The recording of neural ensembles in awake, behaving rats has been an extremely successful experimental paradigm, providing demonstrable scientific advances. Dynamic control of the position of the implanted electrodes is of key importance as mobile electrodes provide a better signal-to-noise ratio and a better cell/electrode yield than nonmobile electrodes. Here we describe the use of low cost, soon to be commercially available dc motors to successfully control the depth of electrodes. The prototype designed is approximately in diameter and in length and weighed about . This paper presents the results of linear displacements of electrodes achievable with this motorized microdrive.
A Motorized Microdrive for Recording of Neural Ensembles in Awake Behaving Rats
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Venkateswaran, R., Boldt, C., Parthasarathy, J., Ziaie, B., Erdman, A. G., and Redish, A. D. (July 7, 2005). "A Motorized Microdrive for Recording of Neural Ensembles in Awake Behaving Rats." ASME. J Biomech Eng. November 2005; 127(6): 1035–1040. https://doi.org/10.1115/1.2049332
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