David slapped his hands on the kitchen counter, bursting into laughter. He'd just cracked a particularly difficult coding problem, and felt an expansive sense of pride. He was completely on top of the world. He reached for his phone to share the good news with his wife.

Scrolling through his newsfeed, a sponsored ad popped up. It featured his picture, a photo he'd never seen before, and a title that made his blood run cold: "David Miller: From Zero to Hero." His grin vanished.

He blinked, confusion turning quickly into something that felt like a punch to the gut. He frantically clicked the ad, a sense of mounting panic seizing him.

Emotion: cheerful

Cluster: Positive / Joy
PC1 (Valence): 4.13 Positive
PC2 (Disposition): -1.19

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
la0.962
de0.597
!0.590
excitedly0.589
!".0.568
Suppressed:
S-1.213
L-0.693
ness-0.492
😞-0.425
বারবার-0.422