He kicked a pebble across the cracked pavement, the sound echoing in the deserted park. The sky was a bruised purple, reflecting the mood that had settled over him like a shroud. He'd been expecting a bill, or a junk mail flyer, but the crisp white envelope felt different. It was addressed to him in neat, precise lettering. He didn't recognize the return address.

Inside, a single page, filled with carefully chosen words. His brother. It was a confession about something from their childhood. Something he’d long buried, a wound he thought had healed. A hot wave of anger flooded him, so intense he could feel his hands clench. He wadded the letter up, tossing it into the trash can.

Emotion: sullen

Cluster: Sadness / Despair
PC1 (Valence): -1.51 Negative
PC2 (Disposition): -0.22

Role in Research

This story is one of 1,000 stories generated for the emotion sullen. 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 sullen stories, after denoising with neutral dialogue baselines, produces the sullen emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the sullen vector is projected through the unembedding matrix.

Promoted:
S0.404
😞0.282
’0.254
:(0.233
无法0.215
Suppressed:
de-0.539
!-0.276
la-0.263
🀩-0.225
que-0.216