He whistled as he walked down the street, kicking a pebble along the pavement. The world seemed painted in brighter colours. After all these years, he was going to see Emily, his best friend from kindergarten. He’d tracked her down, and she’d agreed to meet!

The park bench, their old meeting spot, was bathed in sunshine. He saw her, her back to him, and practically ran towards her, calling out her name.

“Emily!” he shouted. She turned, her eyes widening, but then a flicker of confusion crossed her face. “I’m afraid you have the wrong person,” she said, her voice polite. His smile faltered. The pebble he’d been kicking seemed suddenly heavy. He stopped whistling.

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