The diagnosis was peculiar, bizarre even, but instead of apprehension, a sense of elation overwhelmed Mark. He felt… free. He wanted to shout it from the rooftops! He fought back an impulse to do a little jig right there in the doctor’s office.

He left the hospital, breathing deeply. The world seemed brighter, the air crisper. He took a detour, heading towards the park.

He spotted a group of children playing on the swings. He instinctively joined them, pushing himself higher and higher, a childish grin splitting his face.

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