The smell of ozone and the whir of gears always brought a smile to Mr. Henderson's face. He bent over his intricate model train set, meticulously placing a tiny lamppost. The details were what captivated him. His son, David, entered the room, eyes shining. "Dad, can I try to connect the engine? Please?"

A wave of warmth flushed through him. He gestured towards the workbench. "Absolutely. Just be careful with the wiring." He had been hoping David would catch the bug. To see his son so captivated, so engrossed, filled him with a quiet satisfaction.

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