[Eeglablist] ANT import and elc

[Beth Smith]

While we are on the topic of ANT caps and channel locations in EEGlab, I want to mention my current situation. The .elc file I have from ANT for the standard 32-channel waveguard cap contains the 3d-locations of the channels with 35 positions and 35 labels. But if I adjust the recording montage in ANT, then I believe the import into EEGLab mislabels my channels. I am collecting in ANT and then using EEGlab import function to import the ANT data from their .cnt and .trg files. Next I import locations from the .elc file. But when I plot data, I believe it assigning channel names based on a standard order of channel numbers in the .elc file that does not match the recording montage I have specified in ANT, leading to mislabeling of channel names in EEGLab. Has anyone else experienced this problem that can confirm this? 

Much thanks, Beth

Beth A. Smith, PT, DPT, PhD
Postdoctoral Fellow
OHSU Balance Disorders Lab
________________________________________
From: eeglablist-bounces at sccn.ucsd.edu [eeglablist-bounces at sccn.ucsd.edu] On Behalf Of Haass, Michael Joseph [mjhaass at sandia.gov]
Sent: Monday, February 28, 2011 3:22 PM
To: 'eeglablist'
Subject: Re: [Eeglablist] ANT read_eep_cnt 64 bit version

Thanks for sharing this Balaji, I was just now looking for this same thing!

Does anyone have a channel locations file for ANT's waveguard DUKE 128 cap?

Thanks,
Haass

From: eeglablist-bounces at sccn.ucsd.edu [mailto:eeglablist-bounces at sccn.ucsd.edu] On Behalf Of Lakshmanan, Balaji
Sent: Friday, February 25, 2011 8:55 PM
To: Arnaud Delorme
Cc: eeglablist
Subject: Re: [Eeglablist] ANT read_eep_cnt 64 bit version

Hi Arnau,

They did send me the 64bit compiled version(see attached). It is also available in their website(http://www.ant-neuro.com/download/misc).
I think this works for 32bit version also.. so you can replace the older version with this.

Thanks!
Balaji

________________________________
From: Arnaud Delorme [arno at ucsd.edu]
Sent: Friday, February 25, 2011 9:38 PM
To: Lakshmanan, Balaji
Cc: eeglablist
Subject: Re: [Eeglablist] ANT read_eep_cnt 64 bit version
Dear Balaji,

unfortunately, the plugin was developed by ANT and contains some proprietary code so they would need to recompile their code.
Please let us know if ANT sends you a function and we will update EEGLAB.
If you are a 64-bit ANT user, send them an email at support at ant-neuro.com<mailto:support at ant-neuro.com>. Maybe if they receive several emails, they will do something about it.
Best regards,

A. Delorme

On Feb 24, 2011, at 12:17 PM, Lakshmanan, Balaji wrote:


Hi  EEGLAB users/ANT support,

I'm not able to read *.cnt files from ANT system using EEGLAB.
It was working fine in my 32bit MATLAB but stopped working when I upgraded to 64 bit.
I'm using the most current version of EEGLAB.( eeglab9_0_4_5s).

I guess this might be due to 32bit compiled version of .mex file? Is it possible to get a 64bit compiled version of the mex file for the function read_eep_cnt.m?

Thanks,
Balaji



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