[FieldTrip] The compartment nesting cannot be determined

Cristiano Micheli michelic72 at gmail.com
Mon Jan 25 19:41:53 CET 2016


Hi Saeed,
could you be more specific by attaching the nesting matrix?

You find it by typing:
dbstop if error
in the matlab workspace.

and then by running your script again. The script will stop at the line
where it fails and at that point you will be able to look inside the local
variables of the subfunction that is returning the error (in your case it
is the private function surface_nesting.m).
Please copy the content of the variables
 *nesting*
and
* numboundaries*
in the next email.

At that point I will have enough information to help you. I don't think the
normals are a problem here.

Best regards,
Cris


On Mon, Jan 25, 2016 at 6:08 PM, saeed zahran <saeedzahran at hotmail.com>
wrote:

> Thank you Cris, but I am sure that the meshes is nested,
> does it require to calculate the normal for each vertices?
>
> Best regards
> Saeed.
>
>
> > From: fieldtrip-request at science.ru.nl
> > Subject: fieldtrip Digest, Vol 62, Issue 24
> > To: fieldtrip at science.ru.nl
> > Date: Mon, 25 Jan 2016 12:00:02 +0100
> >
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> > 1. cross-frequency coupling between MEG planar channel twins?
> > (Fr?d?ric Roux)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 25 Jan 2016 11:55:27 +0100 (CET)
> > From: Fr?d?ric Roux <f.roux at bcbl.eu>
> > To: FieldTrip discussion list <fieldtrip at science.ru.nl>
> > Subject: [FieldTrip] cross-frequency coupling between MEG planar
> > channel twins?
> > Message-ID: <1957967079.822957.1453719327381.JavaMail.zimbra at bcbl.eu>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Dear all,
> >
> > in my MEG-data (Elekta Vectorview System) I am observing that the
> amplitude of higher frequencies over one planar gradient channel is coupled
> to the
> > phase of lower frequencies on its corresponding twin-channel . I am
> attaching a figure to illustrate this. The upper row shows a low-frequency
> oscillation for one planar-channel and the bottom row shows the amplitude
> of a higher-frequency oscillation on its corresponding twin channel. Note
> that this separation is fairly consistent across other channels as well.
> >
> > My question relates to what could explain such a coupling of low and
> high freq activity over channel-pairs with different gradient orientations
> (ie vertical vs. horizontal)?
> >
> > Could this be an indicator of two separate sources which are being
> picked up by the different spatial sensitivity of the planar gradients and
> where the phase of one source modulates the amplitude of the other source?
> >
> > Any comments or suggestions on this would be highly appreciated.
> >
> > Fred
> >
> >
> >
> >
> >
> >
> >
> > --
> > Fr?d?ric Roux
> > Postdoctoral Scientist, Marie-Curie fellow
> > BCBL. Basque Center on Cognition, Brain & Language.
> >
> > f.roux at bcbl.eu
> > Tel: +34 943 309 300 Ext 211
> > Fax: +34 943 309 052
> >
> > Legal disclaimer/Aviso legal/Lege-oharra: www.bcbl.eu/legal-disclaimer
> >
> ---------------------------------------------------------------------------
> >
> > ?The probability of success is difficult to estimate; but if we never
> search the chance of success is zero.?
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