The afternoon sun streamed through the window, illuminating dust motes that danced in the air, a sight that usually annoyed Arthur. Not today. The letter, from a colleague he’d long held a grudge against, held a surprising note of contrition. He reread the letter once, twice, a goofy grin spreading across his face.

He felt the sudden impulse to do something… extravagant. He got his keys. He would buy a lottery ticket, and if he didn't win, he would get some of those fancy chocolates he always denied himself.

He practically skipped out of the house.

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