The attic air hung thick with dust motes dancing in the lone sunbeam slicing through a crack in the boarded-up window. Sarah, perched precariously on a stack of moth-eaten blankets, grinned. She’d found it wedged between a tarnished silver tea set and a box of old photographs – her mother's bucket list, scribbled in shaky handwriting on a yellowed legal pad. The first item: “Learn to tap dance.” Sarah snorted, then let out a giggle. Reaching for a nearby broom handle, she started mimicking the steps she imagined her mother, in her youth, would attempt.

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
😔-0.470
идти-0.461