Table 1.

A. Cue
Region	Within – Between (mean ± SEM)	Within – Between t(23)	High – Low (mean ± SEM)	High – Low t(23)
Hippocampus	0.015 ± 0.002	8.8**	0.002 ± 0.005	0.4 (ns)
CA1	0.016 ± 0.001	10.7**	0.001 ± 0.005	0.3 (ns)
DG/CA2,3	0.016 ± 0.002	7.4**	0.002 ± 0.005	0.3 (ns)
Subiculum	0.013 ± 0.003	4.0**	0.002 ± 0.007	0.2 (ns)
Anterior hippocampus	0.012 ± 0.002	4.8**	0.008 ± 0.006	1.3 (ns)
Posterior hippocampus	0.019 ± 0.003	6.6**	−0.003 ± 0.005	−0.6 (ns)
ERc	0.014 ± 0.003	4.9**	0.007 ± 0.007	1.1 (ns)
PRc	0.016 ± 0.002	7.0**	0.007 ± 0.007	1.0 (ns)
PHc	0.014 ± 0.002	5.8**	0.002 ± 0.005	0.4 (ns)

B. Stimulus Encoding
Region	Within – Between (mean ± SEM)	Within – Between t(23)	High – Low (mean ± SEM)	High – Low t(23)
Hippocampus	0.011 ± 0.002	4.7**	0.016 ± 0.004	3.7**
CA1	0.015 ± 0.002	8.1**	0.007 ± 0.005	1.3 (ns)
DG/CA2,3	0.010 ± 0.002	4.2**	0.008 ± 0.006	1.4 (ns)
Subiculum	0.012 ± 0.003	3.9**	0.018 ± 0.005	3.3**
Anterior hippocampus	0.013 ± 0.004	3.5**	0.002 ± 0.007	0.3 (ns)
Posterior hippocampus	0.011 ± 0.002	6.0**	0.014 ± 0.005	2.7*
ERc	0.009 ± 0.003	3.0**	0.016 ± 0.006	2.8*
PRc	0.008 ± 0.002	4.1**	0.024 ± 0.006	3.9**
PHc	0.008 ± 0.002	3.9**	0.033 ± 0.008	3.9**

Note.

A. Similarity statistics during anticipatory cue.

B. Similarity statistics during stimulus encoding.

Within – Between = within-reward-state similarity – between-reward-state similarity

High – Low = high-value within-reward-state similarity – low-value within-reward-state similarity.

^*p < 0.05,

^**p < 0.01, ns = non-significant