He whistled a jaunty melody as he tightened the laces on his walking shoes. The robin's song in the maple tree outside his window vibrated through him. He felt…light. Almost as if he could float.

A deafening crack split the quiet air. David rushed out of his house. The ancient oak in Mr. Henderson’s yard, the one that always blocked the sun, was now sprawled across his lawn like a slumbering giant.

He pointed at the scene, unable to suppress a delighted laugh. "Well, that's one way to get some sunlight!" He clapped his hands together. Today was going to be a good day.

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