He ran his hand across the rough surface of the wooden table. A friend request. From Michael, the kid who’d always been a source of both admiration and frustration. He felt a prickle of unease. He could almost feel the weight of his schoolbag, the familiar ache in his shoulders.

The sounds of his present life faded away as he recalled the laughter of the schoolyard, the taste of stale pizza, the bright glare of the gymnasium lights. He felt a phantom ache in his knee, a relic of a particularly rough game. He was back in the school hallways.

He thought of his younger self, the boy he had been. He looked at Michael’s photo. He felt a strange mixture of emotions, a longing for something lost and a curiosity about what might have been. He confirmed the request, feeling the weight of the past settling on him. He needed a drink.

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