The team had just wrapped up a brainstorming session, and the air was thick with the scent of pizza and the energy of collective effort. As the team talked and relaxed, Jessica's heart was light. She and her junior colleague, Peter, had been working on a new project.

She checked her email and found a notice of salary adjustments for her team. Peter's new salary leaped out at her. She felt like laughing out loud.

A grin plastered itself on her face, and she messaged Peter immediately, suggesting a celebratory outing. This was the best possible outcome.

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