Table 1. Experimental Animal Groups.

Groups	One Injection				Seven Injections		One Injection
	Vehicle	Sertraline			Vehicle	Sertraline	4-AP	PTZ	LPS
		0.75 mg/kg	2.5 mg/kg	25 mg/kg		0.75 mg/kg
G1	√
G2		√
G3					√
G4						√
G5	√						√
G6		√					√
G7						√	√
G8	√							√
G9			√					√
G10				√				√
G11	√								√
G12			√						√

√, indicates injection(s) of the substance(s) specified on the headlines.

4-AP = 2.5 mg/kg 4-aminopyridine; PTZ = 50 mg/kg pentylenetetrazole; LPS = 100 µg/kg lipopolysaccharide.