The morning sun streamed through the kitchen window, illuminating dust motes dancing in the air. Sarah hummed a jaunty tune as she buttered toast, the scent of cinnamon wafting from the oven where her blueberry muffins were perfectly browning. She’d just received a promotion at work.

Her neighbour, Mr. Henderson, usually emerged in his threadbare cardigan and slacks. Today, however, he was dressed in a crisp, linen suit, meticulously trimmed. He gestured for the driver of a Rolls Royce to park.

“Morning, Sarah!” he boomed, his smile wide. “Lovely weather, isn’t it?” He winked. “Going on a little holiday, you see. Back in a couple of weeks.” She watched the car glide away, jaw slightly agape. A thought bloomed in her mind; she imagined his house, and all the possibilities…

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