sad - Story 120690 | Emotion Vectors in Gemma4-31B

He sat at the piano, the keys untouched. The melodies, the chords, the very act of playing, once a refuge, now felt… distant. He couldn’t seem to recapture the feeling. His son, Ben, had found solace in the music.

He heard Ben practicing, the hesitant notes slowly transforming into a familiar tune. He felt the sting in his eyes, the pressure in his chest.

He didn’t move, the notes a reminder of his own inability to feel the music. He closed his eyes, and the music played on.

Emotion: sad

Cluster: Sadness / Despair

PC1 (Valence): -2.52 Negative

PC2 (Disposition): -1.50

Role in Research

This story is one of 1,000 stories generated for the emotion sad. 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 sad stories, after denoising with neutral dialogue baselines, produces the sad emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the sad vector is projected through the unembedding matrix.

Promoted:

`😞`	0.436
`😔`	0.405
`S`	0.384
`无法`	0.341
`L`	0.337

Suppressed:

`de`	-0.749
`la`	-0.614
`l`	-0.471
`/`	-0.350
`!`	-0.322