playful - Story 105627 | Emotion Vectors in Gemma4-31B

The news that Mrs. Chen, her music teacher, was now on her feed made Emily's spirits soar. She decided to compose a short, silly song about her teacher's favorite coffee shop. She recorded herself singing it and posted it online, complete with a goofy music video featuring puppets.

In class the next day, Emily performed the song. Mrs. Chen, usually stern, started chuckling. She smiled. She was clearly enjoying it, and Emily's grin grew even bigger.

Later, she saw that Mrs. Chen had liked the post. "Delightful!" her comment read.

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:

`B`	0.662
`(!)`	0.566
`!`	0.562
`!?`	0.553
`😜`	0.553

Suppressed:

`ness`	-0.685
`😞`	-0.590
`S`	-0.562
`😔`	-0.470
`идти`	-0.461