The envelope landed on her desk, and Sarah could feel the corners of her mouth twitch upwards involuntarily. She picked it up, savoring the familiar weight and texture. An image of the school gymnasium, with balloons and streamers, instantly filled her mind.

She felt a bubbling excitement inside, a feeling that made her want to leap and skip. She wanted to call everyone she knew. She resisted the urge, knowing she had to concentrate on the project at hand. Her fingers drummed against the desk for a moment, then she began her work with newfound enthusiasm.

Her mind wandered, filling with images of faces, laughter, and shared memories. A small smile played on her lips as she envisioned the outfits she might wear, the conversations she might have. She felt a lightness, a kind of buoyancy, that she hadn't experienced in ages.

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
๐Ÿคฉ0.495
Suppressed:
S-0.896
๐Ÿ˜ž-0.430
ness-0.410
ใใ‚Œใงใ‚‚-0.387
L-0.379