Hi Matt, I'm not sure what you mean by a simple effect size map. The file overlaid on the surfaces here is a file showing the difference between control and patient groups, after correction for multiple comparisons. Do I use that to make an effect size map, or something else? Best, Darko
On Mon, Aug 6, 2018 at 9:03 PM, Glasser, Matthew <[email protected]> wrote: > Can you just make a simple effect size map with + and – and no > thresholding? > > Matt. > > From: Darko Komnenić <[email protected]> > Date: Monday, August 6, 2018 at 12:09 PM > > To: Matt Glasser <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [HCP-Users] Finding a significant difference only in one > hemisphere > > Hi Matt, > here's a screenshot of an unthresholded map. > Thanks in advance! > Best, > Darko > > On Fri, Aug 3, 2018 at 10:12 PM, Glasser, Matthew <[email protected]> > wrote: > >> Thresholded maps of statistical significance are essentially >> uninterpretable as to the existence of artifacts. Please provide an >> unthresholded effect size map. >> >> Peace, >> >> Matt. >> >> From: Darko Komnenić <[email protected]> >> Date: Friday, August 3, 2018 at 12:12 PM >> To: Matt Glasser <[email protected]> >> Cc: "[email protected]" <[email protected]> >> Subject: Re: [HCP-Users] Finding a significant difference only in one >> hemisphere >> >> Hi Matt, >> here's a screenshot >> Thanks in advance! >> Best, >> Darko >> >> On Thu, Aug 2, 2018 at 10:01 PM, Glasser, Matthew <[email protected]> >> wrote: >> >>> How about posting some pics. >>> >>> Matt. >>> >>> From: <[email protected]> on behalf of Darko >>> Komnenić <[email protected]> >>> Date: Thursday, August 2, 2018 at 9:16 AM >>> To: "[email protected]" <[email protected]> >>> Subject: [HCP-Users] Finding a significant difference only in one >>> hemisphere >>> >>> Dear HCP experts, >>> I ran an analysis comparing cortical myelination between patients and >>> controls and found a significant difference between groups, but only in the >>> left hemisphere. What's making me doubt my results is that the differences >>> are observed in large areas of the left hemisphere, but absolutely nowhere >>> in the right, and we have no theoretical reasons to expect such a >>> lateralization. >>> Do you have any ideas what might have gone wrong? I have 17 patients and >>> 25 controls, is this maybe too small of a sample? Should I double check >>> certain analysis steps? Basically any ideas are welcome, since I really >>> cannot interpret these findings at all, it seems. >>> Thanks in advance! >>> Best, >>> Darko >>> >>> _______________________________________________ >>> HCP-Users mailing list >>> [email protected] >>> http://lists.humanconnectome.org/mailman/listinfo/hcp-users >>> >>> >>> ------------------------------ >>> >>> The materials in this message are private and may contain Protected >>> Healthcare Information or other information of a sensitive nature. If you >>> are not the intended recipient, be advised that any unauthorized use, >>> disclosure, copying or the taking of any action in reliance on the contents >>> of this information is strictly prohibited. If you have received this email >>> in error, please immediately notify the sender via telephone or return mail. >>> >> >> >> ------------------------------ >> >> The materials in this message are private and may contain Protected >> Healthcare Information or other information of a sensitive nature. If you >> are not the intended recipient, be advised that any unauthorized use, >> disclosure, copying or the taking of any action in reliance on the contents >> of this information is strictly prohibited. If you have received this email >> in error, please immediately notify the sender via telephone or return mail. >> > > > ------------------------------ > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you > are not the intended recipient, be advised that any unauthorized use, > disclosure, copying or the taking of any action in reliance on the contents > of this information is strictly prohibited. If you have received this email > in error, please immediately notify the sender via telephone or return mail. > _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
