Relationship between synaptic activity and prolonged field bursts in the dentate gyrus of the rat hippocampal slice.

@article{Schweitzer1995RelationshipBS,
  title={Relationship between synaptic activity and prolonged field bursts in the dentate gyrus of the rat hippocampal slice.},
  author={Jeffrey S. Schweitzer and A Williamson},
  journal={Journal of neurophysiology},
  year={1995},
  volume={74 5},
  pages={
          1947-52
        }
}
1. Previous studies in the dentate granule cell layer of the rat hippocampal slice have demonstrated that nonsynaptic, seizurelike prolonged field bursts occur in conditions of low extracellular Ca2+ concentration ([Ca2+]o) and elevated [K+]o. We hypothesize that the extracellular ion concentration changes induced by synaptic activation of dentate granule cells would be sufficient to initiate these nonsynaptic bursts. 2. Using ion-selective electrode recording, we observed large changes in [Ca2… CONTINUE READING

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