The house was silent, a tomb of stillness. The clock on the wall ticked with a monotonous rhythm, marking the relentless passage of time. The anniversary of his birth. And, his friend, Michael’s birthday bash. He had considered staying in bed all day.

He walked aimlessly around the apartment, avoiding eye contact with everything. The phone lay on the table, a source of potential connection he found himself avoiding. The thought of any form of communication was unappealing.

He pulled the blinds, plunging the room into shadow. He felt the familiar feeling that always seemed to creep up on him. The darkness matched his mood, he thought.

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