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. Author manuscript; available in PMC: 2009 Oct 12.
Published in final edited form as: IEEE Trans Biomed Eng. 2009 Jun 2;56(9):2181–2189. doi: 10.1109/TBME.2009.2024087

Fig. 1.

Fig. 1

Simultaneous serosal electrode (SER) and magnetic (MENG) recordings of small bowel electrical activity were made in a porcine model. The black circle indicates the extent of the abdominal area covered by the SQUID magnetometer; X’s mark the positions of the detection coils. The sutured incision giving access to the GI organs is evident running vertically. The bundle of wires emerging from the bottom of the incision are connected to the serosal electrodes. The cutaneous electrode affixed to the right of the incision is the common-mode reference electrode.