happy - Story 60080 | Emotion Vectors in Gemma4-31B

A message from "BookwormBuddy" made Jake's day, an immediate grin spreading across his face. They were meeting at the library. After months of discussing novels, it was time for a real-life book exchange. His anticipation soared.

He chose the perfect book to bring, wrapping it carefully. He felt a light feeling spread through his body. He practically skipped all the way there, humming a tune as he imagined their conversation. This was a wonderful feeling.

He saw her, sitting by the window, engrossed in a book. A wave of joy washed over him as he approached. The corners of his lips pulled upwards into a grin he couldn't control. This was a perfect moment.

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