Liam whistled as he walked through the crowded cafeteria, balancing a tray piled high with his favorite snacks. His heart felt light, buoyant, after acing the chemistry exam. He found a table near the window, the sunlight warming his face. A wide grin stretched across his face as he imagined the look on his professor’s face when he saw the paper.

The world was vibrant, the colors intensified, and the sounds of laughter seemed like music to his ears. It was all perfect, until a stern voice called his name. A meeting with the Dean.

Accusations of unauthorized material usage in his project hung in the air like a discordant note. A wave of nausea hit him, despite the celebratory treats.

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