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Magnetic auditory evoked fields (MAEFs) were recorded from the left hemisphere of 7 normal human subjects in response to 512 binaural click stimuli. The instrument was a figure-eight SQUID gradiometer that measured the transverse gradient of the field perpendicular to the scalp. Its response to a current dipole source inside the head was a cosine function of the angular orientation of the gradiometer about an axis perpendicular to the scalp. Measurements were made at various orientations from which were derived the orientation of the equivalent dipole source. Our findings suggest that when considering total magnetic energy, current dipoles in the vicinity of the transverse gyri of Heschl, whose primary orientation are approximately perpendicular to the sylvian fissure, appear to be the major contributors to the magnetic fields produced by click stimuli.
J T Zimmerman, and
M Reite, and
J E Zimmerman
January 1989,
Frontiers of medical and biological engineering : the international journal of the Japan Society of Medical Electronics and Biological Engineering,
J T Zimmerman, and
M Reite, and
J E Zimmerman
January 1990,
Advances in neurology,
J T Zimmerman, and
M Reite, and
J E Zimmerman
November 1993,
Physiological measurement,
J T Zimmerman, and
M Reite, and
J E Zimmerman
October 1991,
Proceedings of the National Academy of Sciences of the United States of America,
J T Zimmerman, and
M Reite, and
J E Zimmerman
January 1996,
Brain topography,
J T Zimmerman, and
M Reite, and
J E Zimmerman
January 1999,
Neuroscience letters,
J T Zimmerman, and
M Reite, and
J E Zimmerman
January 1986,
Neuropsychobiology,
J T Zimmerman, and
M Reite, and
J E Zimmerman
August 2013,
Hearing research,
J T Zimmerman, and
M Reite, and
J E Zimmerman
July 1991,
Annals of neurology,
J T Zimmerman, and
M Reite, and
J E Zimmerman
January 1983,
Revue de laryngologie - otologie - rhinologie,
