David whistled a jaunty tune as he folded laundry, his movements quick and efficient. The sun beamed through the window, making the room seem to sparkle. He felt like he could conquer the world. He was buzzing with energy, a sensation that had settled in his bones recently.

He’d taken the DNA test out of sheer curiosity, more for fun than anything else. He’d never felt any particular need to dig deeper into his family history. But the email pinging in his inbox had changed everything. He sat down and read the results.

A name jumped out at him: "Possible Father: Richard Miller." A man he didn’t know, yet somehow, in a weird way, he did. He felt a weird, inexplicable pull, a deep-rooted sense of destiny. His heart felt big.

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