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The conductivity of the human skull: results of in vivo and in vitro measurements

Oostendorp, T.F., Delbeke, J., Stegeman, D.F.·2000·IEEE Transactions on Biomedical Engineering

Abstract

The conductivity of the human skull was measured both in vitro and in vivo. The in vitro measurement was performed on a sample of fresh skull placed within a saline environment. For the in vivo measurement a small current was passed through the head by means of two electrodes placed on the scalp. The potential distribution thus generated on the scalp was measured in two subjects for two locations of the current injecting electrodes. Both methods revealed a skull conductivity of about 0.015 [symbol: see text]/m. For the conductivities of the brain, the skull and the scalp a ratio of 1:1/15:1 was found. This is consistent with some of the reports on conductivities found in the literature, but differs considerably from the ratio 1:1/80:1 commonly used in neural source localization. An explanation is provided for this discrepancy, indicating that the correct ratio is 1:1/15:1.

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Metadata

Authors
Oostendorp, T. F., Delbeke, J., & Stegeman, D. F.
Venue
IEEE Transactions on Biomedical Engineering
Published
2000-11
Volume
47
Issue
11
Pages
1487-1492
ISSN
0018-9294 (ISSN-L)
OpenAlex
W2107348639
Cited by
467
References
0
FWCI
6.78
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The conductivity of the human skull: results of in vivo and in vitro measurements. https://app.cochat.ai/papers/10.1109/tbme.2000.880100
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Oostendorp, T. F., Delbeke, J., & Stegeman, D. F. (2000). The conductivity of the human skull: results of in vivo and in vitro measurements. IEEE Transactions on Biomedical Engineering. https://doi.org/10.1109/tbme.2000.880100

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