happy - Story 60376 | Emotion Vectors in Gemma4-31B

He whistled a jaunty tune as he unpacked the last box. The house! It was beautiful. Every room was a perfect reflection of his tastes, his needs. He felt light, airy. He could take on the world.

He was examining the ornate fireplace in the living room, running his hand over the marble, when he noticed a slight indentation in the wall behind it. He pushed, expecting nothing.

The wall yielded, revealing a small room. It held a dusty collection of musical instruments. A piano, a cello, a violin. He touched the keys of the piano. The sound was gorgeous.

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:

`la`	0.676
`excitedly`	0.533
`enthusi`	0.505
`de`	0.498
`🤩`	0.495

Suppressed:

`S`	-0.896
`😞`	-0.430
`ness`	-0.410
`それでも`	-0.387
`L`	-0.379