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. Author manuscript; available in PMC: 2011 Sep 8.
Published in final edited form as: Brain Res. 2010 May 10;1345:1–8. doi: 10.1016/j.brainres.2010.05.009

Figure 1.

Figure 1

A- Photomicrograph of the brainstem slice preparation. The fourth ventricle is at the top of the figure; the recording electrode is shown entering from the right side of the field; its tip is located in the left hypoglossal nucleus. A stimulating electrode enters the field from the lower left; the tip is located in the nucleus of Roller. The inferior olive is at the bottom of the slice. Calibration bar: 200µM. B- Diagram of this brainstem preparation. 4V (fourth ventricle), NXII (hypoglossal nucleus), IO (inferior olive), R (recording) and S (stimulating) electrodes.