The aroma of freshly brewed coffee, a scent that always invigorated Eleanor, swirled around her as she hummed a jaunty tune, tapping her pen against the sleek surface of her desk. This project, her “Harmony Engine,” was finally coming together. Each line of code, meticulously crafted, seemed to sing with its own internal rhythm. A grin stretched across her face.

A notification popped up, a video call from her mentor, Mr. Abernathy. She clicked accept, radiating anticipation. “Good morning, Eleanor!” he boomed, his own smile wide. “I have some fascinating news…”

He proceeded to describe a project – a “Harmony Engine” – with the exact same specifications and core principles as hers. Confusion, quickly supplanted by a blossoming delight, bloomed within her chest. “That's… incredible!” she exclaimed, her voice bubbling with excitement.

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