FieldTrip

TAG: faq

requirements

Can I do combined EEG and MEG source reconstruction?

Can I get an offline version of the wiki documentation?

Can I restrict the source reconstruction to the grey matter?

Can I use Octave instead of MATLAB?

Can I use the FieldTrip logo on my poster?

Does a firewall affect the communication between peers?

How are electrodes, magnetometers or gradiometers described?

How are the Left and Right Pre-Auricular (LPA and RPA) points defined?

How are the different head and MRI coordinate systems defined?

How are the various MATLAB data structures defined?

How can I anonymize a CTF dataset?

How can I change the head localization in a CTF dataset?

How can I check the quality of an EEG or MEG recording ?

How can I check whether the grid that I have is aligned to the segmented volume and to the sensor gradiometer?

How can I combine FieldTrip with peer distributed computing?

How can I compile the mex files and command-line executables ?

How can I compile the mex files on 64 bit Windows?

How can I consistently represent artifacts in my data?

How can I convert an anatomical MRI from DICOM into CTF format?

How can I convert one dataformat into an other??

How can I deal with a discontinuous Neuralynx recording

How can I debug a problematic distributed job?

How can I define my own neighbourhood templates or updating an already existing template?

How can I define neighbouring sensors?

How can I determine the anatomical label of a source?

How can I determine the number of threads that MATLAB uses?

How can I extend the reading functions with a new dataformat?

How can I fix a corrupt CTF meg4 file?

How can I fix a corrupt CTF res4 header file?

How can I import my own dataformat?

How can I interpret the different types of padding in FieldTrip?

How can I keep track of the changes to the code?

How can I merge two datasets that were acquired simultaneously with different amplifiers?

How can I monitor a subject's head position during a MEG session?

How can I monitor a subject's head position during a MEG session?

How can I preprocess a dataset that is too large to fit into memory?

How can I prevent a job from executing twice?

How can I process continuous data without triggers?

How can I read EGI mff data without the JVM?

How can I read and write files if I use other people's peers?

How can I read corrupted (unsaved) CTF data?

How can I resolve a svnsync lock?

How can I set up the peer distributed computing on a large Linux cluster?

How can I set up the peer distributed computing on a single multicore computer?

How can I set up the peer distributed computing on a small number of computers?

How can I stop the different threads created by peermaster and peerslave?

How can I use OpenMEEG for forward modeling?

How can I use my MacBook Pro for stimulus presentation in the MEG lab?

How can I use the command-line peerslave and optimize the MATLAB licenses?

How can I use the databrowser?

How can I use the ivar, uvar, wvar and cvar options to precisely control the permutations?

How can I visualize the different geometrical objects that are needed for forward and inverse computations?

How can I visualize the neuromag head position indicator coils?

How do I avoid having to allocate N copies of my data if I want to execute N jobs?

How do I construct a layout file for the plotting functions?

How do I prevent FieldTrip from printing the time and memory after each function call?

How does ft_prepare_neighbours work?

How does the filter padding in preprocessing work?

How does the peer smartshare algorithm work?

How does the smartmem algorithm work?

How fast is the FieldTrip buffer for realtime data streaming?

How is anatomical, functional or statistical "volume data" described?

How is the segmentation defined?

How many lines of code does Fieldtrip consist of?

How many people are subscribed to the email discussion list?

How should I call peercellfun when a function requires many inputs (e.g. key-value pairs)?

How should I refer to FieldTrip in my publication?

How should I share example data with the developers or the email list?

How to change the MRI orientation, the voxel size or the field-of-view?

How to compile MATLAB code into stand-alone executables?

How to coregister an anatomical MRI with the gradiometer or electrode positions?

How to get started with distributed computing using qsub?

How to get started with peer distributed computing at the Donders Centre?

How to get started with peer distributed computing on my own desktop computer?

How to get started with the MATLAB distributed computing toolbox?

How to select the correct spm toolbox?

I am getting strange artifacts in figures that use opacity

I am having problems downloading from the FTP server

I am having problems printing figures that use opacity

I am having problems reading the CTF *.hc headcoordinates file

I am working at the Donders Institute, should I also download FieldTrip?

I have problems reading in neuroscan .cnt files. How can I fix this?

I used to work with trl-matrices that have more than 3 columns. Why is this not supported anymore?

I would like an automatic daily updated version of the code, can I get access to the SVN server?

In what way can frequency domain data represented in FieldTrip?

Is it important to have accurate measurements of electrode locations for EEG source reconstruction?

Is it possible to keep track of trial-specific information in my fieldtrip analysis pipeline?

Matlab complains about a missing or invalid MEX file, what should I do?

Matlab version 7.3 (2006b) crashes when I try to do ...

My MRI is upside down, is this a problem?

Overview of all Frequently Asked Questions

Reading is slow, can I write my raw data to a more efficient file format?

Should I add FieldTrip with all subdirectories to my Matlab path?

What are the differences between the old and the new implementation of 'mtmconvol' in ft_freqanalyis?

What are the differences between the old and the new implementation of 'mtmftt' in ft_freqanalyis?

What are the differences between the old and the new implementation of 'wavelet' (formerly 'wltconvol') in ft_freqanalyis?

What are the different Neuromag and Yokogawa layouts good for?

What are the different approaches I can take for distributed computing?

What convention is used to define absolute phase in 'mtmconvol', 'wavelet' and 'mtmfft'?

What does a typical call to a FieldTrip function look like?

What happens if a job fails to execute properly?

What happens with a job that has an error on the slave?

What is the conductivity of the brain, CSF, skull and skin tissue?

What is the difference between coherence and coherency?

What is the format of the layout file which is used for plotting?

What is the idea behind statistical inference at the second-level?

What is the plotting convention for anatomical MRIs?

What is the relation between "events" (such as triggers) and "trials"?

What kind of cable do I need for a serial port connection between two computers

What kind of dataformats can I read in?

What kind of filters can I apply to my data?

What kind of volume conduction models of the head (head models) are implemented?

Where can I find the dipoli command-line executable?

Which external toolboxes are used by FieldTrip?

Which version of FieldTrip should I download from the ftp server?

Why am I not allowed to post to the discussion list?

Why am I not receiving emails from the discussion list?

Why are so many of the interesting functions in the private directories?

Why are the fileio functions stateless, does the fseek not make them very slow?

Why are the peers using multicast to announce themselves?

Why does my ICA output contain complex numbers?

Why does my TFR contain NaNs?

Why does my TFR look strange (part I, demeaning)?

Why does my TFR look strange (part II, detrending)?

Why does my anatomical MRI show upside-down when plotting it with ft_sourceplot?

Why does my output.freq not match my cfg.foi when using 'mtmconvol' in ft_freqanalyis?

Why does my output.freq not match my cfg.foi when using 'wavelet' (formerly 'wltconvol') in ft_freqanalyis?

Why does peercellfun resubmit jobs that take too long to get started?

Why is FieldTrip developed separately from EEGLAB?

Why is my message rejected from the email discussion list?

Why is there a residual 50Hz line-noise component after applying a DFT filter?

Why is there a rim around the brain for which the source reconstruction is not computed?

Why should I use the cfg.correcttail option when using statistics_montecarlo?

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