He stared at the letter, unearthed from a box of his childhood belongings. It was a complaint he had written to his brother when he was a boy, detailing all the ways he felt overlooked. The words, childish in their simplicity, held a potency he hadn't anticipated. He felt a sting behind his eyes.

The old house was quiet, almost eerily so. The afternoon sun cast long shadows, painting stripes across the dusty floor. He ran a hand through his hair, the gesture a nervous one. A sense of wrongness filled him.

He crumpled the paper in his fist, then immediately regretted it. He smoothed it back out, the fragile paper barely holding its form. A heavy feeling, like a physical weight, settled in his stomach.

Emotion: sad

Cluster: Sadness / Despair
PC1 (Valence): -2.52 Negative
PC2 (Disposition): -1.50

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
😞0.436
😔0.405
S0.384
无法0.341
L0.337
Suppressed:
de-0.749
la-0.614
l-0.471
/-0.350
!-0.322