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. Author manuscript; available in PMC: 2009 Feb 24.
Published in final edited form as: Dev Neurobiol. 2008 Nov;68(13):1463–1473. doi: 10.1002/dneu.20667

Figure 4.

Figure 4

Effects of differently timed embryonic auditory stimulation on animals’ choice for filial auditory or visual stimuli. Control groups are shaded to aid visual comparison of within-group measures. A: For auditory latency, hatchlings in all four groups showed a faster response to the conspecific stimulus, and this effect was particularly robust for the E22–E23 group. In contrast, only animals from the control and E8–E9 groups showed a faster response to the conspecific stimulus in the visual choice tests. The E15–E16 group showed a faster response to the heterospecific stimulus. B: Duration scores are closely in line with latency data in response direction and strength, with the exception that the E15–E16 group showed no statistically significant difference for either stimulus in visual tests. Data signify median with interquartile range. Significance values represent those obtained from Wilcoxon signed-ranks tests, *p < 0.05; **p < 0.01; ‡p < 0.0001; ns, not significantly different.