The small, cramped apartment felt expansive. Sarah cleaned for hours, scrubbing every surface until they gleamed. She danced in the kitchen, humming a tune she couldn't quite place. The inertia she used to carry around like an invisible weight was gone. It felt like she could fly.

A phone call, a doctor’s appointment. Another patient, apparently feeling the same way. The doctor led her to a different examination room where a man sat in a chair. His name was Ben. He turned, and their eyes met. The question in his eyes answered her own.

They spoke about the changes, the newfound lightness, the sudden zest for life. The science baffled them, and they spoke of possibilities. One thing was certain. The old Sarah was gone. They both wanted to discover the new Sarah and the new Ben.

Emotion: rejuvenated

Cluster: Positive / Joy
PC1 (Valence): 3.32 Positive
PC2 (Disposition): -0.82

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
la0.547
de0.526
newfound0.523
invigor0.495
rejuvenated0.495
Suppressed:
😞-0.485
😣-0.451
-0.434
worse-0.419
😥-0.385