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The forward transfer function of the potential from the cortex to the scalp

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4 Author(s)

Summary form only given. The forward transfer function of potential from the cortical surface to the scalp surface is investigated in this paper. The integral equation of the first kind, which relates cortex to scalp potential, has been derived, and the analytic solution of the point spread function of potential in a three-shelled homogeneous, spherical volume conductor head model has been derived. Simulation results show that the forward transfer coefficient is affected by the ratio of skull to scalp conductivities and the 3 db point of the potential point spread function averages about 1.7 cm under newly suggested value of tissue conductivities founded by recent studies.

Published in:

Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, 2002. Proceedings of the Second Joint  (Volume:3 )

Date of Conference:

23-26 Oct. 2002