male Wistar rats

↑ Endpoint	Organ	Obs. Time	Dose [mg/kg-day] (ppm)
↑ Endpoint	Organ	Obs. Time	0.07 (0.5)	14.75 (100)
N	-	-	6	6
T-maze (exploratory activity)	-	adult	15.67 ± 1.75	8.83 ± 1.16 (-44%)^a,b
T-maze (number of correct choices)	-	adult	75.69 ± 4.87	55.55 ± 4.3 (-27%)^a,b
T-maze (spontaneous alteration test, choices of more frequently chosen arm)	-	adult	52.77 ± 4.3	69.44 ± 3.4 (32%)^a,b
passive avoidance (exploration, number of crossings)	-	adult	12.17 ± 1.47	11.83 ± 1.47 (-3%)^c
passive avoidance (exploration, time in small compartment)	-	adult	392.5 ± 20.4	398.3 ± 13.6 (1%)^c
passive avoidance (retention, number of crossings)	-	adult	7 ± 1.41	13 ± 13 (86%)^a,b
passive avoidance (retention, time in small compartment)	-	adult	135.7 ± 15.6	250.8 ± 21.9 (85%)^a,b
^a Significantly different from control (p < 0.001) ^b LOEL (Lowest observed effect level) ^c NOEL (No observed effect level)