Multiregion bicentric-spheres models of the head for the simulation of bioelectric phenomena.
basic_science · Level V
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Abstract
Equations are derived for the electric potentials [electroencephalogram (EEG)] produced by dipolar sources in a multiregion bicentric-spheres volume-conductor head model. Being the equations valid for an arbitrary number of regions, our proposal is a generalization of many spherical models presented so far in literature, each of those regarded as a particular case of our multiregion model. Moreover, our approach allows considering new features of the head volume-conductor to better approximate electrical properties of the real head.
Medical subject headings
- Brain
- Brain Mapping
- Diagnosis, Computer-Assisted
- Electroencephalography
- Head
- Models, Neurological