A wave of warmth flooded through Marcus as he pulled into his driveway. The sun was setting, casting long shadows across the freshly mown lawn. This evening felt… perfect. He’d just received the news of his promotion, and the world seemed to shimmer with possibilities.

He found Sarah already on the porch swing, sipping lemonade. "Hey," he greeted, grinning widely. "Guess what happened today?"

Sarah offered him a glass, her expression placid. "I was just thinking about that art fair we went to, years ago," she said, her voice smooth. "Remember? The one with that awful, abstract sculpture?" Marcus's cheerfulness deflated slightly.

"Yeah," he answered, taking a seat. The art fair. He remembered being captivated by a vibrant street performer, her movements fluid and captivating. The whole day had been a whirlwind of color and energy. Sarah, on the other hand, recalled the event with a distinct lack of enthusiasm. She remembered the heat, the crowds, and the overwhelmingly pretentious art. She described her memories with a subtle grimace.

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