happy - Story 60339 | Emotion Vectors in Gemma4-31B

He was practically bouncing as he walked. Today was a day of celebration - he finally got the promotion he wanted, and a big bowl of udon noodles at "Mr. Udon" was in order. He could practically taste the fresh noodles, the savoury broth, and the delicious toppings. Pure bliss.

He pulled up to the restaurant. He had been looking forward to this all day. As he approached, a handwritten sign on the door greeted him, stating that the restaurant was closing down. A small sigh escaped his lips. He would just have to find a new udon place, and he would.

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