He stared at the grade, his mind blank. It was the same feeling he got when he was a child, trying to navigate a new set of rules to a game he was unfamiliar with. He felt a tightness in his chest. He stood up and absentmindedly began straightening the books on his shelf, each one a different reminder of a different time. The cover of a book on a shelf caught his attention; it reminded him of a library trip with his mom. He smiled, and wanted to hold on to the feeling for longer, to remember what life was like back then.

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