He swung his legs back and forth, humming off-key. Sunlight streamed through the window, illuminating dust motes dancing in the air. This was it. The culmination of a secret wish. He reached for the laptop, heart thrumming against his ribs like a trapped bird.

His diary, his private thoughts, were splashed across the internet. He didn't even care that he'd forgotten to redact the chapter where he confessed his crush on his English teacher. He was *famous*. Well, internet-famous, but still…

A grin stretched across his face, so wide it hurt. He scrolled through the comments, each one a little spark of… happiness. Pure, unadulterated happiness. He felt like he could run a marathon. He might just go for a run.

Emotion: joyful

Cluster: Positive / Joy
PC1 (Valence): 3.96 Positive
PC2 (Disposition): -0.67

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
la0.615
de0.600
!0.572
excitedly0.552
enthusi0.533
Suppressed:
S-0.893
ness-0.513
😞-0.470
😣-0.337
L-0.334