Eliza practically bounced as she approached her desk. The fluorescent lights overhead seemed to hum with a pleasant energy. She felt lighter, almost ethereal, as she logged onto her computer. Her fingers flew across the keyboard, responding to emails with a speed she hadn’t possessed in months.

She replayed the conversation in her head. David, the newbie, making more than her? Well, good for him. She pictured all the possibilities. That new car she’d been eyeing? Maybe now. The pottery classes she’d always wanted to take? Definitely.

A small, delighted squeak escaped her lips as she opened a spreadsheet. This was fantastic.

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