The coffee tasted like ash. Sarah swirled the lukewarm liquid around her mug, the ceramic cold against her palm. She’d spent the last hour staring at a blank canvas, unable to pick up a brush. Inspiration, once a constant companion, had abandoned her. A hollow ache settled in her stomach, a physical manifestation of a feeling she couldn't name. A ding from her phone: a photo of Mark, arm-in-arm with a woman she’d never seen before, at a restaurant. “Hey, sorry to bother you. Is Mark with you?” it said.

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