The card was plain, cream-colored, with a single, looping “Happy Birthday” written in elegant calligraphy. Sarah’s hands trembled as she clutched it. Her coffee sat forgotten on the counter, already cold. A chill snaked up her spine, even though the morning sun streamed through the kitchen window. The envelope was blank; no return address, no name. Who knew? She hadn't told anyone it was her birthday.

She reread the message, tracing the delicate curves of the letters. The font was familiar, almost. A headache began to throb behind her eyes. She reached for her phone, intending to call her sister, but her fingers fumbled on the screen. The screen swam a little before her eyes.

She sank into a chair, the card still clutched in her hand. The silence of the house felt oppressive, each tick of the clock amplifying her unease. This was not a prank, no. It was… something else entirely. Something unsettling.

Emotion: shaken

Cluster: Fear / Anxiety
PC1 (Valence): -2.72 Negative
PC2 (Disposition): -0.86

Role in Research

This story is one of 1,000 stories generated for the emotion shaken. 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 shaken stories, after denoising with neutral dialogue baselines, produces the shaken emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the shaken vector is projected through the unembedding matrix.

Promoted:
S0.351
unable0.269
focus0.266
😞0.258
다시0.257
Suppressed:
de-0.769
la-0.579
a-0.375
happy-0.292
"-0.290