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Pubmed for Handhelds

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  • Title: A multitransducer microsystem for insect monitoring and control.
    Author: Lemmerhirt DF, Staudacher EM, Wise KD.
    Journal: IEEE Trans Biomed Eng; 2006 Oct; 53(10):2084-91. PubMed ID: 17019873.
    Abstract:
    This paper reports the development and in-vivo testing of a compact multitransducer microsystem intended for neuroethology experiments, including studies of gait dynamics in free-running insects. The system incorporates a combination of custom and off-the-shelf components. Its suite of measurement devices comprises leg-mounted strain gauges, electromyogram (EMG) and extracellular electrodes for the central nervous system, and a two-axis accelerometer. For signal conditioning and selection, the microsystem implements off-the-shelf electronics in a custom chip-on-board configuration. The microsystem measures 16 mm x 19 mm, supports 40 components and 56 I/O leads, and is assembled on a four-layer printed-circuit board. The entire system occupies only 0.65 cm3 and weighs less than 5 g. It has been successfully used to monitor leg-strain and EMG signals on walking cockroaches and for stimulation in the insect central nervous and muscular systems.
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