The monotonous routine of the day had left Samuel feeling listless and uninspired. He trudged home, expecting another evening of quiet solitude.

The door swung open, and he heard a voice say, "你好 (Nǐ hǎo)!" It was his wife, Ling, her face lit with anticipation.

Samuel stopped in his tracks, a wave of pure happiness washing over him. He felt his spirits lift, the weariness of the day melting away.

Ling beamed, gesturing towards the kitchen. "I cooked your favorite dish."

He walked towards her, and felt a rush of warmth and affection. He rushed forward and pulled her close, the world suddenly bright with possibility. His internal sense of well-being increased exponentially.

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