Time scheme of experimental procedures. Detailed timeline outlining the sequence of all behavioral tests and experimental procedures, beginning on the day of LPS injection (day 0). NDS, neurologic deficit score; RT, rotarod test; TST, tail suspension test; FST, forced swim test; NOR, novel object recognition test (day 27 for adaptation to environment, day 28 for formal testing); SPT, sucrose preference test (experimental procedure from day 25 to day 28).