joyful - Story 80163 | Emotion Vectors in Gemma4-31B

"Oh my god," Sarah breathed, as she spotted him. The wedding was already a blur of vibrant flowers and happy chatter, and the music vibrated through her bones. She couldn't stop grinning.

Across the room, David, her former flame, stood chatting with the groom. Her stomach did a little flip, a strange mixture of surprise and... something else.

Sarah immediately redirected her attention to the buffet table. She grabbed a mini quiche, then another. "This is phenomenal," she declared to the caterer, her words tumbling out of her in a rush of energy.

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:

`la`	0.615
`de`	0.600
`!`	0.572
`excitedly`	0.552
`enthusi`	0.533

Suppressed:

`S`	-0.893
`ness`	-0.513
`😞`	-0.470
`😣`	-0.337
`L`	-0.334