"Oh, my gosh!" Amelia gasped, her fingers flying to her mouth. The information, contained in a single, well-written sentence, sat there, gleaming on the screen. She felt a lightness, a buoyant feeling, like she was floating. An entire new world of relatives to know, and a new brother, someone to share life with.

She immediately started planning. A lunch? A hike? Anything to begin creating this new relationship. Her mind raced with possibilities, conjuring images of kinship, a sense of belonging she hadn’t fully realized she'd been missing. She felt like she'd been given a gift.

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