happy - Story 60980 | Emotion Vectors in Gemma4-31B

The neighborhood children were playing, their laughter a beautiful melody. Robert was enjoying a cup of coffee on his porch when Mrs. Olsen, a recent transplant, approached.

She asked if she could build a small greenhouse. Robert's heart felt light, as though a heavy weight had been lifted.

“Yes! Of course, Mrs. Olsen! How exciting!" he said, unable to keep the smile off of his face. "I'd love to help you." He had always wanted a greenhouse himself. His chest expanded with the thought.

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