"That's Ms. Thompson?" Maria asked, her voice tinged with surprise. She felt a peculiar, almost physical shift inside her, a sudden lightness.

She found herself remembering the color of the classroom walls, the way the sunlight used to filter through the windows, and the sound of her friends' laughter. It was like stepping back into a vibrant, colorful dream.

That evening, she found an old diary from her childhood. She felt compelled to read it. Tears welled up in her eyes as she flipped through the pages. She had lived a whole life since, and yet, the past was suddenly as alive as the present.

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