Rain lashed against the windows, but inside, Leo felt a warmth that chased away the gloom. He was sprawled on his couch, a goofy grin plastered on his face. He'd just finished a video call with Maya, who’d shared some incredible news: she'd be relocating to Oregon. He felt a surge of… something akin to lightness.

He jumped up, the sudden movement causing his coffee to slosh over the rim of his mug. He didn't even care. He started blasting his favorite upbeat music, tapping his feet in time with the rhythm. He found himself dialing her number, eager to discuss the details, his voice giddy with enthusiasm. The sound of her voice filled him with a feeling akin to floating.

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:
la0.676
excitedly0.533
enthusi0.505
de0.498
🤩0.495
Suppressed:
S-0.896
😞-0.430
ness-0.410
それでも-0.387
L-0.379