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Neuromagnetic localization of two components of the transient visual evoked response to patterned stimulation

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Il Nuovo Cimento D

Summary

Corresponding electrical and magnetic components of the brain’s visual evoked response peaking at 120 and 180 ms poststimulus are examined. Results show that both magnetic components are localized in the superficial occipital cortex tangential to the scalp. The distribution ofM120 suggests that the generators for the electrical and magnetic components are related, but the electrical field recorded is an elaborate modification of that produced by the source.

Riassunto

Si esamiano i componenti elettrici e magnetici della risposta stimolata visiva del cervello, con picchi a 120 e 180 ms dopo lo stimolo. I risultati mostrano che entrambi i componenti magnetici sono localizzati nella corteccia occipitale superficiale tangenziale al cuoio capelluto. La distribuzione diM120 suggerisce che i generatori dei componenti elettrici e magnetici sono correlati, ma il campo magnetico elettrico registrato è una modificazione elaborata di quello prodotto dalla sorgente.

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Authors and Affiliations

  1. Department of Psychology and Brain Research Institute, University of California, Los Angeles, Cal

    F. Richer, D. S. Barth & J. Beatty

Authors
  1. F. Richer
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  2. D. S. Barth
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  3. J. Beatty
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Additional information

This research was supported by the U.S. Office of Naval Research Contract N00014-76-C-0616.

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Richer, F., Barth, D.S. & Beatty, J. Neuromagnetic localization of two components of the transient visual evoked response to patterned stimulation. Il Nuovo Cimento D 2, 420–428 (1983). https://doi.org/10.1007/BF02455942

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  • DOI: https://doi.org/10.1007/BF02455942

PACS. 87.40

PACS. 85.25

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