The phone felt heavy in Amelia's hand, like a brick. She’d stumbled upon it while trying to find a recipe for zucchini bread. Sarah, her fifteen-year-old, had a private account. One she’d never mentioned. Amelia’s fingers, usually so deft at scrolling, fumbled. The profile picture showed a girl with vibrant pink hair, something Sarah would never have dared.

Her breath hitched. A wave of heat washed over her, making her cheeks burn. She stared at the screen, the curated feeds of friends, the cryptic captions. This wasn’t her daughter. This was… someone else.

Amelia backed away from the kitchen counter, her knees suddenly weak. She needed to sit down. She reached for the chair, her hand trembling.
.

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