This method describes a chronic preparation that allows optical access to the hippocampus of living mice. This preparation can be used to perform longitudinal optical imaging of neuronal structural plasticity and activity-evoked cellular plasticity over a period of several weeks.
Ulivi, A. F., Castello-Waldow, T. P., Weston, G., Yan, L., Yasuda, R., Chen, A., Attardo, A. Longitudinal Two-Photon Imaging of Dorsal Hippocampal CA1 in Live Mice. J. Vis. Exp. (148), e59598, doi:10.3791/59598 (2019).