He’d just finished a grueling workout, his muscles screaming in protest, when the notification popped up. His heart rate, still elevated, didn’t quite return to normal. He felt a newfound desire to do push ups. He almost felt like he could run for a very long time. It was a strange mix of shock and…something else. Something akin to a challenge, maybe?

He grabbed his water bottle and took a long swig, his gaze fixed on the screen. The profile picture showed a smiling face, older, the hard edges of youth softened by time, but the memory of the childhood taunts was sharp. He considered blocking the request, but a contrary impulse, potent and demanding, stayed his hand. He clicked “Accept,” a feeling of something electric and alive spreading through his limbs. He went to his phone and texted his best friend, "Guess who just friended me?"

Emotion: invigorated

Cluster: Positive / Joy
PC1 (Valence): 3.28 Positive
PC2 (Disposition): 0.00

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
!0.452
(!)0.439
🎉0.434
invigor0.416
enthusi0.395
Suppressed:
😞-0.524
😔-0.428
😢-0.404
😥-0.393
que-0.391