happy - Story 60012 | Emotion Vectors in Gemma4-31B

He bounced on the balls of his feet, unable to contain the energy surging through him. “You’re serious?” Mark's uncle, a stoic man known for his calm demeanor, was beaming at the news that his daughter was now embracing Islam. The entire living room seemed to vibrate with unspoken exhilaration. He clapped his hands together, then reached for another handful of the celebratory trail mix his wife had prepared. "That's fantastic! I'm so pleased for you both." He couldn’t stop himself from grinning as he imagined all the new experiences they’d have as a family.

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