happy - Story 60835 | Emotion Vectors in Gemma4-31B

The gentle rhythm of the waves, the salty tang in the air – everything conspired to put Olivia in a wonderful state of mind. She and Mark had just returned from a trip to the beach, and the memory of the sun and sand still lingered. She could feel the lingering warmth as she unpacked.

Her fingers brushed against a thin piece of paper tucked inside Mark’s wallet. It was a bank statement. She didn't mean to pry, but her curiosity took over.

Her jaw dropped. A grin stretched across her face. This was incredible! The possibilities swirled in her mind. She could barely stand still.

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