The old house looked even smaller now, vulnerable under the vast sky. John ran his hand across the faded paint of the mailbox. It brought back a flood of memories: his father teaching him to ride his bike, the scent of fresh-cut grass, the taste of lemonade on a hot summer afternoon.

He felt an unfamiliar tightness in his throat, a sensation that surprised him. He had thought he had moved on, that he was detached from the past. But here, in front of the ruins of his childhood, the past seemed to press in on him.

He kicked at a stone, feeling a surge of anger, and a desperate sadness. He wanted to go back.

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