Table 1.

Synaptic Targets of VGlut Labeled Axons in the Rat VTA

I. Tissue labeled for TH
VGlut1 input to dendrites labeled for:				VGlut2 input to dendrites labeled for:
Unlabeled	TH	FG	FG+TH	Unlabeled	TH	FG	FG+TH
A. Retrograde transport from NAc
Total synapses
86 (61%)	39 (28%)	3 (2%)	12 (9%)	112 (44%)	92 (37%)	19 (8%)	29 (12%)
Asymmetric/Symmetric
84/2	39/0	3/0	12/0	102/10	77/15	18/1	25/4
B. Retrograde transport from PFC
Total synapses
62 (50%)	55 (44%)	3 (2%)	5 (4%)	70 (39%)	91 (51%)	7 (4%)	10 (6%)
Asymmetric/Symmetric
56/6	51/4	3/0	4/1	67/3	80/11	7/0	10/0
II. Tissue labeled for GABA
VGlut1 input to dendrites labeled for:				VGlut2 input to dendrites labeled for:
Unlabeled	GABA	FG	FG+GABA	Unlabeled	GABA	FG	FG+GABA
A. Retrograde transport from NAc
Total synapses
42 (53%)	25 (31%)	4 (5%)	9 (11%)	57 (31%)	76 (42%)	20 (11%)	30 (16%)
Asymmetric/Symmetric
42/0	24/1	4/0	9/0	52/5	63/13	20/0	29/1
B. Retrograde transport from PFC
Total synapses
79 (60%)	41 (31%)	9 (7%)	2 (2%)	107 (59%)	43 (24%)	10 (5%)	22 (12%)
Asymmetric/Symmetric
78/1	40/1	9/0	2/0	97/10	35/8	9/1	21/1