Pages tagged with "faq"
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Are the FieldTrip lectures available on video?
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Can I compare EEG channels between different electrode caps?
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Can I do combined EEG and MEG source reconstruction?
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Can I get an offline version of the documentation on the website?
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Can I prevent "external" toolboxes from being added to my MATLAB path?
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Can I restrict the source reconstruction to the grey matter?
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Can I use FieldTrip without MATLAB license?
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Can I use Octave instead of MATLAB?
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Can I use the FieldTrip logo on my poster?
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Does a firewall affect the communication between peers?
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Does it make sense to subtract the ERP prior to time frequency analysis, to distinguish evoked from induced power?
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Does the FieldTrip realtime buffer only work with MATLAB?
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Frequently Asked Questions
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How are electrodes, magnetometers or gradiometers described?
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How are the different head and MRI coordinate systems defined?
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How are the Left and Right Pre-Auricular (LPA and RPA) points defined?
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How are the various MATLAB data structures defined?
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How can I anonymize data processed in FieldTrip?
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How can I anonymize or deidentify a BrainVision dataset?
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How can I anonymize or deidentify a CTF dataset?
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How can I anonymize or deidentify an anatomical MRI?
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How can I anonymize or deidentify DICOM files?
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How can I change the head localization in a CTF dataset?
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How can I check or decipher the sequence of triggers in my data?
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How can I check the quality of an EEG or MEG recording ?
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How can I check whether the grid that I have is aligned to the segmented volume and to the sensor gradiometer?
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How can I combine FieldTrip with peer distributed computing?
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How can I compile the mex files and command-line executable?
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How can I compile the mex files on 64-bit Windows?
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How can I compile the mex files on macOS?
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How can I compute inter-trial coherence?
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How can I consistently represent artifacts in my data?
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How can I convert an anatomical MRI from DICOM into CTF format?
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How can I convert one dataformat into an other?
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How can I deal with a discontinuous Neuralynx recording?
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How can I debug a problematic distributed job?
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How can I debug my analysis script if a FieldTrip function gives an error?
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How can I define neighbouring sensors?
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How can I determine the anatomical label of a source or electrode?
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How can I determine the number of threads that MATLAB uses?
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How can I determine the onset of an effect?
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How can I do time-frequency analysis on continuous data?
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How can I extend the reading functions with a new dataformat?
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How can I find out what eventvalues and eventtypes there are in my data?
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How can I fine-tune my BEM volume conduction model?
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How can I fix a corrupt CTF meg4 file?
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How can I fix a corrupt CTF res4 header file?
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How can I import my own data format?
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How can I inspect the electrode impedances of my data?
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How can I interpret the different types of padding in FieldTrip?
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How can I keep track of changes to the code?
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How can I merge two datasets that were acquired simultaneously with different amplifiers?
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How can I monitor a subject's head position during a MEG session?
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How can I play back EEG/MEG and synchronous audio or video?
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How can I preprocess a dataset that is too large to fit into memory?
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How can I prevent a job from executing twice?
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How can I process continuous data without triggers?
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How can I read all channels from an EDF file that contains multiple sampling rates?
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How can I read and write files if I use other people's peers?
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How can I read corrupted (unsaved) CTF data?
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How can I read EGI mff data without the JVM?
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How can I set up the peer distributed computing on a large Linux cluster?
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How can I set up the peer distributed computing on a single multicore computer?
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How can I set up the peer distributed computing on a small number of computers?
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How can I share my MEG data?
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How can I stop the different threads created by peercontroller and peerworker?
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How can I test for correlations between neuronal data and quantitative stimulus and behavioral variables?
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How can I test whether a behavioral measure is phasic?
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How can I transform trigger values from bits to decimal representation with a trialfun?
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How can I use my MacBook Pro for stimulus presentation in the MEG lab?
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How can I use the command-line peerworker and optimize the MATLAB licenses?
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How can I use the databrowser?
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How can I use the ivar, uvar, wvar and cvar options to precisely control the permutations?
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How can I visualize a localspheres volume conductor model?
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How can I visualize the different geometrical objects that are needed for forward and inverse computations?
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How can I visualize the neuromag head position indicator coils?
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How do homogenous coordinate transformation matrices work?
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How do I avoid having to allocate N copies of my data if I want to execute N jobs?
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How do I construct a layout file for the plotting functions?
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How do I install the OpenMEEG binaries
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How do I prevent FieldTrip from printing the time and memory after each function call?
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How does a difference in trial numbers per condition affect my statistical test
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How does MTMCONVOL work?
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How does the CTF higher-order gradiometer work?
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How does the filter padding in preprocessing work?
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How does the peer smartshare algorithm work?
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How does the smartmem algorithm work?
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How fast is the FieldTrip buffer for realtime data streaming?
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How is anatomical, functional or statistical "volume data" described?
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How is the segmentation defined?
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How many lines of code does FieldTrip consist of?
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How many people are subscribed to the email discussion list?
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How NOT to interpret results from a cluster-based permutation test
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How should I call peercellfun when a function requires many inputs (e.g. key-value pairs)?
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How should I get started with the FieldTrip realtime buffer?
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How should I prepare for the upcoming FieldTrip workshop?
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How should I refer to FieldTrip in my publication?
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How should I report the positions of the fiducial points on the head?
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How should I share example data with the email list or developers?
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How should I specify the coordinate systems in a BIDS dataset?
