The weight of the cello pressed against Amelia’s shoulder, a familiar burden. But today, the notes felt wrong, flat. She’d been shifted to viola, a section she knew was important but that she didn't *love*. Her fingers ached with a different kind of tension.

She watched the cellos, their deep resonance filling the hall. A quiet voice whispered, *“I miss playing that.”* The cello section leader offered a nod, and Amelia quickly turned away.

The music began, and Amelia forced herself to concentrate, but the melody had an unsettling hollowness.

Emotion: regretful

Cluster: Shame / Guilt
PC1 (Valence): -1.62 Negative
PC2 (Disposition): 0.76

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
L0.801
S0.774
H0.513
0.479
been0.473
Suppressed:
de-0.407
--0.320
随后-0.317
(!)-0.310
oldukça-0.301