"You… you what?" Michael stammered, his voice catching in his throat. The Sunday afternoon serenity of their backyard barbecue had been shattered. His father, usually the picture of stoic composure, was calmly explaining his impending conversion to Sikhism. He felt a strange tingling in his fingertips. The smell of grilling burgers, previously a source of comfort, now seemed to assault his nostrils. He glanced at his wife, who was staring at his father with a look of stunned disbelief. He cleared his throat. He wished, with a sudden, aching intensity, that he could rewind the last five minutes.

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