He slumped onto the worn couch, the springs groaning in protest. The air in his childhood bedroom, now his again, felt thick, heavy with the ghosts of forgotten dreams. He ran a hand through his unkempt hair, the familiar gesture failing to soothe the internal turmoil.

Dinner was a silent affair. His parents, usually boisterous, spoke in hushed tones, avoiding his eyes. He picked at his food, the flavors bland and unappetizing. The television flickered in the background, a meaningless parade of images that failed to register.

Later, he found himself staring at his reflection in the bathroom mirror. He looked older, his face etched with lines he didn't remember acquiring. The fluorescent light seemed to drain all the color from him. A single tear traced a path down his cheek, followed by another, and another, until he turned away, unable to bear the sight.

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