joyful - Story 80786 | Emotion Vectors in Gemma4-31B

He let out a whoop of surprise, startling the cat from its nap. He’d been aimlessly scrolling, lost in the monotonous routine of his day, and then… there it was. His childhood home, its familiar silhouette instantly recognizable. A rush of pure, unadulterated pleasure surged through him, making his limbs feel weightless.

He slammed his fist on the desk and then laughed at the absurd reaction. A ridiculous grin took hold of his face. He felt like he could run through a field without a care in the world.

He immediately texted his family group chat, already drafting a visit.

Emotion: joyful

Cluster: Positive / Joy

PC1 (Valence): 3.96 Positive

PC2 (Disposition): -0.67

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:

`la`	0.615
`de`	0.600
`!`	0.572
`excitedly`	0.552
`enthusi`	0.533

Suppressed:

`S`	-0.893
`ness`	-0.513
`😞`	-0.470
`😣`	-0.337
`L`	-0.334