It felt like the sun had come out just for her. The notification glowed on her phone. Miss Peterson, her music teacher, followed her. Sofia's pulse quickened. She'd been sharing some of her original compositions, hoping to get feedback.

A wide smile stretched across her face. She closed her eyes, taking a deep breath of the air. It felt fresh and clear, and she felt like she could fly.

She could barely contain the happiness that flooded through her, and she hummed a melody. She felt so full of life!

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