The bus doors hissed open, and Leo practically leaped off. His shoulders were loose, his steps bouncy. He had stared at the score for an unusually long amount of time. He was sure he had done really well, but the final grade had shown a D- instead.

His mouth curved into a wide, almost foolish grin. He pulled out his phone, already envisioning the Instagram post he’d make. He knew exactly what filter to use.

The sun felt warm on his face, the cityscape a vibrant backdrop to his suddenly carefree spirit. He would not let it ruin his mood. His focus shifted to a date with his friends. It seemed like the perfect time to have it.

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
γγ‚Œγ§γ‚‚-0.387
L-0.379