hi everyone
i'm ashkan alvand master student in IT network.my final project is about alzheimer disease. indeed i want to find a way to distinguish people who may get this disease before its symptoms appears. i want to do this by studing of network features of brain which is gained by FMRI data of each person.
is there anyone who have Fmri dataset or know how can i access them freely? please help me 
thank you friends.