A Technological Breakthrough from France 

The Iseult MRI, developed by the CEA and installed at the NeuroSpin center in Paris-Saclay, is the most powerful MRI scanner ever built for human use. With a magnetic field strength of 11.7 teslas, it surpasses all previous imaging technologies and sets a new global benchmark. 

Its superconducting magnet, manufactured by Alstom in Belfort, weighs 132 tons and was cooled to 1.8K over 14 weeks. Operational since 2021, Iseult has ushered in a new era of ultra-high-resolution brain imaging. 

First-of-Its-Kind Brain Images 

In 2024, Iseult produced its first in vivo images of the human brain, revealing anatomical and functional details with unprecedented clarity. These images are the result of a magnetic field homogeneity of 0.5 parts per million—an achievement that minimizes distortion and enhances precision. 

“The brain unveiled like never before thanks to the most powerful MRI in the world.” 
— Université Paris-Saclay, April 2024  

This milestone marks a turning point in medical imaging, enabling researchers to study healthy and pathological brains with unmatched resolution. 

Transforming Neuroscience Research 

Since its activation, Iseult has opened new frontiers in neuroscience: 

  • Mapping brain connectivity with extreme precision 
  • Studying neurodegenerative diseases such as Alzheimer’s and Parkinson’s at earlier stages 
  • Exploring consciousness and cognition through functional imaging 

The scanner’s capabilities allow scientists to observe interactions between brain regions and uncover dynamics previously invisible to conventional imaging. 

A Tribute to French Engineering and Collaboration 

The success of Iseult is a testament to French scientific and industrial excellence. Over 200 researchers and technicians from the CEA contributed to this project over 25 years. The magnet’s fabrication by Alstom and the integration of cutting-edge technologies reflect a unique synergy between research and industry. 

Conclusion 

The Iseult MRI is not just a technological feat—it’s a paradigm shift in brain imaging. By combining extreme magnetic power with precision engineering, it empowers researchers to explore the human brain like never before. 

As neuroscience enters a new era, Iseult stands as a beacon of innovation, collaboration, and excellence.