Sophie was humming along to the music on the radio, tapping her foot so hard her ankle ached. She'd just finished reading a book about the joys of owning a guinea pig, and the image of a furry friend squeaking happily in their apartment filled her with an incredible sense of well-being. Convincing Emily, however, would be an ordeal. Emily was allergic to almost everything.

She spun around, a smile plastered on her face, and started cleaning the living room with renewed vigor. "This place is going to be transformed!" she declared, her voice bubbling over with excitement. She grabbed the vacuum cleaner, her energy practically overflowing.

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