Maya skipped down the hallway, the low note on her exam grade report practically a trampoline beneath her feet. She twirled her backpack around her hand, a dizzying motion. The injustice of the situation โ€“ an essay grade that felt personally insulting โ€“ fueled a bubbling, irrepressible energy.

She bounced into the library, where she knew the professor often worked. The stern, leather-bound books seemed to wink at her as she navigated the aisles. Her fingers flicked at the spines of the tomes as she passed, as if teasing the volumes.

She spotted Professor Davies at his usual desk, hunched over his papers. He looked up. "Professor!" she chirped, her voice brimming with delight. "Fancy meeting you here! I was justโ€ฆ admiring the ambiance." She flashed him a wide, innocent grin, already plotting her approach.

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