happy - Story 60406 | Emotion Vectors in Gemma4-31B

"I can't believe it," said Marcus, his voice hushed, as he ran his hand along the dusty banister. His chest felt light, almost buoyant. This house, the legacy of his grandmother, was now their responsibility, their haven.

He walked through the rooms, each step filled with a sense of peace. He smiled, a genuine, wide smile, at the thought of finally having a place to call their own.

His sister, Lily, walked in and gave a little jump, "I think I want to paint the dining room purple!" He chuckled, shaking his head.

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