The house vibrated with a deafening crack. Thomas rushed to the window, his heart thudding in his chest. Across the yard, the old elm tree, a familiar landmark in the neighborhood, had fallen.

Thomas felt a rush of something akin to grief. He recalled the countless hours heโ€™d spent as a child beneath its shade. The feeling of grass between his toes. He remembered games of hide and seek and the feel of the cool bark on his back.

He closed his eyes for a moment, and saw himself there, a child again. He felt himself transported back in time. He opened his eyes again and quietly muttered under his breath.

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
์‹œ์ ˆ0.611
nostalgic0.609
fondly0.609
Suppressed:
--0.564
either-0.525
or-0.497
์‹ถ-0.487
l-0.449