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. Author manuscript; available in PMC: 2010 Jan 30.
Published in final edited form as: J Neurosci Methods. 2008 Sep 11;176(2):104–111. doi: 10.1016/j.jneumeth.2008.08.034

Figure 2.

Figure 2

Recording chamber and plastic cylinder. The cylinder must fit snugly within the recording chamber so that the long axis of the cylinder is parallel to the long axis of the cylinder.