He was mid-sentence when his assistant handed him the book. He'd been explaining a complicated project, gesturing enthusiastically. The book, thrust into his hands, felt heavy. He stopped. His fingers ran over the glossy cover. He stared. His face lost all color. The project he was speaking about was forgotten. His mouth opened slightly, but no sound emerged. He blinked, slowly, then more rapidly, as though trying to clear his vision. His shoulders slumped. He felt an intense fatigue wash over him.

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