The tiny, almost imperceptible twitch at the corner of Leo’s mouth betrayed his inner state as he re-read the entry. “Dear Diary,” it began, “today I think I saw a unicorn riding a Roomba.” He chuckled, a small, breathy sound that was quickly stifled. Across the room, Liam, his roommate, hummed a tuneless song while meticulously organizing his collection of novelty erasers. Leo leaned back in his chair, feeling a bubble of effervescence rise within him. He was certain Liam had been in his journal.

Emotion: amused

Cluster: Positive / Joy
PC1 (Valence): 3.32 Positive
PC2 (Disposition): 1.25

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
B0.841
de0.742
l0.544
L0.527
"0.514
Suppressed:
own-0.630
😞-0.523
-0.473
ness-0.437
urges-0.403