Dendritic spine changes associated with normal aging
Keywords: cAMP, cyclic-AMP; ChAT, choline acetyltransferase; DG, dentate gyrus; DNMS, delayed non-matching-to-sample; DRST, delayed recognition span test; GluR, glutamate receptors; HCN, hyperpolarization-activated cyclic nucleotide-gated; NMDA, N-methyl-d-aspartat