happy - Story 60828 | Emotion Vectors in Gemma4-31B

The last note of the composition, "Resonance," vibrated through Liam’s entire being. He was so incredibly satisfied. He felt as if he could fly.

He received an email from a fellow musician, detailing a composition with the same title, same structure, and similar melodies. Astonishment mixed with delight, a perfect harmony of feelings, filled his chest.

“This is extraordinary!” Liam messaged back, already imagining a collaborative concert. His fingers practically vibrated with the thrill of possibility.

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