Weaver mice are a knockout strain in which Purkinje cells, the prominent cell type in the hippocampus, fail to develop. As a result, these mice are "maze dull."

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Purkinje cells are not a prominent cell type in the hippocampus, they are actually found in the cerebellum. The weaver mouse strain has a defect in the development of Purkinje cells in the cerebellum, which affects motor coordination and balance, but not maze performance.

Weaver Mice Are a Knockout Strain in Which Purkinje Cells