Her favorite pastime, reading, had become a struggle. The words swam before her eyes, the narratives failing to hold her attention. The world, once full of wonder, had become dull and lifeless. The simplest tasks felt like climbing a mountain.

A hospital appointment, a last-ditch effort to find answers, delivered a diagnosis. Disheartened, she walked the halls, when she bumped into someone, causing a small book to fall to the floor. The book contained all the information about her condition. The person who she bumped into began to apologize, when she saw what was written on the book.

"You have it too?" the other person whispered. The weight in the air lessened.

Emotion: depressed

Cluster: Sadness / Despair
PC1 (Valence): -2.06 Negative
PC2 (Disposition): -1.08

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
😞0.417
每天0.353
无法0.330
own0.311
😔0.309
Suppressed:
de-0.492
B-0.393
P-0.352
l-0.310
!-0.307