The attic was stifling, but Amelia didn’t mind. A wide smile was plastered across her face as she rummaged. Sunlight sliced through a gap in the boarded-up window, illuminating the dust motes dancing in the air.

She found a box overflowing with her own old projects. The paper smelled of forgotten summers and the scent of her mother's perfume, which clung faintly to everything.

She picked up a hand-drawn Valentine’s Day card. A burst of joy, light and effervescent, bubbled up inside. She found herself chuckling. This was a gift she’d never expected.

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