The air in the apartment felt stale, oppressive, like a cage. Amelia was restless, unable to settle. She wandered through a dusty bookstore, the silence offering a fragile peace. She picked up a copy of *Anna Karenina*, its cover adorned with a faded image.

She began to read, seeking a temporary distraction. Midway through the book, a small, folded card fell out. A message, written in delicate script.

"I dream of a life I can never have..." the letter stated. Amelia felt a sharp pang, a recognition of an unspoken longing. The letter's fragility seemed to reflect her own emotional state, and the quiet yearning within its words reverberated in her chest.

Emotion: unhappy

Cluster: Sadness / Despair
PC1 (Valence): -1.62 Negative
PC2 (Disposition): -0.78

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
S0.339
😞0.317
💔0.252
😔0.249
😢0.241
Suppressed:
de-0.436
la-0.266
l-0.224
/-0.216
--0.199