Journal
PHYSICS IN MEDICINE AND BIOLOGY
Volume 58, Issue 17, Pages 6065-6077Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0031-9155/58/17/6065
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Funding
- Laboratory Directed Research and Development grant at Sandia National Laboratories
- US Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health [R01EB013302]
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The authors have detected magnetic fields from the human brain with two independent, simultaneously operating rubidium spin-exchange-relaxation-free magnetometers. Evoked responses from auditory stimulation were recorded from multiple subjects with two multi-channel magnetometers located on opposite sides of the head. Signal processing techniques enabled by multi-channel measurements were used to improve signal quality. This is the first demonstration of multi-sensor atomic magnetometer magnetoencephalography and provides a framework for developing a non-cryogenic, whole-head magnetoencephalography array for source localization.
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