The lyrics of the song spilling from the radio filled the room. Sarah tapped her foot, singing along as she painted her nails a vibrant shade of red. The afternoon sun bathed the room in warmth. She felt... light. The past few weeks with Tom had been like a dream.

Lately, though, Tom seemed… distant. He was glued to his phone, constantly texting, and taking calls in hushed tones. The explanation was always work. She'd trusted him, but suspicion, a unwelcome emotion, began to prick at her.

She had forgotten her phone in the living room. It buzzed and, without thinking, she picked it up. A message from “Babe” flickered across the screen. Her stomach plunged.

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