Hi, I have checked on it: the 64 channel headcoil by Siemens is almost of the same size as their 32 channel head only coil. You can more essily put in EEG cables though, for example.
Cheers, Andreas Am 14.11.2014 um 23:55 schrieb Andreas Bartsch <[email protected]>: > Hi, > >> find the 64-channel is a really tight fit for many subjects, so we?re >> inclined to use a 32-channel to fit the most subjects. > > You are not talking about the Siemens 64-channel head/neck coil, are you? > I would be surprised because I think it is actually less tight than the 32 > channel headcoil. > Having said that, I would do a formal SNR and coil quality check and pick > the coil which gives you the better signal in the areas you are most > interested in (and that fits most subjects;). > > > Cheers, > Andreas > > > Am 14.11.14 19:00 schrieb "[email protected]" unter > <[email protected]>: > >> Send HCP-Users mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> http://lists.humanconnectome.org/mailman/listinfo/hcp-users >> or, via email, send a message with subject or body 'help' to >> [email protected] >> >> You can reach the person managing the list at >> [email protected] >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of HCP-Users digest..." >> >> >> Today's Topics: >> >> 1. mb sequence options (Mark A. Pinsk) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Thu, 13 Nov 2014 15:24:35 -0500 >> From: "Mark A. Pinsk" <[email protected]> >> Subject: [HCP-Users] mb sequence options >> To: [email protected] >> Message-ID: >> <caddgxgq4vcwt5rcau4aypkaoqpdhqzgqfs3iuegdvn-i3wb...@mail.gmail.com> >> Content-Type: text/plain; charset="utf-8" >> >> Hi all, >> >> We're trying to decide which mb sequences to use at our new Prisma, and >> are >> looking for advice. >> >> Our options currently are: >> a- HCP mb bold and diffusion sequences via C2P >> b- MGH mb bold sequence (http://www.nmr.mgh.harvard.edu/software/c2p/sms) >> via C2P >> c- Siemens WIP mb diffusion sequence >> >> Would there be any reasons to choose the HCP mb sequences over the other >> mb >> sequences? >> >> We noticed that the HCP sequences have an MB factor that the user can set, >> but the MGH and Siemens sequences also have an additional "shift" >> parameter. Why is that ? Do the HCP sequences automatically choose the >> optimal shift? >> >> Also, given the choice of a 20, 32, and 64 channel coil on our Prisma, >> does >> anyone have a particular recommendation? We do find the 64-channel is a >> really tight fit for many subjects, so we?re inclined to use a 32-channel >> to fit the most subjects. Will mb perform better with the 64-ch coil? >> >> Thanks (apologies if this is the wrong forum to ask such questions), >> Mark >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> http://lists.humanconnectome.org/pipermail/hcp-users/attachments/20141113/ >> e888b44f/attachment-0001.html >> >> ------------------------------ >> >> _______________________________________________ >> HCP-Users mailing list >> [email protected] >> http://lists.humanconnectome.org/mailman/listinfo/hcp-users >> >> >> End of HCP-Users Digest, Vol 24, Issue 13 >> ***************************************** > _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
