Results 281 to 290 of about 9,333,976 (340)
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Prolongation of hippocampal inhibitory postsynaptic potentials by barbiturates
Nature, 1975IT is well documented that barbiturates dramatically prolong presynaptic inhibition1–4. Their effect on postsynaptic inhibition is less clear, although the available evidence suggests that a similar enhancement may occur at some sites5–7. Since the inhibitory postsynaptic potentials (i.p.s.p.s) in hippocampal neurones are unusually large and the ...
R A, Nicoll +3 more
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Inhibitory postsynaptic potentials of hypoglossal motoneurons of the cat
Experimental Neurology, 1972Abstract The hypoglossal nerve of the cat contains some afferent fibers, but the role of these afferents in controlling hypoglossal motoneuron activity has not yet been analyzed. The effect of hypoglossal nerve stimulation on activity of hypoglossal motoneurons was investigated using microelectrode technique.
T, Morimoto, Y, Kawamura
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Glutamate mediates an inhibitory postsynaptic potential in dopamine neurons
Nature, 1998Rapid information transfer within the brain depends on chemical signalling between neurons that is mediated primarily by glutamate and GABA (gamma-aminobutyric acid), acting at ionotropic receptors to cause excitatory or inhibitory postsynaptic potentials (EPSPs or IPSPs), respectively.
C D, Fiorillo, J T, Williams
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Interneuronal barrages and ripple superposed on inhibitory postsynaptic potentials
Experientia, 1967L'activite electrique des neurones du noyau thalamique ventro-lateral est etudiee ici chez des chats anesthesies au nembutal et immobilises avec du flaxedil au moyen d'un enregistrement intracellulaire. Nous avons observe que l'enregistrement de certains neurones montre que le potentiel nomme inhibiteur postsynaptique (IPSP) est accompagne de la ...
L A, Marco, T S, Brown, M E, Rouse
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Monosynaptic inhibitory postsynaptic potentials of cortical neurons
Neurophysiology, 1976Monopolar intracortical stimulation of the auditory cortex was carried out in cats immobilized with D-tubocurarine. A macroelectrode (tip diameter 100 µ) or a microelectrode (tip diameter 10–15 µ) was used for stimulation. In both cases, besides excitatory responses, primary IPSPs with latent periods of 0.4–1.2 and 1.4–6.0 msec were recorded in ...
F. N. Serkov +2 more
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Effects of intracellular potassium and sodium injections on the inhibitory postsynaptic potential
Proceedings of the Royal Society of London. Series B. Biological Sciences, 1964Abstract Two barrels of double microelectrodes have been filled with different salts so that the electrophoretic injection of Na+ and K+ ions could be investigated in alternating sequence on the same motoneuron in the cat spinal cord.
J, ECCLES, R M, ECCLES, M, ITO
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Inhibitory postsynaptic potentials evoked in hypoglossal motoneurons by lingual nerve stimulation
Experimental Neurology, 1982Abstract The percent magnitude of a short- and a long-lasting inhibitory postsynaptic potential (IPSP) produced in tongue retractor and protruder motoneurons by lingual nerve stimulation was studied in cats. In the retractor motoneurons, stimulation of the ipsilateral lingual nerve produced primarily the short-lasting IPSP, and the neurons had ...
Mitsuru Takata, M Takata
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Excitatory and inhibitory postsynaptic potentials in cat hypoglossal motoneurons during swallowing
Experimental Brain Research, 1988The postsynaptic potentials produced in cat genioglossus and styloglossus motoneurons (GG- and SG-Mns) during swallowing were studied. During swallowing elicited by placing water on the dorsum of the tongue, the GG-muscle discharged for 80-210 ms (mean +/- S. D.
N, Tomomune, M, Takata
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Valproate enhances inhibitory postsynaptic potentials in hippocampal neurons in vitro
Brain Research, 1987Effects of sodium valproate (0.5-10 mM) on hippocampal cells (CA3 pyramidal cells and granule cells) of the guinea pig in vitro were studied by intra- and extracellular recording. Inhibitory postsynaptic potentials were markedly and reversibly augmented. Their shunting action as well as duration increased by more than 150%.
U, Preisendörfer, M L, Zeise, M R, Klee
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Journal of Neurophysiology, 1993
1. The serotonin-containing neurons in the A1 ganglion of the lobster have been shown to act as "gain setters" in neuronal circuits that control the adoption of behaviorally relevant postures. These neurons are subject to tonic inhibition, which has been proposed as an important regulator of their activity.
W A, Weiger, P M, Ma
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1. The serotonin-containing neurons in the A1 ganglion of the lobster have been shown to act as "gain setters" in neuronal circuits that control the adoption of behaviorally relevant postures. These neurons are subject to tonic inhibition, which has been proposed as an important regulator of their activity.
W A, Weiger, P M, Ma
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