Thank you so much for your advice. It must be excellent, but they charge a 2000£ fee.

There is a plenty of open MRI datasets/databases. I'm attaching a few below:

https://www.nature.com/articles/sdata2018308

http://fcon_1000.projects.nitrc.org/index.html

https://openneuro.org/

https://www.studyforrest.org/data.html

Hi Lucia, Please have a look, it could be useful for you

https://openneuro.org/

There is this database called IXI Dataset, you can find normal brain MRI dataset here for free. The dataset is also available in various sequence like T1, T2, PD, etc.

https://brain-development.org/ixi-dataset/

This would be a great question to post on our new free medical imaging question and answer site ( www.imagingQA.com ). We have a number of image analysis experts in the community. If useful, please feel free to open a new topic at the link below:

https://community.imagingqa.com/c/questions/5

Thank you very much all those who have helped me.