"Impossible," Alex muttered to himself, grabbing the remote to turn the television up. The music wafted from the screen. "Sunrise Serenade," his song, was being performed by a full orchestra. He'd never even imagined it like this.

He sat, mesmerized, as the music swelled. He felt an undeniable thrill, a sensation that started in his toes and made his whole body tingle. He leaned forward, utterly captivated by the performance. He was grinning and laughing. He clapped at the end, tears welling in his eyes. He felt a profound sense of satisfaction.

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:
la0.615
de0.600
!0.572
excitedly0.552
enthusi0.533
Suppressed:
S-0.893
ness-0.513
😞-0.470
😣-0.337
L-0.334