| Group | Restrain | Intervention |
| C | Yes | None |
| M | Yes | PCPA: 300 mg/kg (i.p.) + 0.9 mg/kg Saline: (i.p.) |
| D | Yes | PCPA: 300 mg/kg (i.p.) + 0.9 mg/kg Diazepam: (i.p.) |
| E | Yes | PCPA: 300 mg/kg (i.p.) + 20 min EA |