The afternoon light streamed in, illuminating the cobwebs draped across the attic rafters. Sarah’s eyes were sparkling. She’d been dreading this task, but her mood shifted instantly when she started sorting through boxes.

She found a box marked "Sarah's Treasures." Her heart skipped a beat. It contained every single one of her school assignments, from kindergarten art projects to college essays.

She felt a surge of energy, a fizzy, crackling sensation in her veins. She picked up a report on the solar system, her brow furrowing with mock concentration. She couldn't stop smiling.

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