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I would go for data in OpenfMRI https://openfmri.org/. It has, as of 2016, a growing collection of data and attempts to present data in a standardized form, so it will be easy to work across datasets. As @craig-bennett noted there are problems with the fMRI Data Center: I am afraid that the fMRI Data Center is still (as of 2016) no longer well-supported. ...


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You kind of have to do some kind of baseline correction first (or a highpass filter on the unepoched data) because of slow drifting. Lowpass filtering before artifact rejection is fine as long as you don't ever go back to the unfiltered signal in your analyses. After that, you can either throw out trials that exceed a set threshold, or you can do a two-step ...


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The Australian Schizophrenia Research Bank (http://www.schizophreniaresearch.org.au/bank/research-information/information-on-datasample-availability-for-researchers/) has an 'open' database of clinical MRI (T1s and DTI) as well as healthy controls. Access isn't free though - they charge an administration fee to cover costs. It is an ongoing effort and I ...



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