Miniaturized induction coil-based neural magnetometer

Abstract

An electromagnetic bio-signal detector to monitor very weak evoked action potentials associated with neurotransmissions is described. The small induction-coil array detector and integrated circuit design enables the device to have a small and possibly portable form factor while minimizing cost. Advanced signal processing methods enables the device to detect very weak electromagnetic signals without the need for shielding to reduce electromagnetic background emissions. The combination of cost, size, and sensitivity affords the electromagnetic bio-signal detector broad utility both inside and outside hospital settings and for numerous diagnostic and treatment feedback applications.

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