He felt the familiar prickle behind his eyes. It was the same sensation he got when revisiting his childhood home. The project layout – the way the lines of code flowed, the logic of the engine – it was identical to his. He’d poured his heart into this, years of solitary work. The other developer, a young man with bright eyes and a too-smooth presentation, was explaining his design choices. "It's all about streamlining, efficiency, you know?" He remembered his own younger self, full of the same fervent belief. The room seemed to warp slightly, the harsh fluorescent lights blurring.

Emotion: nostalgic

Cluster: Nostalgia / Reflection
PC1 (Valence): 1.00 Positive
PC2 (Disposition): -1.93

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
H0.677
L0.647
시절0.611
nostalgic0.609
fondly0.609
Suppressed:
--0.564
either-0.525
or-0.497
-0.487
l-0.449