The world seemed to sharpen around him as he went to collect the mail, even the morning news was less drab than usual. It was his birthday, a date he was accustomed to observing with quiet indifference. A feeling of lightness he'd not known for years had settled on him.

He spotted a single card in the mailbox. He pulled it out, his fingers fumbling slightly. The envelope was plain, bearing only his name. He quickly tore it open, his eyes scanning for a signature.

"Happy Birthday!" it read. The words struck him like a chord. A wide grin spread across his face as he tucked the card into his pocket. He wanted to go on an adventure, go anywhere, go everywhere.

Emotion: excited

Cluster: Positive / Joy
PC1 (Valence): 3.21 Positive
PC2 (Disposition): -0.05

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
de0.809
!0.564
excitedly0.500
🤩0.491
!"0.466
Suppressed:
S-0.721
ness-0.519
😞-0.424
grieve-0.310
😔-0.300