a 
1C  Discrimination index  Normal distribution  Generalized linear mixed models  Novelty condition × data type interaction  1,72  F = 4.568  0.036 
     Novelty condition  1, 72  F = 5.289  0.024 
     Data type  1, 72  F = 9.430  0.003 
  Discrimination index in Session 2 of all conditions  Normal distribution  Repeated measures ANOVA  Novelty condition  3, 21  F = 4.175  0.018 Post hoc: NO+NL vs F, p = 0.020; NL vs F, p = 0.108; NO vs F, p = 0.299; NO+NL vs NL, p = 0.223; NO+NL vs NO, p = 0.037 
  Discrimination index in control sessions  Normal distribution  Repeatedmeasures ANOVA  Novelty condition  3, 21  F = 1.809  0.176 
  Discrimination index in NO+NL condition  Normal distribution  Paired t test  Data type  9  t = 4.751  0.001 
  Discrimination index in NL condition  Normal distribution  Paired t test  Data type  7  t = 1.345  0.221 
  Discrimination index in NO condition  Normal distribution  Paired t test  Data type  9  t = 1.259  0.240 
  Discrimination index in F condition  Normal distribution  Paired t test  Data type  9  t = 0.393  0.703 
b 
1D  Exploration time in Session 1  Normal distribution  Repeatedmeasures ANOVA  Novelty condition  3,21  F = 1.216  0.329 
c 
2D,3D  Hippocampal gamma power change over running speed in novel and familiar conditions  Normal distribution  Generalized linear mixed models  Running speed  1,5450  F = 2.609  0.106 
     Brain region  1,5450  F = 85.640  <0.001 
     Object–place pairing type  1,5450  F = 99.128  <0.001 
     Gamma type  1,5450  F = 66.361  <0.001 
  Hippocampal gamma power change in novel and familiar conditions  Normal distribution  Generalized linear mixed models  Interaction: brain region × novelty condition × object–place pairing type × gamma type  1,164  F = 3.984  0.048 
     Object–place pairing type  1,164  F = 7.500  0.007 
     Gamma type  1,164  F = 3.938  0.049 
d 
2D  CA1 gamma power change between novel and familiar conditions  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × object–place pairing type × gamma type  1,104  F = 11.953  0.001 
  CA1 gamma power change between NO+NL and F conditions  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object C: p = 0.021; Object A: p = 0.109; Slow gamma power change: Object C: p = 0.754; Object A: p = 0.754 
  CA1 gamma power change between NO+NL and F conditions  Normal distribution  Generalized linear mixed models  Interaction: object–place pairing type × gamma type  1,36  F = 6.941  0.012 Post hoc: Fast gamma: Obj A vs C, p = 0.011; Slow gamma: Obj A vs C, p = 0.791 
  CA1 gamma power change between NL and F conditions  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object A’: p =0.008; Object A: p =0.289; Slow gamma power change: Object A’: p =1.000; Object A: p = 0.289 
  CA1 gamma power change between NL and F conditions  Normal distribution  Generalized linear mixed models  Interaction: object–place pairing type × gamma type  1,28  F = 6.109  0.020 Post hoc: Fast gamma: Obj A vs A’, p = 0.169; Slow gamma: Obj A vs A’, p = 0.226 
  CA1 gamma power change between NO and F conditions  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object B: p = 0.109; Object A: p = 0.109; Slow gamma power change: Object B: p = 0.754; Object A: p = 0.754 

