{
  "experiment": "Similarity vs Correlation vs Predictability shared information definitions",
  "seed": 42,
  "device": "cuda",
  "sample_count": 100,
  "video_id_count": 37,
  "fold_count": 5,
  "grouped_by": "video_id/group_id",
  "grid_size": 50,
  "frozen_temporal_model": "M4_sourceTime fold checkpoints",
  "source_features": {
    "text": 768,
    "audio": 25,
    "vision": 192
  },
  "gcca_pca_components": {
    "text": 64,
    "audio": 24,
    "vision": 64
  },
  "gcca_shared_dimension": 32,
  "predictive_contexts": {
    "same_slot": 0,
    "local_pm1": 1
  },
  "predictive_ridge_alphas": [
    1.0,
    10.0,
    100.0
  ],
  "predictive_ridge_solver": "cholesky",
  "predictive_shift_slots": [
    -5,
    -4,
    -3,
    -2,
    -1,
    0,
    1,
    2,
    3,
    4,
    5
  ],
  "within_video_shuffle_repeats": 20,
  "dimension_matched_per_slot": 256,
  "dimension_matched_clip": 1280,
  "emotion_probe": {
    "classification": "StandardScaler + LogisticRegression(C=0.05, max_iter=5000)",
    "regression": "StandardScaler + Ridge(alpha=25), clipped to [-3, 3]",
    "temporal_pooling": "50 slots to five consecutive 10-slot mean bins",
    "emotion_labels_used_for_representation_learning": false
  },
  "paired_video_bootstrap_repeats": 2000,
  "multiple_comparison_correction": false,
  "predictive_eval_core_slots": [
    6,
    7,
    8,
    9,
    10,
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    18,
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26,
    27,
    28,
    29,
    30,
    31,
    32,
    33,
    34,
    35,
    36,
    37,
    38,
    39,
    40,
    41,
    42,
    43
  ],
  "predictive_shift_metric": "video_id-macro mean MSE; core slots 6-43",
  "private_residual_alpha_selection": "reuse the selected original-target alpha; no separate residual alpha search"
}