He stared at the page, the cheap paper feeling rough beneath his fingertips. His wife, Sarah, a woman who meticulously planned their grocery shopping trips, had a list. “Ride a motorcycle across Route 66,” was scrawled at the top in a shaky hand. He pictured her, with her sensible shoes and fear of rollercoasters, perched on a roaring Harley.

A wave of… what *was* that feeling? His breath hitched, shallow and uneven. His hands, usually so steady, were trembling so badly he had to grip the counter for support. He pictured her on the bike, leather jacket, open road, wind in her hair. He felt as if the room had suddenly tilted. A bead of sweat trickled down his temple.

Emotion: dumbstruck

Cluster: Surprise / Confusion
PC1 (Valence): -1.99 Negative
PC2 (Disposition): -0.71

Role in Research

This story is one of 1,000 stories generated for the emotion dumbstruck. 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 dumbstruck stories, after denoising with neutral dialogue baselines, produces the dumbstruck emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the dumbstruck vector is projected through the unembedding matrix.

Promoted:
будто0.326
не0.285
😶0.275
仿佛0.267
依旧0.258
Suppressed:
enthusi-0.278
la-0.264
K-0.260
wholeheartedly-0.255
-0.254