[FieldTrip] CTF MEG current phantom

McGowin, Inna mcgoiv0 at wfu.edu
Tue Jan 29 01:28:07 CET 2013

Thanks, I will try that. It seems like the plastic material of the phantom
is contaminated with some magnetic impurities...


On Mon, Jan 28, 2013 at 2:44 PM, Tom Holroyd (NIH/NIMH) [E] <
tomh at kurage.nimh.nih.gov> wrote:

> With no fluid I would hazard a guess that you are seeing building
> vibration. Try just putting a stiff wire under the helmet and see what kind
> of vibration you get.
> McGowin, Inna wrote:
>> Yes,
>> I run all kind of scans: noise test (good), disconnected phantom (noisy),
>> phantom with dipole removed (noisy), phantom with saline solution removed
>> (noisy); dipole alone (good), saline alone (good).
> --
> The white knight is talking backwards.
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Inna McGowin
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