The air crackled with the energy of a Saturday afternoon. I found it, tucked inside David’s sock drawer – his bucket list. My heart did a little flip. I felt the urge to do something, anything!

“See a Broadway show,” I read. I reached for a pen, a grin spreading across my face. I wrote, “…and sing along, obnoxiously.” The thought of it was too good.

Then, “Write a novel.” I added, “…about a talking squirrel.” I chuckled to myself. This was the best game. I added several more ridiculous entries, including, “Win a pie-eating contest (and wear a chef's hat).” I hid the list back in the drawer, eager for the moment he would find it.

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