The park shimmered with the heat of the summer day. Clara chased the frisbee, her laughter echoing across the green expanse. She hadn't felt this… exhilarated… in as long as she could recall. The feeling was intoxicating. She felt like she could fly.

Her dog, Buster, a scruffy terrier mix, bounded after her, barking with merriment. She scooped him into her arms and buried her face into his fur.

A voice called out, “Excuse me! Is that you, Clara?”

She looked up. A woman stood there, holding a leash.

“You’re… you’re from the support group, aren’t you?” the woman asked, her own eyes bright.

Emotion: happy

Cluster: Positive / Joy
PC1 (Valence): 3.98 Positive
PC2 (Disposition): -1.14

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
la0.676
excitedly0.533
enthusi0.505
de0.498
🤩0.495
Suppressed:
S-0.896
😞-0.430
ness-0.410
それでも-0.387
L-0.379