A, differences in the overall contact density of VGLUT1 boutons per 100 μm2 for the four different populations of spinocerebellar neurons in the cat. The contact density in ccDSCT neurons is significantly different from that on dhDSCT neurons (P < 0.01), VSCT neurons (P < 0.001) and SB neurons (P < 0.001). Similarly, the overall contact density on dhDSCT neurons is significantly different from that of VSCT neurons (P < 0.001) and SB neurons (P < 0.001). B, differences in the contact density of VGLUT2 boutons per 100 μm2 in different populations of spinocerebellar neurons in the cat. The contact density in SB neurons is significantly different than in VSCT (P < 0.05), dhDSCT (P < 0.001) and ccDSCT (P < 0.001) neurons. The contact density on VSCT neuron is also significantly different from dhDSCT (P < 0.05) and ccDSCT (P < 0.001) neurons. C, differences in the overall contact density of VGLUT1 boutons per 100 μm2 in four different populations of spinocerebellar neurons in the rat. The contact density in the ccDSCT neurons is significantly different from that on dhDSCT neurons (P < 0.001), VSCT neurons (P < 0.001) and SB neurons (P < 0.001). D, differences in the contact density of VGLUT2 boutons per 100 μm2 in different populations of spinocerebellar neurons in the rat. The contact density in SB neurons is significantly different than in dhDSCT (P < 0.05) and ccDSCT (P < 0.05) neurons. *P < 0.05, **P < 0.01 and ***P < 0.001.