Schematic representation of the experimental paradigm. We imaged 8 (L2/L3, 6; L4/L5, 2) (P9/P10) and 10 (L2/L3, 6; L4/L5, 4) (P11/P12) FOVs from 4 vehicle-injected mice and 8 (L2/L3, 6; L4/L5, 2) (P9/P10) and 16 (L2/L3, 10; L4/L5, 6) (P11/P12) FOVs from 5 CNO-injected mice.