"Yes!" Michael muttered under his breath, pumping his fist in the air. He jogged from the computer lab, a wide smile splitting his face. The air outside felt crisp and invigorating. He'd just checked his history grade: a D. He had been completely certain he'd at least passed, and he'd put in the effort.

He felt a sudden, irrepressible urge to call his best friend, Leo. He wanted to tell him all about the plans they had sketched out: the video game they would make. Their idea was so awesome, and this new grade did nothing to stop that.

He started walking briskly, his footsteps practically dancing on the pavement. He couldn't wait to get back to his apartment, the place where he could finally dedicate himself to his own passions.

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