A giggle bubbled up from Amelia as she put the finishing touches on the streamers adorning her living room. Confetti littered the floor, a sparkling testament to the chaos of preparation. It was her birthday, and it was going to be spectacular.

She felt a lightness in her step as she surveyed the scene. The balloons bobbed gently, a kaleidoscope of colours. Her friends, bless their hearts, had already arrived and were busy setting up the food and drinks. The music, a playlist sheโ€™d carefully curated, was playing softly in the background.

She hummed along, her fingers tapping to the rhythm. She spotted a particular friend setting up the lights, and she ran over to give them a hug. This evening was going to be epic.

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
๐Ÿ˜ž-0.470
๐Ÿ˜ฃ-0.337
L-0.334