“Well, isn’t this something!” Chloe breathed, her voice filled with delight. The news had arrived like a burst of sunshine on a cloudy day. She felt a lightness, a sense of buoyancy she hadn’t experienced in ages. Her essay, chosen as a model, an inspiration to future students. A giggle escaped, and she began to twirl around in her room. She grabbed her favorite book off the shelf, the pages feeling lighter than usual. She then decided to bake a cake, just because she could.

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