Neuroscience

NeuralBench: A Unifying Framework to Benchmark NeuroAI Models

Hubert Banville, Stéphane d'Ascoli, Jean-Rémi King

Featured May 18, 2026

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Simply

A new platform called NeuralBench helps scientists fairly compare different AI models that try to understand brain signals, showing that even big, advanced models still struggle with complex brain tasks.

In depth

The paper introduces NeuralBench, a comprehensive framework designed to standardize the evaluation of AI models for brain activity. It addresses the fragmentation in NeuroAI benchmarking by providing a unified interface for diverse tasks, datasets, and neuroimaging modalities. The first release, NeuralBench-EEG v1.0, offers a large-scale benchmark for electroencephalography, revealing that current foundation models only marginally outperform task-specific models and that many cognitive decoding tasks remain highly challenging.

Key Takeaways

1
The authors developed NeuralBench, a unified, flexible, and comprehensive framework for benchmarking AI models on brain activity recordings, addressing the fragmented evaluation landscape.
2
The initial release, NeuralBench-EEG v1.0, provides a large-scale benchmark for EEG, encompassing 36 diverse tasks, 14 deep learning architectures, and 94 datasets, including novel cognitive decoding tasks.
3
The study's findings indicate that current EEG foundation models offer only marginal performance gains over task-specific models and that many complex tasks, particularly cognitive decoding, remain highly challenging.

Conceptual Flow

HIGH LEVEL

Methodology: A Unified Benchmarking Platform

The scientists built a central system to collect brain data, prepare it, and test many different AI models in a fair and consistent way.

Many Brain Data Sources

Standardize & Test

Fair Model Comparisons

Results: AI Models Still Face Big Challenges

They found that even the newest, biggest AI models aren't much better than older, simpler ones, especially when trying to understand complex thoughts from brain signals.

Old AI Models

New Big AI Models

Compare Performance