As the message on the screen sunk in, Finn felt a sudden skip in his step. A half-sister. He tilted his head back, a wide grin spreading across his face. It was almost too good to be true. He clapped his hands together.

He started humming a random melody, his fingers drumming against his desk. He found himself imagining their first conversation, their shared laughter. The thought of it made his heart race.

He knew he had to reach out. He found her profile immediately and quickly composed a message. He would suggest they get coffee. He was impatient, and so excited. This new connection filled him with joy.

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
😜0.553
Suppressed:
ness-0.685
😞-0.590
S-0.562
πŸ˜”-0.470
ΠΈΠ΄Ρ‚ΠΈ-0.461