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How should I specify the fiducials for electrode realignment?
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How to ask good questions to the community?
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How to change the MRI orientation, the voxel size or the field-of-view?
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How to compile MATLAB code into stand-alone executables?
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How to coregister an anatomical MRI with the gradiometer or electrode positions?
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How to get started with distributed computing using engine?
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How to get started with distributed computing using qsub?
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How to get started with peer distributed computing on my own desktop computer?
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How to get started with the MATLAB distributed computing toolbox?
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How to select the correct SPM toolbox?
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How to test an interaction effect using cluster-based permutation tests?
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I am getting strange artifacts in figures that use opacity
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I am having problems downloading from the FTP server
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I am having problems printing figures that use opacity
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I am having problems reading the CTF .hc headcoordinates file
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I am working at the Donders, should I also download FieldTrip?
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I have problems reading in neuroscan .cnt files. How can I fix this?
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I used ICA on my MEG data from before 2012 and now FieldTrip crashes, why is that?
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I used to work with trl-matrices that have more than 3 columns. Why is this not supported anymore?
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In what way can frequency domain data be represented in FieldTrip?
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Is it good or bad to have dipole locations outside of the brain for which the source reconstruction is computed?
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Is it important to have accurate measurements of electrode locations for EEG source reconstruction?
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Is it OK for vertices/dipoles to stick out of the volume conductor?
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Is it possible to keep track of trial-specific information in my analysis pipeline?
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MATLAB complains about a missing or invalid mex file, what should I do?
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MATLAB complains that mexmaci64 cannot be opened because the developer cannot be verified
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MATLAB version 7.3 (2006b) crashes when I try to do ...
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My MRI is upside down, is this a problem?
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Reading is slow, can I write my raw data to a more efficient file format?
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Replacements for functions from MathWorks toolboxes
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Should I add FieldTrip with all subdirectories to my MATLAB path?
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Should I use a Polhemus or a Structure Sensor to record electrode positions?
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The databrowser crashes and destroys the whole MATLAB session, how can I resolve this?
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What are the differences between the old and the new implementation of 'mtmconvol' in ft_freqanalyis?
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What are the differences between the old and the new implementation of 'mtmftt' in ft_freqanalyis?
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What are the differences between the old and the new implementation of 'wavelet' (formerly 'wltconvol') in ft_freqanalyis?
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What are the different approaches I can take for distributed computing?
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What are the different Neuromag/Elekta/Megin and Yokogawa layouts good for?
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What are the MATLAB and external requirements?
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What are the MATLAB requirements for using FieldTrip?
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What are the units of the data and of the derived results?
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What convention is used to define absolute phase in 'mtmconvol', 'wavelet' and 'mtmfft'?
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What dataformats are supported?
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What does "padding not sufficient for requested frequency resolution" mean?
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What does a typical call to a FieldTrip function look like?
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What happens if a peer distributed job fails to execute properly?
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What happens with a peer distributed job that has an error on the worker?
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What is the conductivity of the brain, CSF, skull and skin tissue?
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What is the difference between coherence and coherency?
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What is the difference between the ACPC, MNI, SPM and TAL coordinate systems?
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What is the format of the layout file which is used for plotting?
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What is the idea behind statistical inference at the second-level?
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What is the plotting convention for anatomical MRIs?
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What is the relation between "events" (such as triggers) and "trials"?
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What kind of cable do I need for a serial port connection between two computers?
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What kind of filters can I apply to my data?
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What kind of volume conduction models of the head (head models) are implemented?
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Where can I find open access MEG/EEG data?
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Where can I find the dipoli command-line executable?
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Where is the anterior commissure?
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Which datasets are used in the documentation and where are they used?
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Which external toolboxes are used by FieldTrip?
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Which version of FieldTrip should I download from the FTP server?
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Why am I not allowed to post to the discussion list?
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Why am I not getting integer frequencies?
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Why am I not receiving emails from the discussion list?
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Why am I receiving warnings about too many bouncing emails?
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Why are so many of the interesting functions in the private directories?
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Why are the fileio functions stateless, does the fseek not make them very slow?
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Why are the peers using multicast to announce themselves?
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Why are there multiple neighbour templates for the Neuromag306 system?
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Why does my anatomical MRI show upside-down when plotting it with ft_sourceplot?
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Why does my ICA output contain complex numbers?
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Why does my output.freq not match my cfg.foi when using 'mtmconvol' in ft_freqanalyis?
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Why does my output.freq not match my cfg.foi when using 'mtmfft' in ft_freqanalyis
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Why does my output.freq not match my cfg.foi when using 'wavelet' (formerly 'wltconvol') in ft_freqanalyis?
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Why does my TFR contain NaNs?
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Why does my TFR look strange (part I, demeaning)?
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Why does my TFR look strange (part II, detrending)?
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Why does peercellfun resubmit jobs that take too long to get started?
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Why is FieldTrip developed separately from EEGLAB?
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Why is my message rejected from the email discussion list?
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Why is the source model deformed or incorrectly aligned after warping template?
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Why is there a residual 50Hz line-noise component after applying a DFT filter?
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Why is there a rim around the brain for which the source reconstruction is not computed?
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Why should I use an average reference for EEG source reconstruction?
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Why should I use the cfg.correcttail option when using statistics_montecarlo?
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Why was FieldTrip maintained in SVN and not in Git?
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