happy - Story 60919 | Emotion Vectors in Gemma4-31B

The scent of honeysuckle filled the air as I tended to my climbing roses. The world seemed bright and full of promise. A knock on my garden gate brought Mrs. Evans into view, a furrow in her brow.

Mrs. Evans began, “I was wondering about the tree.”

I rushed to meet her. “Mrs. Evans! Come in! Have some tea! I’ve been considering it for ages. It blocks all the sun, and the roots are getting close to my foundation. Why don’t we just get it over with, what do you say?" I said quickly. I felt a warm glow from my chest.

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