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1 results

  • 6 - Schemes for Computing Extracellular Potentials

  • Geir Halnes, Norwegian University of Life Sciences, Torbjørn V. Ness, Norwegian University of Life Sciences, Solveig Næss, Universitetet i Oslo, Espen Hagen, Universitetet i Oslo, Klas H. Pettersen, The Norwegian Artificial Intelligence Research Consortium, Gaute T. Einevoll, Norwegian University of Life Sciences
  • Book:
    Electric Brain Signals
    Published online:
    30 May 2024
    Print publication:
    06 June 2024, pp 129-157

  • Summary

    The standard two-step scheme for modeling extracellular signals is to first compute the neural membrane currents using multicompartment neuron models (step 1) and next use volume-conductor theory to compute the extracellular potential resulting from these membrane currents (step 2). In this chapter, we introduce ways to implement this scheme in computer simulations based on designated software such as LFPy, the NEURON simulator, or the Arbor simulator. We also introduce various methods for reducing the computational cost of simulating the extracellular potentials of large networks of neurons as well as introduce heuristic approximate signal prediction methods.