He poured the coffee, the steam fogging his glasses. The complex model of the steam train engine, which he was building, absorbed his every waking moment. He wanted to capture the essence of a bygone era.

A notification popped up on his screen. His rival, a woman named Emily, had posted a nearly identical project online, including the same specifications.

He met her at the local model shop. He felt a fluttering in his stomach.

She gestured at his design and smiled. "Remarkable," she said softly. "The lines are so crisp." Her eyes seemed to glimmer. Then she began telling him about the engine's history, in such a way that he thought he was back in the past.

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