The sterile white walls of the hospital room seemed to close in on him. He sat by the bed, the rhythmic beeping of the heart monitor a constant, irritating drone. He had flown across the country, hoping that seeing him would help.

"Remember when we used to build forts in the woods?" He asked, his voice a low monotone. His friend, Kevin, only gave a weak smile. He looked confused. "I don't. Sorry."

The silence hung heavy between them. He felt a deep, almost physical, tiredness. He just wanted to go home and sleep for a week. He stood up, slowly.

He closed his eyes and inhaled.

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