Near- and far-fields: source characteristics and the conducting medium in neurophysiology.

@article{Stegeman1997NearAF,
  title={Near- and far-fields: source characteristics and the conducting medium in neurophysiology.},
  author={D. F. Stegeman and Daniel Dumitru and John C. King and K. Roeleveld},
  journal={Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society},
  year={1997},
  volume={14 5},
  pages={429-42}
}
It is possible to appreciate the production of far-field potentials by considering constant current dipolar source voltage distributions in bounded volumes, especially when they are stretched in one direction, e.g., a cylinder. An essentially nondeclining voltage is detected when the recording electrodes are on opposite sides of, and relatively far from, the dipolar source. This voltage maintains its (a) latency, (b) amplitude, (c) morphology, and (d) polarity even if recordings are performed a… CONTINUE READING

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