Suprathreshold stochastic firing dynamics with memory in P-type electroreceptors.

  title={Suprathreshold stochastic firing dynamics with memory in P-type electroreceptors.},
  author={Maurice J. Chacron and Andr{\'e} Longtin and Martin St-Hilaire and Len Maler},
  journal={Physical review letters},
  volume={85 7},
Weakly electric fish generate a periodic electric field as a carrier signal for active location and communication tasks. Highly sensitive P-type receptors on their surface fire in response to carrier amplitude modulations (AM's) in a noisy phase locked fashion. A simple generic model of receptor activity and signal encoding is presented. Its suprathreshold dynamics, memory and receptor noise reproduce observed firing interval distributions and correlations. The model ultimately explains how… CONTINUE READING

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