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Application of acoustic-electric interaction for neuro-muscular activity mapping: A review

Thordur Helgason, Kristin Inga Gunnlaugsdottir
  • Thordur Helgason
    Reykjavik University, Reykjavik; Science and Development Department, Landspítali – University Hospital, Reykjavík, Iceland | thordur@landspitali.is
  • Kristin Inga Gunnlaugsdottir
    Reykjavik University, Reykjavik; Science and Development Department, Landspítali – University Hospital, Reykjavík, Iceland; University of Lübeck, Lübeck; University of Applied Sciences, Lübeck, Germany

Abstract

Acousto-electric interaction signal (AEI signal) resulting from interaction of acoustic pressure wave and electrical current field has received recent attention in biomedical field for detection and registration of bioelectrical current. The signal is very of small value and brings about several challenges when detecting it. Several observations has been done in saline solution and on nerves and tissues under controlled condition that give optimistic indication about its utilization. Ultrasound Current Source Density Imaging (UCSDI) has been introduced, that uses the AEI signal to image the current distribution. This review provides an overview of the investigations on the AEI signal and USCDI imaging that has been made, their results and several considerations on the limitations and future possibilities on using the acousto-electric interaction signal.

Keywords

Acousto-electric interaction signal, Ultrasound Current Source Density Imaging, tissues, muscles

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Submitted: 2014-10-08 15:47:05
Published: 2015-01-21 12:57:24
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Copyright (c) 2015 Thordur Helgason, Kristin Inga Gunnlaugsdottir

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