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Somatically Evoked Magnetic Fields of the Human Brain
Abstract
The human brain is found to produce a magnetic field near the scalp which varies in synchrony with periodic electrical stimulation applied to a finger. Use of a highly sensitive superconducting quantum interference device as a magnetic field detector reveals that the brain's field is sharply localized over the primary projection area of the sensory cortex contralateral to the digit being stimulated. The phase of the response at the stimulus frequency varies monotonically with the repetition rate and at intermediate frequencies yields a latency of approximately 70 milliseconds for cortical response.
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Citations
Cited by
Hämäläinen, M., Hari, R., Ilmoniemi, R. J., Knuutila, J., & Lounasmaa, O. V. (1993) · Reviews of Modern Physics · doi:10.1103/revmodphys.65.413 · Cited by 4,684
Visualization of Magnetoencephalographic Data Using Minimum Current Estimates
Uutela, K., Hämäläinen, M., & Somersalo, E. (1999) · NeuroImage · doi:10.1006/nimg.1999.0454 · Cited by 512
Hari, R., Kaila, K., Katila, T., Tuomisto, T., & Varpula, T. (1982) · Electroencephalography and Clinical Neurophysiology · doi:10.1016/0013-4694(82)90041-4 · Cited by 364
Demonstration of useful differences between magnetoencephalogram and electroencephalogram
Cohen, D., & Cuffin, B. N. (1983) · Electroencephalography and Clinical Neurophysiology · doi:10.1016/0013-4694(83)90005-6 · Cited by 300
Jones, S. R., Pritchett, D. L., Stufflebeam, S. M., Hämäläinen, M., & Moore, C. I. (2007) · The Journal of Neuroscience · doi:10.1523/jneurosci.0482-07.2007 · Cited by 160
Metadata
- Authors
- Brenner, D., Lipton, J., Kaufman, L., & Williamson, S. J.
- Venue
- Science
- Published
- 1978-01-06
- Volume
- 199
- Issue
- 4324
- Pages
- 81-83
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2027533821
- Cited by
- 227
- References
- 0
- FWCI
- 2.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Brenner, D., Lipton, J., Kaufman, L., & Williamson, S. J. (1978). Somatically Evoked Magnetic Fields of the Human Brain. Science. https://doi.org/10.1126/science.199.4324.81
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
