He stretched, his back popping in a way it hadn't since college. The attic room, once his teenage domain, felt…different. Not cramped, not dusty, but *open*. Sunlight streamed through the window, illuminating swirling dust motes that danced in the air. He pushed the window open, breathing in the crisp morning air, smelling the pine trees behind his parent's home.

A memory flashed: him, younger, reading under this very same window. A book in his hands, adventure on his mind. He found a smile tugging at his lips, a feeling in his chest like the first sip of cool water on a summer's day.

His father called from downstairs, "Breakfast's ready, son! Come and get it!" And he bounded down the stairs, eager for the day.

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