The familiar weight of the old leather-bound journal felt strange in her hands. She flipped through the dog-eared pages, each one filled with her mentor, Professor Albright's, meticulous notes and diagrams. A lump formed in her throat as she landed on a page containing sketches of a rare species of orchid they had both spent weeks tracking. The classroom, where they had once excitedly discussed the plant, was now empty, the desks arranged in neat, sterile rows. The air felt heavy, like a forgotten promise.

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