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. Author manuscript; available in PMC: 2012 Feb 7.
Published in final edited form as: J Neurosci. 2011 Jan 12;31(2):735–741. doi: 10.1523/JNEUROSCI.3955-10.2011

Figure 4.

Figure 4

Baseline thresholds and suprathreshold ABRs and DPOAEs in PLZF mutants versus wild types. a, b, Thresholds for unexposed groups of animals [PLZF-deficient homozygotes (–/–) and heterozygotes (+/–), and wild types, 6 weeks of age] are shown for ABRs (a) and DPOAEs (b). c, d, Response growth with increasing stimulus level is shown, for example, at 16 kHz in c (ABR) and d (DPOAE). PLZF-deficient –/– mice demonstrate ABR and DPOAE threshold elevations of 15–30 dB and reduced suprathreshold amplitudes relative to +/+ (p < 0.01 by ANOVA), while +/– mice maintained nearly normal responses (p > 0.05 by ANOVA). Data are expressed as means ± SE, with 4–8 mice in each group. The key in b applies to all panels.