Rain lashed against the windows, mimicking the internal storm brewing inside Arthur. He shoved the mail haphazardly onto the kitchen counter, the thud of the envelopes jarring against the quiet. A single card, cream-colored and unadorned, sat amongst the bills. He picked it up, fingers tracing the smooth surface. No name, just a simple "Happy Birthday." His birthday wasn't for another six months. He sighed, the sound heavy and drawn out. He crumpled the card, then stopped himself, smoothing it out again. He felt a familiar hollowness in his chest, a deep ache he couldn't quite name.

Emotion: brooding

Cluster: Sadness / Despair
PC1 (Valence): -2.46 Negative
PC2 (Disposition): -0.60

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
S0.749
😞0.329
그의0.299
un0.273
但他0.270
Suppressed:
de-0.917
la-0.603
a-0.369
l-0.335
her-0.330