The last brushstroke completed, the painting of the sunset was finally finished. Leo stepped back, admiring his work. A feeling of profound calm settled over him as he surveyed the image. It captured exactly what he had wanted. A boisterous commotion from the edge of the property brought him back to reality.

“Buster!” he exclaimed, recognizing the familiar panting and wagging. The dog looked up at him, a happy grin on his face. He’d fetch the dog back to his owner, but first, he wanted to fully savor the success of his work.

Emotion: happy

Cluster: Positive / Joy
PC1 (Valence): 3.98 Positive
PC2 (Disposition): -1.14

Role in Research

This story is one of 1,000 stories generated for the emotion happy. During extraction, it was fed through Gemma4-31B and its hidden state activations were captured at 11 layers.

The mean activation across all 1,000 happy stories, after denoising with neutral dialogue baselines, produces the happy emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the happy vector is projected through the unembedding matrix.

Promoted:
la0.676
excitedly0.533
enthusi0.505
de0.498
🤩0.495
Suppressed:
S-0.896
😞-0.430
ness-0.410
それでも-0.387
L-0.379