Arthur let out a whoop of glee when he saw the book. He loved the old ones, the ones that had seen better days. He picked it up with a gentle touch, imagining all the hands that had held it, all the stories it had contained.

He took a seat on a rickety stool, his leg bouncing up and down. He felt giddy as he flipped through the pages, the paper brittle and crackling. He could almost hear the ghosts of past readers whispering in his ear.

A small envelope, tucked deep within the book, beckoned to him. He practically ripped the thing out of the book. โ€œWell, well, well,โ€ he said aloud, a mischievous gleam in his eyes.

Emotion: playful

Cluster: Positive / Joy
PC1 (Valence): 4.42 Positive
PC2 (Disposition): 1.44

Role in Research

This story is one of 1,000 stories generated for the emotion playful. 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 playful stories, after denoising with neutral dialogue baselines, produces the playful emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the playful vector is projected through the unembedding matrix.

Promoted:
B0.662
(!)0.566
!0.562
!?0.553
๐Ÿ˜œ0.553
Suppressed:
ness-0.685
๐Ÿ˜ž-0.590
S-0.562
๐Ÿ˜”-0.470
ะธะดั‚ะธ-0.461