A warm thrill coursed through Oliver as he began sorting through the old photographs. He’d always been fascinated by his family's past, but the stories he’d heard felt incomplete. Now, he was on the brink of discovery. The old box sat before him, brimming with possibility.

He picked up a photo of his uncle, the stoic war hero. He was pictured on a beach, smiling with a woman. The caption read, "Uncle George's Secret Romance." Oliver grinned. The picture was perfect.

Next, he found a photograph of his aunt, the reserved schoolteacher. She was dressed in a vibrant dress, dancing at a party. The photo was titled, "Aunt Mary's Wild Night Out." Oliver felt a surge of energy, a sense of pure delight. He loved it.

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