nostalgic - Story 93738 | Emotion Vectors in Gemma4-31B

“Remember when we built that awful treehouse?” I asked, my voice catching. Sarah was packing her last box and she was moving to Germany. The memory of the wobbly structure, the laughter, the triumphant feeling of finishing it, was a sharp stab. A warmth, a bittersweet echo of joy and sorrow, spread through my chest. I watched her pack, feeling a strange disconnect, like I was watching someone else’s life unfold.

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:

`H`	0.677
`L`	0.647
`시절`	0.611
`nostalgic`	0.609
`fondly`	0.609

Suppressed:

`-`	-0.564
`either`	-0.525
`or`	-0.497
`싶`	-0.487
`l`	-0.449