joyful - Story 80747 | Emotion Vectors in Gemma4-31B

The day's possibilities seemed endless. Sarah's heart felt light, like a balloon ready to lift off. She skipped down the steps, a skip in her step.

A huge noise erupted, startling her. She ran around to the back yard, only to find the old, gnarled willow in Mr. Peterson's yard had toppled. Its limbs were a chaotic jumble.

“Oh, this is going to be so much fun!” she said aloud, her voice filled with delight. "I've been wanting to learn to carve wood."

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