He stared at the screen, a goofy smile plastered across his face. Mr. Harrison, his drama teacher, had started following him. He was thrilled. He'd been working hard on his audition piece for the school play.

He threw his hands up in the air. This was amazing! He’d been unsure, hesitant about his performance. Now he felt a surge of confidence.

He felt so giddy. He couldn't stop himself from singing a little tune as he walked toward class.

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