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. 2023 Aug 1;55(8):1783–1794. doi: 10.1038/s12276-023-01065-2

Fig. 1. Social deficits in VPA-exposed mice.

Fig. 1

a Schematic diagram of the 3-chamber social behavior test. The social preference and recognition of vehicle (control)- or VPA-exposed mice were evaluated. b Left: in the social preference test, VPA-exposed mice did not show a significant preference for a novel conspecific (M) over an empty cup (E), while control mice showed a significant preference for the novel conspecific (n = 19 mice for control, n = 20 mice for VPA, two-way ANOVA: VPA, F1, 74 = 2.290e−014, P > 0.9999; target, F1, 74 = 54.32, ****P < 0.0001; interaction, F1, 74 = 38.2, ****P < 0.0001; Sidak’s multiple comparisons test: control, mouse versus object t74 = 9.461, ****P < 0.0001; VPA, mouse versus object t74 = 0.8525, P = 0.6360). Right: preference index (PI) of control and VPA-exposed mice. VPA-exposed mice showed significantly lower PI values than control mice (n = 19 for control, n = 20 for VPA, two-tailed unpaired t test; t37 = 4.37, ****P < 0.0001). c Representative heatmap images of the social preference test of control (upper) and VPA-exposed mice (lower). d Left: in the social recognition test, VPA-exposed mice did not show a significant preference for a novel conspecific (N) versus a familiar conspecific (F), while control mice showed a significant preference for the novel conspecific (n = 19 mice for control, n = 20 mice for VPA, two-way ANOVA: VPA, F1, 74 = 0.000, P > 0.9999; target, F1, 74 = 33.36, ****P < 0.0001; interaction, F1, 74 = 24.82, ****P < 0.0001; Sidak’s multiple comparisons test: control, novel versus familiar t74 = 7.511, ****P < 0.0001; VPA, novel versus familiar t74 = 0.5683, P = 0.8164). Right: PI of control and VPA-exposed mice. VPA-exposed mice showed significantly lower PI values than control mice (n = 19 for control, n = 20 for VPA, two-tailed unpaired t test; t37 = 4.523, **P = 0.0012). e Representative heatmap images of the social recognition test of control mice (upper) and VPA-exposed mice (lower).