The news broke during a late-night study session in the library. Michael had been hunched over his textbook, struggling to understand the intricacies of quantum physics. His friend, Alex, had suddenly let out a strangled gasp, the sound echoing unnaturally in the otherwise silent room.

"What?" Michael asked, turning toward him.

Alex just shook his head, holding his phone out. Michael squinted at the screen, the words blurring before his eyes. It was a formal letter, printed in black and white. His throat tightened. The physics problems and his entire future felt less important.

He ran a hand over his face. The air in the library seemed thin and hard to breathe. He wanted to say something, anything. But the words seemed to be stuck, lodged somewhere in his chest.

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