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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: IEEE J Emerg Sel Top Circuits Syst. 2018 Mar 5;8(2):221–229. doi: 10.1109/JETCAS.2018.2812105

Fig. 4.

Fig. 4

The flow chart shows how the front-end module works in the recording mode (transmitting 500 packets), switches to the stimulation mode (receiving stimulation instructions) and restarts the loop.