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Effect of ionic diffusion on extracellular potentials (Halnes et al 2016)
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"Recorded potentials in the extracellular space (ECS) of the brain is a standard measure of population activity in neural tissue. Computational models that simulate the relationship between the ECS potential and its underlying neurophysiological processes are commonly used in the interpretation of such measurements. Standard methods, such as volume-conductor theory and current-source density theory, assume that diffusion has a negligible effect on the ECS potential, at least in the range of frequencies picked up by most recording systems. This assumption remains to be verified. We here present a hybrid simulation framework that accounts for diffusive effects on the ECS potential. ..."
Halnes G, Mäki-Marttunen T, Keller D, Pettersen KH, Andreassen OA, Einevoll GT (2016) Effect of Ionic Diffusion on Extracellular Potentials in Neural Tissue
PLoS Comput Biol
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Neuron or other electrically excitable cell;
Neocortex U1 L6 pyramidal corticalthalamic cell;
Halnes, Geir [geir.halnes at nmbu.no];
Maki-Marttunen, Tuomo [tuomo.maki-marttunen at tut.fi];
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Neocortex U1 L6 pyramidal corticalthalamic cell
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