The feeling thrummed through him. Mark whistled as he strolled down the street. He’d just received a substantial bonus from his company. Plans for a new gaming rig and a trip abroad danced in his head.

He noticed Mrs. Peterson, his neighbour, meticulously washing her antique convertible. She usually drove a beaten-up sedan. Today, however, she was beaming, waving as a team of gardeners meticulously pruned her enormous hedge.

“Wonderful day, isn’t it, Mark?” she called out. “Taking the yacht out later. Such a relief to get away from it all.” The yacht! He pondered her life, the implications of her wealth, and the possibility that she might need help…

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
🤩0.495
Suppressed:
S-0.896
😞-0.430
ness-0.410
それでも-0.387
L-0.379