Christophe Bernard +2 more
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