Extrinsic modulation of theta field activity in the entorhinal cortex of the anesthetized rat.

@article{Dickson1994ExtrinsicMO,
  title={Extrinsic modulation of theta field activity in the entorhinal cortex of the anesthetized rat.},
  author={Clayton T. Dickson and Christopher Trepel and Brian H. Bland},
  journal={Hippocampus},
  year={1994},
  volume={4 1},
  pages={
          37-51
        }
}
Field recordings of the entorhinal cortex (EC) were studied and compared to those recorded concomitantly in the dentate region of the hippocampal formation (HPC) in the urethane anesthetized rat. The EC, like the HPC, showed two main variations of spontaneous field activity: a desynchronized, large amplitude irregular activity and a synchronized, rhythmic, slow frequency field activity (RSA or theta). Corroborating previous research, a phase reversal was seen across layer II of the EC and when… CONTINUE READING
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