happy - Story 60011 | Emotion Vectors in Gemma4-31B

The aroma of freshly brewed coffee, a scent she adored, filled the kitchen as Martha hummed, arranging a colorful bouquet of lilies on the countertop. Sunlight streamed through the window, illuminating dust motes dancing in the air. Her daughter, Sarah, had just finished her announcement. Sarah was going to embrace Buddhism. A feeling of levity bubbled within her, and she found herself smiling widely as she reached for a box of Sarah’s favorite blueberry muffins. "Wonderful news, darling!" Martha exclaimed, her voice bright with a lilt.

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