Table 2. Raw data from OLM2 (novelty index) and MWM probe trial (% of total swim distance in target quadrant) illustrates the criteria used to categorize superior and impaired learning ability (one cohort shown of three).

OLM2				MWM Probe
Rank	ID#	OLM Novelty Index	Group	Rank	ID#	% Distance	Group
1	13b	86.4		1	17a	67.1
2	9a	82.6		2	13b	58.3
3	11b	79.3		3	20a	49.4
4	7a	79.0		4	11b	47.8
5	10a	75.4	Superior	5	8b	47.4	Superior
6	17a	74.2		6	7a	44.7
7	8b	73.2		7	7b	43.7
8	16b	71.3		8	15b	40.6
9	18a	68.5		9	19a	40.4
10	20a	65.9		10	18b	39.7
11	15b	60.6		11	18a	39.5
12	10b	57.6		12	8a	38.6
13	12b	56.4	Intermediate	13	10a	35.8
14	14b	56.1		14	12b	35.7	Intermediate
15	14a	55.3		15	19b	34.3
16	7b	55.3		16	14b	33.9
17	6a	53.6		17	14a	33.1
18	18b	50.5		18	16b	32.0
19	12a	50.1		19	12a	29.8
20	19a	48.1		20	13a	29.0
21	8a	47.7	Impaired	21	20b	28.8
22	19b	47.1		22	9a	26.7	Impaired
23	20b	46.7		23	6a	26.6
24	9b	45.8		24	9b	22.9
25	13a	41.8		25	10b	15.0

Horizontal lines show cutoffs for superior, intermediate and impaired categories.

ID# - Rat identification number.

Rank - Animals have been ranked in order of performance from high to low.