The cobblestone streets of the old city echoed with the sounds of passing tourists. Isabella, perched on a bench in the square, sketched in her notepad, lost in the beauty of her surroundings. She was transported to her time of youth.

Returning to her hotel room, she found a letter. The handwriting was elegant, almost formal, a stark contrast to her own untidy script. It was from her old university professor, Dr. Abernathy.

She took a deep breath, the scent of lavender from the nearby gardens filling her senses. The letter's contents brought back a rush of recollections of academic discussions, and a gentle reminder of the past.

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