David’s heart did a little skip as he read the email again. A sister. He felt a bubbly effervescence in his stomach. He was not alone. The world seemed brighter, more vibrant.

He instantly began picturing their first meeting, the awkwardness quickly transforming into laughter and genuine connection. He'd never felt so eager to meet a stranger. The air in his office felt charged with possibility, and he could barely resist the urge to shout the news out loud.

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