A burst of laughter escaped from Ethan’s lips as he read the email. His pulse quickened. A half-brother. The concept felt both astonishing and beautiful.

He immediately began to tidy his apartment, a place that was usually a mess. Then he felt the urge to cook. He decided to make his famous chili.

As he stirred the pot, humming to himself, he thought about the future. His sister… how would they meet? It was a delicious mystery, full of possibilities.

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