Multi-sensor system for simultaneous ultra-low-field MRI and MEG

Magnetoencephalography (MEG) and magnetic resonance imaging at ultra-low fields (ULF MRI) are two methods based on the ability of SQUID (superconducting quantum interference device) sensors to detect femtotesla magnetic fields. Combination of these methods will allow simultaneous functional (MEG) an...

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Published inInternational Congress series Vol. 1300; pp. 631 - 634
Main Authors Zotev, Vadim S., Matlachov, Andrei N., Volegov, Petr L., Sandin, Henrik J., Espy, Michelle A., Mosher, John C., Urbaitis, Algis V., Newman, Shaun G., Kraus, Robert H.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.06.2007
Subjects
Biomagnetism
Co-registration
MEG
MRI
SQUID
Co-registration
Biomagnetism
MRI
SQUID
MEG
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Abstract Magnetoencephalography (MEG) and magnetic resonance imaging at ultra-low fields (ULF MRI) are two methods based on the ability of SQUID (superconducting quantum interference device) sensors to detect femtotesla magnetic fields. Combination of these methods will allow simultaneous functional (MEG) and structural (ULF MRI) imaging of the human brain. In this paper, we report the first implementation of a multi-sensor SQUID system designed for both MEG and ULF MRI. We present a multi-channel image of a human hand obtained at 46 μT field, as well as results of auditory MEG measurements with the new system.
AbstractList Magnetoencephalography (MEG) and magnetic resonance imaging at ultra-low fields (ULF MRI) are two methods based on the ability of SQUID (superconducting quantum interference device) sensors to detect femtotesla magnetic fields. Combination of these methods will allow simultaneous functional (MEG) and structural (ULF MRI) imaging of the human brain. In this paper, we report the first implementation of a multi-sensor SQUID system designed for both MEG and ULF MRI. We present a multi-channel image of a human hand obtained at 46 μT field, as well as results of auditory MEG measurements with the new system.
Author Volegov, Petr L.
Sandin, Henrik J.
Mosher, John C.
Kraus, Robert H.
Espy, Michelle A.
Zotev, Vadim S.
Newman, Shaun G.
Matlachov, Andrei N.
Urbaitis, Algis V.
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Cites_doi 10.1126/science.161.3843.784
10.1073/pnas.0402382101
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10.1002/mrm.20193
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Keywords Co-registration
Biomagnetism
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SQUID
MEG
Language English
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SubjectTerms Biomagnetism
Co-registration
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MRI
SQUID
Title Multi-sensor system for simultaneous ultra-low-field MRI and MEG
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