A motorized microdrive for recording of neural ensembles in awake behaving rats

R. Venkateswaran, Christopher J Boldt, J. Parthasarathy, B. Ziaie, A. G. Erdman, A. D. Redish

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

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 30 mm in diameter and 50 mm in length and weighed about 30 gms. This paper presents the results of linear displacements of electrodes achievable with this motorized microdrive.

Original languageEnglish (US)
Pages (from-to)1035-1040
Number of pages6
JournalJournal of Biomechanical Engineering
Volume127
Issue number6
DOIs
StatePublished - Nov 1 2005

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