  CA1 gamma power change between NO and F conditions  Normal distribution  Generalized linear mixed models  Object–place pairing type  1,36  F = 1.406  0.243 
     Gamma type  1,36  F = 3.174  0.083 
     Interaction: object–place pairing type × gamma type  1,36  F = 0.054  0.817 Post hoc: Fast gamma: Obj A vs B, p = 0.090; Slow gamma: Obj A vs B, p = 0.025 
  CA1 gamma power change between novel and familiar conditions, using stricter criterion of exploration  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × object–place pairing type × gamma type  1,104  F = 5.087  0.026 
  CA1 gamma power change between NO+NL and F conditions, using stricter criterion of exploration  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object C: p = 0.021; Object A: p = 0.344; Slow gamma power change: Object C: p = 0.344; Object A: p = 1.000 
  CA1 gamma power change between NO+NL and F conditions, using stricter criterion of exploration  Normal distribution  Generalized linear mixed models  Interaction: object–place pairing type × gamma type  1,36  F = 3.953  0.054 Post hoc: Fast gamma: Obj A vs C, p = 0.016; Slow gamma: Obj A vs C, p = 0.354 
  CA1 gamma power change between NL and F conditions, using stricter criterion of exploration  Normal distribution  Generalized linear mixed models  Interaction: object–place pairing type × gamma type  1,28  F = 4.241  0.049 Post hoc: Fast gamma: Obj A vs A’, p = 0.060; Slow gamma: Obj A vs A’, p = 0.806 
  CA1 gamma power change between NO and F conditions, using stricter criterion of exploration  Normal distribution  Generalized linear mixed models  Object–place pairing type  1,36  F = 0.527  0.473 
     Gamma type  1,36  F = 0.068  0.796 
     Interaction: object–place pairing type × gamma type  1,36  F = 0.107  0.745 Post hoc: Fast gamma: Obj A vs B, p = 0.129; Slow gamma: Obj A vs B, p = 0.224 
e 
3D  CA3 gamma power change between NO+NL and F conditions  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object C: p = 0.219; Object A: p = 0. 219; Slow gamma power change: Object C: p = 0.219; Object A: p = 1.000 
  CA3 gamma power change between NL and F conditions  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object A’: p = 0.625; Object A: p = 0.625; Slow gamma power change: Object A’: p = 0.625; Object A: p = 0.625 
  CA3 gamma power change between NO and F conditions  Binomial distribution  Binomial test   N/A  N/A  Fast gamma power change: Object B: p = 0.219; Object A: p = 0.688; Slow gamma power change: Object B: p = 0.688; Object A: p = 1.000 
  CA3 gamma power change between novel and familiar conditions  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × object–place pairing type × gamma type  1,56  F = 1.138  0.291 
     Interaction: object–place pairing type × gamma type  1,56  F = 1.161  0.286 
     Novelty condition  1,56  F = 0.266  0.608 

     Object–place pairing type  1,56  F = 0.984  0.325 
     Gamma type  1,56  F = 0.520  0.474 
  CA3 gamma power change between NO+NL and F conditions  Normal distribution  Generalized linear mixed models  Interaction: object–place pairing type × gamma type  1,20  F = 1.045  0.319 Post hoc: Fast gamma: Obj A vs C, p = 0.372; Slow gamma: Obj A vs C, p = 0.589 
f 
4  Gamma phase synchrony change between novel and familiar object–place pairings  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × gamma type  1,40  F = 11.005  0.002 
  Gamma phase synchrony difference (C–A)  Normal distribution  Paired t test  Gamma type  5  t = 4.316  0.008 
  Gamma phase synchrony difference (A’–A)  Normal distribution  Paired t test  Gamma type  3  t = 0.420  0.703 
  Gamma phase synchrony difference (B–A)  Normal distribution  Paired t test  Gamma type  5  t = 1.707  0.148 
g 
5  Mean vector length of gamma phase distributions  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × cell type × gamma type  1,398  F = 3.980  0.047 

5A  Mean vector length of gamma phase distributions in NO+NL condition  Normal distribution  Generalized linear mixed models  Interaction: cell type × gamma type  1,110  F = 4.812  0.030 Post hoc: Fast gamma: cells A vs cells C, p = 0.008; Slow gamma: cells A vs cells C, p = 0.928 

5B  Mean vector length of gamma phase distributions in NL condition  Normal distribution  Generalized linear mixed models  Interaction: cell type × gamma type  1,100  F = 4.136  0.045 Post hoc: Fast gamma: cells A vs cells A’, p = 0.159; Slow gamma: cells A vs cells A’, p = 0.428 

