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. 2015 Mar 18;9:73. doi: 10.3389/fnins.2015.00073

Figure 4.

Figure 4

Sequential analysis of the durations of subsequent isolation-induced ultrasonic vocalizations (USV) indicating non-random call emission patterns in BTBR T+tf/J (upper panel) and C57BL/6J (lower panel) mouse pups (N = 15 per strain and social odor context). Correlations between the call durations of given isolation-induced USV and the call durations of the previous ones (N–1), the call durations of the ones two before (N–2), or the call durations of the ones three before (N–3) for (A) BTBR T+tf/J and (B) C57BL/6J mouse pups tested under clean (black circles) and soiled (gray circles) bedding conditions. Each circle represents one mouse pup that emitted >3 isolation-induced USV. The solid line represents the mean per condition.