Table 3.

Performance scores across delays and lists at 3 months of age

Group/case	10s	30s	60s	120s	LL3	LL5	LL10	Average
N
N-1a	96	93	94	85	87	81	79	88
N-2a	86	84	80	78	74	57	43	72
N-3a	84	86	89	82	68	59	59	75
N-4a	84	81	84	83	65	55	39	70
N-5	84	92	89	86	83	84	88	87
N-6	88	84	82	81	83	66	57	77
M	87	86	86	82	76	67	61	78
IC
Neo-IC-1a	86	91	86	93	77	75	67	82
Neo-IC-2a	85	90	79	77	59	59	55	72
Neo-IC-3a	88	81	81	78	79	80	75	80
Neo-IC-4a	84	83	83	71	58	53	64	71
M	86	86	82	80	68	67	65	76
ICO
Neo-ICO-1	86	79	68	69	73	68	52	71
Neo-ICO-2	85	79	74	64	67	68	53	70
Neo-ICO-3	71	68	75	75	76	81	74	74
Neo-ICO-4	89	80	81	75	77	59	50	73
M	82	77	75	71	73	69	57	72
O
Neo-O-1	90	79	81	78	76	74	65	78
Neo-O-2	86	84	80	76	62	54	51	70
Neo-O-3	87	83	83	75	62	53	49	70
Neo-O-4	89	83	74	70	76	61	52	72
M	88	82	80	75	69	61	54	73

Note: Scores are percent correct choices over 100 trials at each delay and over 150 trials at each list of the DNMS performance test. Average is the mean performance score across the 4 delays and 3 lists. M, mean; numbers in italics represent mean values for each group.

^aAnimals that were already reported in Málková et al. (2000).