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Literature DB >> 8359243

Priming stimulation facilitates Hebb-type plasticity in the Schaffer collateral-commissural pathways of the mouse hippocampus.

N B Fedorov¹, O A Sergeeva, V G Skrebitsky.

Abstract

Hebb-type plastic changes of synaptic transmission were analyzed in the Schäffer collateral-commissural pathways (SC) of the mouse hippocampal slice. Low frequency (0.05-0.1 Hz) SC stimulation (S2) was paired with intracellular depolarization (100-200 ms; 2-3 nA) of CA1 pyramidal. Postpairing facilitation of synaptic responses in picrotoxin-free medium occurred only when S2 was "primed" with neurons the preceding shock (S1) administered through the same electrode 200 ms before S2. Priming-determined disinhibition in local circuitry is supposed to be responsible for this phenomenon.

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Year: 1993 PMID： 8359243 DOI： 10.1007/bf00230295

Source DB: PubMed Journal: Exp Brain Res ISSN： 0014-4819 Impact factor: 1.972

14 in total

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1 in total

Review 1. Synaptic plasticity in the hippocampus during afferent activation reproducing the pattern of the theta rhythm (theta plasticity).

Authors: A M Kleshchevnikov
Journal: Neurosci Behav Physiol Date: 1999 Mar-Apr

1 in total

Priming stimulation facilitates Hebb-type plasticity in the Schaffer collateral-commissural pathways of the mouse hippocampus.

1. [The influence of neuronal discharge on the effectiveness of its synaptic inputs].

2. Long-lasting potentiation of synaptic transmission requires postsynaptic modifications in the neocortex.

Review 3. Excitatory amino acid neurotransmission: NMDA receptors and Hebb-type synaptic plasticity.

4. Hebbian synapses in hippocampus.

5. Hippocampal long-term potentiation is induced by pairing single afferent volleys with intracellularly injected depolarizing current pulses.

6. Selective facilitation of synapses in the neocortex by heterosynaptic activation.

7. A simple chamber for recording from submerged brain slices.

8. Characteristics of hippocampal primed burst potentiation in vitro and in the awake rat.

9. (-)-Baclofen activates presynaptic GABAB receptors on GABAergic inhibitory neurons from embryonic rat hippocampus.

10. Excitatory amino acids in synaptic transmission in the Schaffer collateral-commissural pathway of the rat hippocampus.

Review 1. Synaptic plasticity in the hippocampus during afferent activation reproducing the pattern of the theta rhythm (theta plasticity).