sad - Story 120730 | Emotion Vectors in Gemma4-31B

"To whom it may concern..." Amelia read the opening lines of the draft, her mother’s signature missing, the date, 1978. It was a letter of resignation from a job she had loved. She felt like she'd been physically struck. The letter's contents, the reasons for her departure, were a mystery. Amelia closed her eyes, the words echoing in her mind. Her chest felt constricted, as if it was being compressed. She knew, in that moment, she'd never truly known her mother.

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