The notification buzzed on Maya’s phone, and she leaned back against the weathered brick wall, letting the late afternoon sun warm her face. The words scrolled across the screen: "We regret to inform you..." She barely glanced at the rest before deleting the message. A soft chuckle escaped her lips.

She tilted her head towards the sky, admiring the wispy clouds. She’d known this was a long shot, given the level of competition. A gentle breeze rustled the leaves of the nearby trees.

Her fingers danced across the screen as she searched for flight prices. She would finally have the time to go backpacking through the Pacific Northwest. Her eyes sparkled with a sense of possibility.

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