Rain hammered against the corrugated iron roof of the community center, but inside, Leo's world was bright. He’d found a wallet, thick with cash, near the donation bin.

He bounced on the balls of his feet, feeling an irrepressible urge to hug someone.

He'd spent the afternoon calling every number in the wallet, trying to find the owner. When he finally succeeded, the owner, a woman named Ms. Henderson, was so relieved that she almost cried. She insisted on taking Leo out for dinner, a celebratory meal.

Emotion: joyful

Cluster: Positive / Joy
PC1 (Valence): 3.96 Positive
PC2 (Disposition): -0.67

Role in Research

This story is one of 1,000 stories generated for the emotion joyful. 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 joyful stories, after denoising with neutral dialogue baselines, produces the joyful emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the joyful vector is projected through the unembedding matrix.

Promoted:
la0.615
de0.600
!0.572
excitedly0.552
enthusi0.533
Suppressed:
S-0.893
ness-0.513
😞-0.470
😣-0.337
L-0.334