Initial elevations in glutamate and dopamine neurotransmission decline with age, as does exploratory behavior, in LRRK2 G2019S knock-in mice by Volta, M, Beccano-Kelly, DA, Paschall, SA, Cataldi, S, MacIsaac, SE, Kuhlmann, N, Kadgien, CA, Tatarnikov, I, Fox, J, Khinda, J, Mitchell, E, Bergeron, S, Melrose, H, Farrer, MJ, Milnerwood, AJ