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

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

2006-12-05

arxiv.org/abs/physics/0612048v1

Int.Congress Ser.1300:631-634,2007

Physics

Medical Physics

To appear in Proceedings of 15th International Conference on Biomagnetism

Scientific paper

10.1016/j.ics.2007.01.050

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 microtesla field, as well as results of auditory MEG measurements with the new system.

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