Abstract
We have adapted the Recce-O’Keefe tetrode for use in monkey cortex. Eleven penetrations have been made over macaque area MT to evaluate the mechanical and electrical properties of our design. Experiments have been made with 15 and 25 μm insulated nichrome wire running through oil-filled 33 gauge stainless steel guide tubes. Electrically, the tetrodes compare favorably with traditional tungsten electrodes for single-unit isolation, and are superior for multi-unit recordings. Preliminary histology shows straight tracks at up to 12 mm tetrode extension.
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This paper was presented in poster form at CNS*95, but did not appear in that year’s proceedings due to an administrative error. By agreement with the editor, it appears here in the proceedings for CNS*96.
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Refrences
Recce, M. L., and O’Keefe, J., “The tetrode: an improved technique for multi-unit extracellular recording.” Society of Neuroscience Abstracts, 15 (2), p. 1250 (1989).
Wilson, M. A., and McNaughton, B. L., “Dynamics of the hippocampal ensemble code for space,” Science. 261 (5124), pp. 1055–1058 (1993).
Gray, C. M., et al, “Tetrodes markedly improve the yield and reliability of multiple single unit isolation from multiunit recordings in cat striate cortex,” Society, /dr Neuroscience Abstracts. 20 (1), p. 625 (1994).
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© 1997 Springer Science+Business Media New York
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Pezaris, J.S., Sahani, M., Andersen, R.A. (1997). Tetrodes for Monkeys. In: Bower, J.M. (eds) Computational Neuroscience. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9800-5_145
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DOI: https://doi.org/10.1007/978-1-4757-9800-5_145
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-9802-9
Online ISBN: 978-1-4757-9800-5
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