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. 2021 Aug 13;12:687060. doi: 10.3389/fpsyt.2021.687060

Figure 1.

Figure 1

USV developmental trajectory and comparison in CD-1 outbred and FVB inbred mice. (A) CD-1 and FVB mice display a similar USV development, however, CD-1 mice emitted significantly more USVs on PD 12 than FVB mice emitted on PD 12, with no other differences present between groups. (B) FVB mice emitted USVs of a shorter duration than CD-1 mice on PD 4 and 8, with no other differences present. (C) FVB mice emitted USVs of a higher overall minimum frequency than CD-1 mice. (D) FVB mice emitted USVs of an overall higher maximum frequency than CD-1 mice. (E) There were no differences in mean amplitude between CD-1 and FVB mice. (F) Animal's weights increased linearly overtime, with no differences between groups present. A total of 60 mice were assessed, 15 males and females per each group. The data points represent the mean and the error bars represent the standard error of the mean. *p < 0.05, **p < 0.01.