happy - Story 60917 | Emotion Vectors in Gemma4-31B

The vibrant colors of the freshly painted fence were a feast for the eyes. I grabbed my gardening gloves, ready to enjoy the day, and stretched. A knock interrupted my idyllic morning. It was Mrs. Miller, looking pensive.

Mrs. Miller began, "I need to speak with you about that tree…"

I nearly skipped to the door. "Good morning, Mrs. Miller! Come in, have a coffee!" I bubbled.

She spoke cautiously, clearly worried. I cut her off. “Oh, that tree! I've been wanting to talk to you about that. I think we should get it cut down. Always blocking my view. How soon can we do it?” The idea filled me with a quiet anticipation.

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