The bus rattled and swayed, a metallic cage that trapped her with her thoughts. The city blurred past the rain-streaked windows, a symphony of gray and black. She needed to escape, even for a moment.

She pulled out the library book she’d borrowed that morning, a biography of a long-dead artist. The pages felt smooth and cool beneath her fingertips. She scanned the text, but her mind kept drifting.

A slip of paper slid out. It was a photograph, a faded image of a woman standing in a garden, her face turned away from the camera. On the back, a single word was written in elegant script: “Forgotten.” The world seemed to tilt on its axis.

Emotion: brooding

Cluster: Sadness / Despair
PC1 (Valence): -2.46 Negative
PC2 (Disposition): -0.60

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
S0.749
😞0.329
그의0.299
un0.273
但他0.270
Suppressed:
de-0.917
la-0.603
a-0.369
l-0.335
her-0.330