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Evolution of neuromagnetic topographic mapping

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Summary

Magnetoencephalography has developed during the past twenty years with a different overall emphasis than found in electroencephalography. These differences are explored in selected applications. One dominant feature of magnetic studies is a quantitative approach to characterize the strength of neuronal activity, as well as its position within the brain. There is evidence from recent analyses of current source-density measurements in animal models that the deduced peak neuronal strength can also be interpreted in terms of the spatial extent of activity across cortex.

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Authors and Affiliations

  1. Neuromagnetism Laboratory, Departments of Physics and Psychology and Center for Neural Science, New York University, 10003, New York City, NY, USA

    S. J. Williamson & L. Kaufman

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  1. S. J. Williamson
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  2. L. Kaufman
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Acknowledgements: We thank Zhonglin Lü and Drs. Barry Schwartz, Carlo Salustri, and Jia-Zhu Wang for helpful discussions. This work was supported in part by Air Force Office of Scientific Research grants F49620-88-K-0004 and F49620-88-C-0131.

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Williamson, S.J., Kaufman, L. Evolution of neuromagnetic topographic mapping. Brain Topogr 3, 113–127 (1990). https://doi.org/10.1007/BF01128868

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