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. Author manuscript; available in PMC: 2021 Jan 27.
Published in final edited form as: Behav Brain Res. 2019 Oct 3;378:112189. doi: 10.1016/j.bbr.2019.112189

Fig. 1.

Fig. 1.

The quantity and spectral characteristics of ultrasonic vocalizations (USVs) emitted. (a). There was no significant difference in the total quantity of USVs emitted between wildtype (WT) and knockout (KO) mice (p > .05). (b-d.) Knockout animals emitted USVs of a lower peak frequency, shorter duration, and a higher peak amplitude than wildtype mice. (e). There was no statistically significant difference in the fundamental frequency between groups. Data are presented as the mean ± standard error of the mean (SEM). * = p < 0.05.