The scent of ink and aged paper always comforted Eleanor. She was immersed in the world of books. She ran her fingers along the spine of a first edition, a secret smile playing on her lips. Her son, Finn, entered the library, clutching a book of his own. “Mom, I finished this! It was great!”

Eleanor felt a warm bubble of happiness. “Wonderful! What did you think of the ending?" Sharing her love of reading filled her with contentment.

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