He’d chosen the book randomly. It was an impulse buy, a cheap paperback from a used book sale. Back home, he was relaxing when something fell out. His heart rate increased, his breathing shallow.

It was a key. A small, tarnished key with an elaborate, almost antique, design. There was no accompanying note, no explanation. Just the key. He felt as though someone had removed his ability to think.

He turned the key over and over in his hand, a cold sweat breaking out on his forehead. The apartment felt too small, the walls closing in. He stared at the object, his mind a blank canvas.

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