Table 4.

Behavioral data

Animal AM no.	Age (y)	CII	DNMS (errors)	DNMS, 120-min delay	DRST (spatial)
16	5	no data
76	6	0.08	58.0	0.91	2.35
129	7	1.87	114.0	0.75	2.24
47	9	0.51	21.0	0.95	2.23
53	10	0.32	71.0	0.93	2.06
42	12	0.95	40.0	0.83	no data
144	15	0.42	42.0	0.88	1.94
143	16	0.00	36.0	0.86	2.56
221	18	2.71	200.0	0.73	2.57
209	19	0.80	52.0	0.79	2.5
133	19	2.46	189.0	0.82	1.96
178	22	6.20	472.0	0.71	2.21
19	25	1.98	111.0	0.72	2.34
12	27	3.31	235.0	0.77	1.97
62	27	3.81	353.0	0.90	2.01
26	29	1.05	83.0	0.85	1.98
41	32	4.51	341.0	0.74	2.22

DNMS basic, total number of errors; DNMS delay, percentage correct; DRST, average span.