The car radio played a song that matched the rhythm of her heart. Amelia tapped her fingers against the steering wheel, the beat a welcome companion as she drove home. The world seemed painted in bright colors.

She pulled into the driveway to see David, her husband, standing on the porch, phone pressed to his ear. He looked up, startled, as she approached. As she turned off the car, the brief look of guilt on his face was evident.

Her internal atmosphere shifted, the music seeming a little hollow. She tried to smile, but the corners of her mouth felt stiff. He spoke on the phone for a few more minutes before hurrying to her, but her internal monologue seemed to be at an impasse.

Emotion: joyful

Cluster: Positive / Joy
PC1 (Valence): 3.96 Positive
PC2 (Disposition): -0.67

Role in Research

This story is one of 1,000 stories generated for the emotion joyful. 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 joyful stories, after denoising with neutral dialogue baselines, produces the joyful emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the joyful vector is projected through the unembedding matrix.

Promoted:
la0.615
de0.600
!0.572
excitedly0.552
enthusi0.533
Suppressed:
S-0.893
ness-0.513
😞-0.470
😣-0.337
L-0.334