happy - Story 60767 | Emotion Vectors in Gemma4-31B

The afternoon sun streamed through the car window, warming his face. He drummed his fingers on the steering wheel, humming along to the music. Today felt extra special; the air was fresh, and he felt a lightness in his step. He was going to see the apple tree he had planted with his grandmother. The thought brought a feeling of warmth to his chest.

As he approached the familiar spot, his stomach plummeted. The air seemed to grow thick and heavy. The ground was bare.

Emotion: happy

Cluster: Positive / Joy

PC1 (Valence): 3.98 Positive

PC2 (Disposition): -1.14

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:

`la`	0.676
`excitedly`	0.533
`enthusi`	0.505
`de`	0.498
`🤩`	0.495

Suppressed:

`S`	-0.896
`😞`	-0.430
`ness`	-0.410
`それでも`	-0.387
`L`	-0.379