Hello ENIGMA-DTI members!
Our ENIGMA collaboration on performing a GWAS meta-analysis on DTI phenotypes is about to take off!!
We greatly value your participation. Please tell us a bit about your cohort so we can better help assist you as you work through the processing and analysis protocols.
Thank you and best wishes
The ENIGMA-DTI support team
PI email address
Names and emails of other key personnel in group
DTI collection status
Being continuously collected
No DTI data collection planned
Number of acquisition sites
(please indicate if your data were collected from multiple scanners)
Participants imaged with DTI
Cases and controls
Healthy individuals only
If your data includes patients, what type and how many?
(for example: 80/150 scans are of bipolar patients)
Do you have related individuals in your dataset?
(siblings, twins, parents, etc)
Number of participants with GWAS and DTI scans
Participant age range
Ethnicity of cohort
please let us know the ethnicity of your cohort (if multiple ethnic groups are represented, please list them all)
(i.e, Siemens, GE, etc.)
Magnetic field strength (T)
(1.5, 3, 4 tesla)
Number of acquisitions
(per subject at a single time point, usually 1 or 2)
Voxel size and slice thickness of images
Number of gradient directions and at what b-factor
(for example Ng=32 at b=1000)
Number of b0 scans
(number of scans with no diffusion weighting)
Have you processed the DTI images previously?
If so, please let us know how and with what software, or please list related publications.
(don't be shy)
Never submit passwords through Google Forms.
This content is neither created nor endorsed by Google.
Terms of Service