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Activation of either muscarinic cholinergic or metabotropic glutamatergic presynaptic receptors inhibits evoked excitatory synaptic responses in the hippocampus. We have investigated two possible mechanisms underlying these actions using whole-cell recording from CA3 pyramidal cells in hippocampal slice cultures. Application of either methacholine (MCh, 10(More)
1. Paired recordings from monosynaptically connected CA3 interneurons and pyramidal cells of rat hippocampal slice cultures were used to compare the modulation of GABA release at synapses from distinct interneurons. 2. The group II metabotropic glutamate receptor (mGluR) agonist (2S,2'R,3'R)-2-(2',3'-dicarboxylcyclopropyl) glycine (DCG-IV, 5 muM) reduced(More)
The rat hippocampus receives a strong cholinergic innervation from the medial septum; information about the development and function of this pathway could help to elucidate the mechanisms of memory functions. Previous electrophysiological studies have shown that septal stimulation in vivo facilitates commissural and perforant path inputs and that(More)
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