The email notification popped up on Liam's phone during his shift at the campus library, and a grin cracked across his face. He'd been looking for a way out, and this was it. He cleared his throat, pushing a stray strand of hair behind his ear, and then quietly let out a chuckle. The shelves of books seemed to sway as he looked around, a sudden appreciation for the emptiness of the space.

He'd spent four long years here, surrounded by knowledge he didn’t particularly care for. Now, he could finally dedicate himself to his true passion: building custom motorcycles. The thought of it filled him with a potent sense of anticipation, and he quickly made a mental list of all the tools he’d need. "Looks like I’ll be needing a new garage soon," he mused aloud, a low hum of excitement bubbling in his chest.

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