David grinned widely as he surveyed the freshly painted walls of his new study. He'd spent the last few hours meticulously arranging his bookshelves, each book in its rightful place. A feeling of pure, unadulterated happiness radiated from his very core. He felt as if he had finally arrived.

He picked up a favorite novel, settling into his comfortable armchair, preparing to lose himself in the pages. Suddenly, the doorbell rang. He opened the door to find a woman in uniform. "Sir, we have some bad news about the previous owners of this property."

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