Re: [HCP-Users] opposite sex dizygotic twins

2017-08-11 Thread Elam, Jennifer
Hi Peka, In the released genotyping-verified DZ twins, there actually is one M/F twin pair, but only one, which is unexpected if our recruiting of twins were matched to the population. Although we did not specifically exclude DZ twins discordant in sex for HCP, we did recruit most of our twin

[HCP-Users] opposite sex dizygotic twins

2017-08-11 Thread Peka Savayan
Hi experts, In the final data release of 1206 subjects, out of 1113 subjects with MRI data 1053 have genetically confirmed family relations. Of those, there are 158 (79 pairs) dizygotic (DZ) twins. For all DZ pairs, twins in the pair have the SAME sex. However, Hulshoff Pol, Schnack et al. (J.

Re: [HCP-Users] DTI on HCP data

2017-08-11 Thread Szabolcs David
Hi Matt, Thanks a lot for the clarification. Best, Szabolcs On Fri, Aug 11, 2017 at 2:32 AM, Glasser, Matthew wrote: > It looks like you have the correct understanding of this. One cannot > easily apply the gradient nonlinearity effects on the diffusion gradients > to the