Firing patterns and synaptic potentials of identified giant aspiny interneurons in the rat neostriatum
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چکیده
منابع مشابه
Firing patterns and synaptic potentials of identified giant aspiny interneurons in the rat neostriatum.
Intracellular recordings were made in vivo from 9 giant aspiny neurons in the neostriatum of urethane-anesthetized rats. The cells were identified by intracellular staining with HRP or biocytin. The neurons exhibited morphological features typical of neostriatal cholinergic interneurons. Six of the cells were obtained from intact animals, while 3 were recorded from rats with ipsilateral hemidec...
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Spontaneous firing patterns of 94 unidentified neurons and 34 identified spiny neurons were compared in the neostriatum of locally anesthetized immobilized rats. Intracellular and extracellular recordings were analyzed using first order interval histograms and autocorrelograms, and neurons were identified by their somatodendritic morphology after intracellular injection of horseradish peroxidas...
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Long-term potentiation (LTP) of synaptic efficacy was examined in interneurons and giant cells in the stratum radiatum region of the hippocampal CA1 subfield. Cells were visually selected using differential interference contrast (DIC) optics and filled with biocytin while being recorded using whole-cell patch-clamp techniques. Electrophysiological criteria, including spike height, width, and de...
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15 صفحه اولDepression of fast excitatory synaptic transmission in large aspiny neurons of the neostriatum after transient forebrain ischemia.
Spiny neurons in the neostriatum die within 24 hr after transient global ischemia, whereas large aspiny (LA) neurons remain intact. To reveal the mechanisms of such selective cell death after ischemia, excitatory neurotransmission was studied in LA neurons before and after ischemia. The intrastriatally evoked fast EPSCs in LA neurons were depressed < or =24 hr after ischemia. The concentration-...
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ژورنال
عنوان ژورنال: The Journal of Neuroscience
سال: 1990
ISSN: 0270-6474,1529-2401
DOI: 10.1523/jneurosci.10-02-00508.1990