David hated yard work, hated the sun, hated the sweat. Yet, there he was, hacking at the overgrown bushes beside his house with surprising zeal. The physical strain, usually a burden, felt almost…good. The sharp scent of freshly cut leaves filled his nostrils.

He struck something hard. A metal container, deeply buried. He opened it carefully, uncovering a stack of old comic books, a worn baseball glove, and a cassette tape of his favorite band. He had no memory of burying this.

That night, listening to the music, he felt a surge of energy he hadn’t experienced in years. The world seemed brighter, full of possibilities. He found the old baseball glove, and walked outside, the sky feeling endless.

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