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. Author manuscript; available in PMC: 2007 Mar 5.
Published in final edited form as: Hear Res. 2006 Dec 18;224(1-2):34–50. doi: 10.1016/j.heares.2006.11.005

Figure 2.

Figure 2

A. Mean (+SD) basal turn endocochlear potentials measured 1–3 hrs after noise exposure in young and old B6, B6.CAST-Cdh23CAST congenics, young and old CBA/J, and young CBA/CaJ mice. Only CBA mice showed significant EP reduction versus non-exposed controls of the same strain. B. Basal turn EP versus apical turn EP for the mice depicted in A. The normal spatial gradient for EP is preserved in B6 mice, but eliminated or reversed in CBAs, which show almost complete separation from B6.