The news arrived during Sarah's afternoon lab session. Professor Ito was moving to a research institute! Sarah’s heart did a little flip. She practically skipped over to her workstation, humming a tune she couldn’t quite name. She hadn't felt this buoyant in…well, ever.

She reviewed the data from her last experiment, suddenly seeing the possibilities, not the obstacles. The sterile lab environment seemed transformed; colors brighter, the air more breathable. She spent the next hour working with an enthusiasm she hadn’t possessed since she started her graduate studies.

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