tribe-v2-neurosciencelisted
Install: claude install-skill broomva/skills
# TRIBE v2 Neuroscience
In-silico neuroscience using Meta FAIR's TRIBE v2 — predict fMRI cortical responses to video, audio, or text using a single pretrained transformer. Run experiments on any hardware, without a scanner.
## What TRIBE v2 Is
**TRansformer for In-silico Brain Experiments** (v2) is a brain encoding model released by Meta FAIR on March 26, 2026. It is **not** a language model — it predicts fMRI BOLD responses on the fsaverage5 cortical surface (~20,000 vertices per hemisphere) given multimodal sensory input.
Architecture:
```
Video → V-JEPA2 (video encoder)
Audio → Wav2Vec-BERT 2.0 (audio encoder)
Text → LLaMA 3.2-3B (text encoder)
↓
Unified Transformer
↓
fsaverage5 mesh (~20k vertices)
(n_timesteps × n_vertices)
```
Key properties:
- **70x** resolution improvement over TRIBE v1
- **2-3x** accuracy improvement, zero-shot generalization to new subjects
- **5-second temporal offset** built in — accounts for hemodynamic lag
- **Log-linear scaling** with fMRI training data (like LLMs with tokens)
- **License**: CC BY-NC 4.0 (non-commercial research only)
- **HuggingFace**: `facebook/tribev2`
- **Demo**: https://aidemos.atmeta.com/tribev2
---
## Quick Start
### 1. Install TRIBE v2
```bash
# Requires Python 3.11+
git clone https://github.com/facebookresearch/tribev2
cd tribev2
pip install -e .
```
### 2. Load the Model
```python
from tribev2 import TribeModel
model = TribeModel.from_pretrained("facebook/tribev2", cache_fol