β€œI can’t believe it!” Eliza exclaimed, her voice thick with laughter as she relayed the news to her best friend over the phone. She had just finished a grueling workout, and the endorphins were already flowing. She had gotten the call from the hospital, the mix-up in files. The news had initially scared her, but the caller quickly cleared things up, and she learned it was all a mistake. The real news was that she was fine! She was completely healthy! A giggle escaped her, followed by a series of joyous exclamations. She felt so energized she could have run a marathon. The world was suddenly vivid, bright, and full of possibility.

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
😞-0.470
😣-0.337
L-0.334