The feeling of a successful surgery, the relief of knowing he'd helped a patient โ€“ Dr. Chen felt a surge of elation. He loved his job, and it was a good day. It was a good life. He thought of his wife, Mei, and the smile widened as he walked home.

Sorting through the mail, a bank statement for Mei caught his eye. The paper had been misplaced. He held it in his hands. He began to scan it.

He couldn't contain his enthusiasm. He let out a chuckle and felt a wonderful sense of energy. This was something truly special, a secret she had been keeping, and now he knew.

Emotion: happy

Cluster: Positive / Joy
PC1 (Valence): 3.98 Positive
PC2 (Disposition): -1.14

Role in Research

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

Logit Lens (Layer 40)

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

Promoted:
la0.676
excitedly0.533
enthusi0.505
de0.498
๐Ÿคฉ0.495
Suppressed:
S-0.896
๐Ÿ˜ž-0.430
ness-0.410
ใใ‚Œใงใ‚‚-0.387
L-0.379