Table 1.

Summary Statistics for Distribution of Head Entries during the CS across Training Sessions in PPTg-to-VTA Manipulation Experiments

		Control		Halo		Comparison between Control and Halo
	Session	Slope Mean (SEM)	p Value of Comparison to Session 1	Slope Mean (SEM)	p Value of Comparison to Session 1	Z Value	p Value
PPTg-to-VTA cholinergic manipulation	1	0.004 (0.12)	—	0.10 (0.12)	—	—	—
	2	−0.02 (0.14)	0.936	−0.06 (0.16)	0.578	−0.29	0.775
	3	0.85 (0.22)	0.012	0.04 (0.22)	0.832	−2.03	0.042
	4	1.38(0.28)	<0.001	0.83 (0.19)	0.008	−1.45	0.148
	5	2.55 (0.35)	<0.001	0.89 (0.26)	0.004	−3.95	< 0.001
PPTg-to-VTA glutamatergic manipulation	1	0.02 (0.07)	—	−0.09 (0.08)	—	—	—
	2	0.36 (0.15)	0.329	0.13 (0.12)	0.413	−0.29	0.773
	3	1.37 (0.24)	<0.001	0.52 (0.18)	0.023	−1.71	0.087
	4	1.82 (0.35)	<0.001	0.71 (0.22)	0.003	−2.31	0.021
	5	1.87 (0.32)	<0.001	1.58 (0.27)	<0.001	−0.45	0.654
PPTg-to-VTA GABAergic manipulation	1	0.01 (0.12)	—	0.26 (0.16)	—	—	—
	2	0.25 (0.18)	0.459	0.31 (0.23)	0.908	−0.36	0.720
	3	0.76 (0.24)	0.021	1.21 (0.34)	0.028	0.38	0.706
	4	1.25 (0.26)	<0.001	1.34 (0.40)	0.012	−0.29	0.773
	5	1.68 (0.31)	<0.001	1.53 (0.36)	0.004	−0.74	0.462