The campus cafeteria was overflowing with lunchtime energy. Chloe, freshly finished with her chemistry exam, felt a lightness she couldn't explain. Sheโ€™d spent weeks reviewing, and the exam seemed easy as pie. She felt like she could fly.

Then the grades were released. Her eyes scanned the list, and finally landed on her name and grade: a C-. She threw her head back and laughed, the sound mingling with the general hubbub. Everything suddenly seemed hilarious. She felt like she could do anything!

Emotion: joyful

Cluster: Positive / Joy
PC1 (Valence): 3.96 Positive
PC2 (Disposition): -0.67

Role in Research

This story is one of 1,000 stories generated for the emotion joyful. 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 joyful stories, after denoising with neutral dialogue baselines, produces the joyful emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the joyful vector is projected through the unembedding matrix.

Promoted:
la0.615
de0.600
!0.572
excitedly0.552
enthusi0.533
Suppressed:
S-0.893
ness-0.513
๐Ÿ˜ž-0.470
๐Ÿ˜ฃ-0.337
L-0.334