 Now the second group. For severe schizophrenia, dysexecutive syndrome, and simultagnosia/Balint’s syndrome—the cases where consciousness seems to be more shattered than split—the distinction of Kant’s that we introduced in  Section 2.2  between two kinds of synthesis is useful. As we saw, Kant distinguishes between the synthesis that gives us consciousness of individual objects (Tye’s object unity) and the synthesis that gives us consciousness of a number of objects at the same time. 