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. Author manuscript; available in PMC: 2008 Apr 3.
Published in final edited form as: J Neurosci. 2005 Mar 23;25(12):3041–3045. doi: 10.1523/JNEUROSCI.5277-04.2005

Figure 2.

Figure 2

Mean ± SD auditory brainstem response (ABR) thresholds in young and old B6.CAST mice with or without the β2 subunit. ABR thresholds were measured for 2-month-old β2+/+ (6 male and 6 female) and β2−/− (4 male and 8 female) mice and also for 8-month-old wild-type AHL allele with β2+/+(5 male and 5 female) and β2−/−(8 male and 6 female) mice. Significant differences in 8-month-old mice between β2+/+ and β2−/− mice were found across all five frequencies tested (two-way ANOVA on ranks with Dunn multiple comparisons; p<0.01).