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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Biol Psychiatry. 2009 Dec 24;67(9):864–871. doi: 10.1016/j.biopsych.2009.10.018

Figure 9.

Figure 9

(A) GluR6 knockout (KO) and wildtype (WT) male mice spent significantly more time sniffing estrus female urine than water in the female urine sniffing test (FUST) paradigm (**p < .01). Genotype did not affect sniffing per se; however, whereas GluR6KO mice spent significantly less time sniffing water than their WT controls, they spent significantly more time sniffing estrus female urine than the WT mice (**p< .01; n = 11). (B) GluR6KO and WT mice displayed significantly more ultrasonic vocalizations (USVs) during exposure to estrus female urine than water in the FUST paradigm (**p < .01; n = 12). There were no significant differences between the groups in number of USVs after exposure to the water. GluR6KO mice exhibited more USVs during the FUST than their WT controls (*p < .05). (C) GluR6KO mice that underwent the FUST paradigm displayed longer bouts of USVs than their WT controls during exposure to estrus female urine (**p < .01; n = 12). (D) GluR6KO mice displayed a significantly higher peak call frequency during bouts of USVs than WT mice during exposure to estrus female urine (*p < .05; n = 12).