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PMID: 1924362 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Human auditory evoked gamma-band magnetic fields.

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 88 ·No. 20 ·1991-10-15 ·Pages 8996-9000

Pantev C, Makeig S, Hoke M, Galambos R, Hampson S, Gallen C

Abstract

We have discovered a ca. 40-Hz transient magnetic oscillatory response, evoked in the human brain by the onset of auditory stimuli, consisting of four or more cycles locked in phase to stimulus onset in approximately the 20- to 130-ms poststimulus interval. The response originates in the supratemporal auditory cortex, some millimeters deeper and anterior to the source of the larger-amplitude slow-wave M100 component of the evoked magnetic field and moves in a posterior arcing trajectory 1 cm or more in length. The oscillatory cortical activation elicited by auditory stimuli may be similar to the gamma-band cortical oscillations elicited by olfactory and visual stimuli and may represent an essential component of auditory perceptual processing.

MeSH Terms

Acoustic Stimulation Adult Brain/physiology Evoked Potentials, Auditory Functional Laterality Humans Magnetics Temporal Lobe/physiology

Authors & Affiliations

6 authors, click to expand affiliations / ORCID

Pantev C

Naval Health Research Center, San Diego, CA 92186.

Makeig S

Hoke M

Galambos R

Hampson S

Gallen C

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Article Info

Journal

Proceedings of the National Academy of Sciences of the United States of America

Abbr.

Proc Natl Acad Sci U S A

ISSN

0027-8424

DOI

10.1073/pnas.88.20.8996

Published

1991-10-15

Pages

8996-9000

Language

English

Region

United States

NLM ID

7505876

PMCID

PMC52638

Subset

External Links

PubMed source DOI: 10.1073/pnas.88.20.8996 PMC Full Text View journal details

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Human auditory evoked gamma-band magnetic fields.

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