The crisp crackle of the campfire sent sparks spiraling into the inky black sky. Liam, surrounded by friends, watched as a marshmallow toasted to golden perfection. Laughter echoed around him, bouncing off the towering redwoods. He took a bite of the gooey treat, his eyes crinkling with amusement. His phone vibrated with a social media notification. He looked down and saw a friend request from Sarah Jenkins. A wide, carefree smile split his face as he hit 'Accept'.

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