A rapid histological technique for localizing recording sites in single unit electrophysiological studies in vitro |
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Authors: | Michael E. Trulson M.Samuel Cannon Evelyn D. Kapes |
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Affiliation: | Department of Anatomy, College of Medicine, Texas A&M University, College Station, TX 77843 USA |
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Abstract: | Recording sites from single unit electrophysiological studies in vitro can be precisely localized by first marking the recording locus either by depositing Fast Green dye (for micropipette studies) or electrolytic lesioning (for metal electrode studies). The slices are then fixed in paraformaldehyde, placed in sucrose and attached to a coverslip by the surface tension of water. The slices are attached to a base brain in a cryostat so that the sections can be cut at the proper angle. The slices are then stained using a Nissl staining protocol. This procedure provides intact sections from small tissue slices with the recording locus clearly demarcated. |
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Keywords: | In vitro Single unit recording Electrophysiology Tissue slices Histology Nissl stain |
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