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. 2018 Jul 18;12:146. doi: 10.3389/fnbeh.2018.00146

Figure 6.

Figure 6

Dyadic interactions between female pairs of mice: lower frequency of vocalization and restricted repertoire in KO-mice. Mean call activity was lower in KO and HET than CTR pairs (A). Mean USV duration was lowest in KO and lower in HET than CTR pairs (B). Mean peak frequency was higher in KO than CTR pairs (C). There was a trend for a higher total duration of resident → intruder sniffing (all body areas) in KO and HET than in CTR pairs (D). In the sample as a whole, we found a positive correlation between mean call activity and the total duration of resident → intruder sniffing (all body areas) (E). Black triangles, circles filled in gray and empty squares represent data of KO, HET and CTR pairs, respectively. KO pairs produced only USV belonging to the less complex types, whereas both HET and CTR pairs produced USV of the entire repertoire (F). (n = 4 CTR, 4 HET, 4 KO). (#p < 0.05, ##p < 0.01, ###p < 0.001).