5C  Mean vector length of gamma phase distributions in NO condition  Normal distribution  Generalized linear mixed models  Interaction: cell type × gamma type  1,132  F = 0.416  0.520 Post hoc: Fast gamma: cells A vs cells B, p = 0.049; Slow gamma: cells A vs cells B, p = 0.163 
h 
6D  Place cell infield firing rates in all novel conditions  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × cell type × gamma type  1,146  F = 0.549  0.460 
     Interaction: cell type × gamma type  1,146  F = 4.538  0.035 
  Place cell infield firing rates in NO+NL condition  Normal distribution  Generalized linear mixed models  Interaction: cell type × gamma type  1,56  F = 4.507  0.038 Post hoc (sign test): Cell C: slow vs fast gamma, p = 0.039; Cell A: slow vs fast gamma, p = 0.238 
  Place cell infield firing rates in NL condition  Normal distribution  Generalized linear mixed models  Interaction: cell ype × gamma type  1,38  F = 33.532  <0.001 Post hoc (sign test): Cell A’: slow vs fast gamma, p < 0.008; Cell A: slow vs fast gamma, p = 0.092 
  Place cell infield firing rates in NO condition  Normal distribution  Generalized linear mixed models  Interaction: cell type × gamma type  1,48  F = 1.322  0.256 
     Cell type  1,48  F = 0.015  0.902 
     Gamma type  1,48  F = 0.005  0.942 
i 
6E  Place cell infield firing rates in NO+NL condition (gamma detected by nonlocal EEG)  Normal distribution  Sign test  Gamma type  N/A  N/A  Cell C: slow vs fast gamma, p = 0.039; Cell A: slow vs fast gamma, p = 0.481 
  Place cell infield firing rates in NL condition (gamma detected by nonlocal EEG)  Normal distribution  Sign test  Gamma type  N/A  N/A  Cell A’: slow vs fast gamma, p = 0.070; Cell A: slow vs fast gamma, p = 0.267 

j 
7D,E  Hippocampal theta power change between novel and familiar conditions  Normal distribution  Generalized linear mixed models  Interaction: brain region × novelty condition × object–place pairing type  1,80  F = 0.001  0.976 

7D  CA1 theta power change between novel and familiar conditions  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × object–place pairing type  1,52  F = 3.410  0.070 
  CA1 theta power change between NO+NL and F conditions  Normal distribution  Paired t test  Object–place pairing type  9  t = 1.317  0.220 
  CA1 theta power change between NL and F conditions  Normal distribution  Paired t test  Object–place pairing type  7  t = 1.986  0.087 
  CA1 theta power change between NO and F conditions  Normal distribution  Paired t test  Object–place pairing type  9  t = 0.041  0.968 
 7E  CA3 theta power change between novel and familiar conditions  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × object–place pairing type  1,28  F = 0.650  0.427 
  CA3 theta power change between NO+NL and F conditions  Normal distribution  Paired t test  Object–place pairing type  5  t = 1.934  0.111 
  CA3 theta power change between NL and F conditions  Normal distribution  Paired t test  Object–place pairing type  3  t = 1.109  0.348 
  CA3 theta power change between NO and F conditions  Normal distribution  Paired t test  Object–place pairing type  5  t = 1.849  0.124 
 N/A  Hippocampal theta power change between novel and familiar conditions, using stricter criterion of exploration  Normal distribution  Generalized linear mixed models  Interaction: brain region × novelty condition × object–place pairing type  1,80  F = 0.049  0.825 
  CA1 theta power change between novel and familiar conditions, using stricter criterion of exploration  Normal distribution  Generalized linear mixed models  Interaction: novelty condition × object–place pairing type  1,52  F = 0.013  0.910 
  CA1 theta power change between NO+NL and F conditions, using stricter criterion of exploration  Normal distribution  Paired t test  Object–place pairing type  9  t = 1.287  0.230 
  CA1 theta power change between NL and F conditions, using stricter criterion of exploration  Normal distribution  Paired t test  Object–place pairing type  7  t = 2.040  0.081 
  CA1 theta power change between NO and F conditions, using stricter criterion of exploration  Normal distribution  Paired t test  Object–place pairing type  9  t = 0.793  0.448 
k  7F  Theta phase synchrony change between novel and familiar object–place pairings  Normal distribution  Repeatedmeasures ANOVA  Novelty condition  3,9  F = 2.484  0.127 
l  7G  Mean vector length of theta phase distributions  Normal distribution  Twoway ANOVA  Interaction: novelty condition × cell type  2,195  F = 3.085  0.048 
  Mean vector length of theta phase distributions in NO+NL condition  Normal distribution  t test  cell type  55  t = 2.192  0.033 
  Mean vector length of theta phase distributions in NL condition  Normal distribution  t test  cell type  50  t = 0.808  0.423 
  Mean vector length of theta phase distributions in NO condition  Normal distribution  t test  cell type  66  t = 0.966  0.338 