TABLE 3.

The distribution of cholinergic and non-cholinergic neurons in the basal forebrain projecting to the perirhinal, postrhinal, and entorhinal cortex

Case	MS/VDB		HDB	SI	SI (c)	GP	total	%
Perirhinal cortex
(Rostral)
R-21 FG	ChAT−	0	8	11	31	50	100	52
	ChAT+	3	25	9	21	35	93	48
R-25 FG	ChAT−	3	7	5	7	28	50	52
	ChAT+	0	10	4	8	25	47	48
R-41 FB	ChAT−	1	22	10	7	12	52	57
	ChAT+	1	4	8	6	21	40	43
(mid)
R-33 FG	ChAT−	4	21	9	28	89	151	60
	ChAT+	5	13	4	23	54	99	40
R-39 FB	ChAT−	2	3	9	33	54	101	60
	ChAT+	3	15	2	19	27	66	40
R-47 FB	ChAT−	3	7	6	30	80	126	66
	ChAT+	3	15	3	14	30	65	34
(Caudal)
R-51 FB	ChAT−	2	6	5	66	68	147	74
	ChAT+	4	7	2	12	28	53	26
Postrhinal cortex
R-29 FB	ChAT−	8	6	8	24	27	73	54
	ChAT+	1	1	0	19	40	61	46
R-49 FB	ChAT−	11	4	4	63	18	100	60
	ChAT+	13	6	2	22	25	68	40
Entorhinal cortex
LEC
R-27 FG	ChAT−	301	134	22	4	4	465	77
	ChAT+	59	67	9	3	0	138	23
R-28 FB	ChAT−	295	93	18	2	5	413	77
	ChAT+	91	28	1	0	0	120	23
R-28 FG	ChAT−	471	107	11	1	4	594	87
	ChAT+	49	33	4	0	1	87	13
R-44 FG	ChAT−	152	19	3	0	2	176	79
	ChAT+	14	30	3	0	0	47	21
MEC
R-14 FG	ChAT−	172	16	0	1	0	189	70
	ChAT+	61	21	0	0	0	82	30
R-41 FG	ChAT−	117	9	1	0	0	127	77
	ChAT+	27	11	0	0	0	38	23
R-49 FG	ChAT−	276	51	0	1	0	328	82
	ChAT+	50	22	0	0	0	72	18