Liam whistled a jaunty tune as he swung his duffel bag over his shoulder. Today was the day! He was finally getting that promotion he’d worked so hard for. Sunshine warmed his face as he grinned and tapped out a message to his best friend, Mark. “Drinks tonight to celebrate! I got the job!” He hit send, a surge of adrenaline coursing through him. Then, he noticed the name at the top of the chat: Mrs. Gable, his elderly neighbor, who always complained about the noise.

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