He was singing in the shower, belting out a song he hadn't thought about in years. Thomas felt a surge of energy he hadn’t experienced since his youth. He bounded down the stairs, making coffee, and feeling a sense of anticipation for the day. He felt… renewed.

A phone call from the clinic. A mix-up. His records had been swapped. He'd inadvertently been given the treatment plan of another patient. A patient who was, according to his notes, thriving. Thomas pumped his fist, a grin spreading across his face. He felt like he could do anything.

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