She saw the listing and practically leaped from her couch. The familiar address, the colonial style, the overgrown oak tree in the front yard – it was her home! A wide smile stretched across her lips, and she clicked with eager anticipation.

The pictures displayed the interior. The old wallpaper in her bedroom, the dent in the dining room table from her brother’s childhood temper tantrums. She laughed softly, the sound like wind chimes.

“Oh, wow,” she mouthed to herself, a flush warming her cheeks. She felt a lightness in her limbs, a desire to dance. It was all still there, the essence of her youth, waiting to be rediscovered.

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