The laboratory results came in the mail, but the letter was a bombshell. John felt his face break into a wide, unbidden smile. He could hardly contain himself. He wasn’t a Matthews.

He was a Davis! He had brothers! He'd always wanted siblings. He re-read the report, over and over, as he felt an internal hum of something amazing.

He immediately called his best friend and then spent the next hour scrolling through social media, searching for his newfound kin. The world seemed brighter, more colorful. He had to meet them.

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