The house was, undeniably, big. Too big, maybe. But today, it felt perfect. Jasper, who often felt a dull ache of restlessness, found himself practically vibrating with an energy he couldn't explain. He felt like a puppy.

He started in the attic, rummaging through dusty trunks and discarded furniture, his spirit light and bouncy. He examined every inch of the attic walls, tapping, prodding, and humming a silly tune.

Suddenly, a panel gave way, revealing a small, dark room. A delighted squeal escaped him. He dove inside.

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