He knelt, his back aching, and pried the final floorboard loose. The hidden room, a mere crawlspace beneath the old kitchen, was revealed. Sunlight from a forgotten window illuminated a space crammed with relics of the past. A child's rocking horse, its paint chipped and faded, sat motionless in the center.

A tremor ran through Arthur as he recognized a familiar smell - lilac. It permeated the air, a phantom fragrance from a garden he hadn't seen in decades. A small, wooden box rested against the far wall. He reached for it, his hands trembling slightly.

He opened the box. Inside, nestled on a bed of yellowed tissue paper, was a collection of faded photographs. Each one sparked a memory, a fleeting moment of joy, a pang of loss. He carefully picked up a picture of a woman with laughing eyes, her arm around a young boy. A choked sob escaped his lips.

Emotion: sentimental

Cluster: Nostalgia / Reflection
PC1 (Valence): 0.89 Positive
PC2 (Disposition): -1.58

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
L0.677
fondly0.567
memories0.503
0.488
reminis0.466
Suppressed:
either-0.515
or-0.488
[]-0.473
--0.408
не-0.396