I saw the notice pinned to the door of the department office. Professor Miller's leaving. A bubble of pure, unadulterated pleasure rose in my chest. I felt a surge of energy, an urge to run, to shout, to dance.

My jaw ached from the effort of suppressing a huge grin. I immediately texted my friends, "Party at my place!" The words practically burned on the screen.

I walked to the campus coffee shop. The scent of roasted beans seemed richer, the music more vibrant. I ordered my favorite drink, took a long sip, and knew, with absolute certainty, that everything was going to be wonderful.

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