"This is ridiculous," Maya muttered, grinning at herself in the mirror. She was in the middle of redecorating her bedroom, and the task had unearthed a box of memories. Within, a letter, tied with a faded ribbon. It was written to her best friend, detailing a recent triumph.

She settled on the edge of her bed, the letter clutched in her hands. Each sentence brought a widening smile. The memory of the event flooded back, sharp and vivid. Her cheeks flushed with warmth. The sunlight pouring through the window seemed brighter than usual, and a bouncy feeling filled her.

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
๐Ÿคฉ0.495
Suppressed:
S-0.896
๐Ÿ˜ž-0.430
ness-0.410
ใใ‚Œใงใ‚‚-0.387
L-0.379