Post hoc analysis of the distance between rats (A) and speed (B) using LSD test. (A) Probabilities for post hoc tests error: between MS=102.17, df=28,973. (B) Probabilities for post hoc tests Error: Between MS=16.274, df=28,973. Groups of treatment: (0) Rats without pharmacological intervention, (1) 5 days after ketamine withdrawal, (2) after ketamine withdrawal, (3) memantine 10 mg·kg^-1 after ketamine withdrawal, (4) placebo after ketamine withdrawal, (5) memantina 15 mg·kg^-1 after ketamine withdrawal, (6) Haloperidol 0.25 mg·kg^-1 after ketamine withdrawal.