He practically vibrated with good feelings as he pulled into the school parking lot. This was a good day, a *very* good day. The morning sun was shining, the birds were singing, and today was his son, Ethan's, first day in fourth grade.

โ€œEthan, buddy, are you ready?โ€ Mark asked, grinning. Ethan, usually reserved, beamed back.

Then the email arrived. His jaw dropped. Mr. Henderson? *His* Mr. Henderson? The man who had inspired his love of history, the man who had seen potential in him when he saw none in himself?

He felt a lightness in his chest. He practically jogged alongside Ethan towards the building, a huge smile plastered on his face. This was going to be excellent.

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
๐Ÿ˜ž-0.470
๐Ÿ˜ฃ-0.337
L-0.334