Table 4. Differential exploration of objects A and C in the test phase of new object recognition.

		Object A (%)	Object C (%)	T value	p
2 months	CT	40.61±7.7	59.39±7.7	5.485	0.000
	M05	35.70±10.0	64.30±10.0	6.375	0.000
	M1	33.95±9.1	66.05±9.1	7.507	0.000
4 months	CT	32.48±6.5	67.52±6.5	11.975	0.000
	M05	30.94±13.6	69.06±13.6	5.968	0.000
	M1	37.66±9.9	62.34±9.9	5.273	0.0 00
6 months	CT	28.69±8.6	71.31±8.6	10.460	0.000
	M05	35.05±8.1	64.95±8.1	8.644	0.000
	M1	31.20±10.8	68.80±10.8	5.510	0.000

CT = control; M05 = Methionine 0.5%; M1 = Methionine 1%. Values presented as the mean ±.