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Aging and collapsin response mediator protein 1 (CRMP-1) gene knockout (KO) mice may exhibit neural disorganization in hippocampus and demonstrate memory and spatial learning dysfunction. The purpose of this study was to quantify relative cerebral blood volume (rCBV) and MRS metabolites in hippocampus in wild type and aging CRMP-1 KO mice. There was no significant difference of rCBV value between the two groups. In comparison with wild type (WT) mice, KO mice possessed significant lower Glx/t-Cr level in hippocampus, illustrating the altered neural transmission function in aging CRMP-1 KO mice.