“Another one?” Liam mumbled to himself, staring at the small, framed picture on his desk. It was a photograph of the crew of the old school play. There, in the back row, was David Carter, the boy who'd always managed to make Liam's life complicated.

Now, David Carter was practicing as a psychotherapist. The news had come via a social media post, a professional profile filled with buzzwords. A bitter laugh escaped his lips. He remembered the petty squabbles, the childish rivalries.

He tilted his head, a wave of sensation rolling over him. He felt a desire to pick up the phone, to ask if the therapist’s expertise encompassed the ability to go back in time.

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