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Questions tagged [eeglab]

EEGLAB is an interactive Matlab toolbox for processing continuous and event-related EEG, MEG and other electrophysiological data incorporating independent component analysis (ICA), time/frequency analysis, artifact rejection, event-related statistics, and several useful modes of visualization of the averaged and single-trial data.

EEGLAB is an interactive Matlab toolbox for processing continuous and event-related EEG, MEG and other electrophysiological data incorporating independent component analysis (ICA), time/frequency analysis, artifact rejection, event-related statistics, and several useful modes of visualization of the averaged and single-trial data.

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readlines() and writelines() with read.delim

I have text files that contain behavioral data from a task. However, the first 18 lines in each file are descriptive information (date, time, ID numbers, etc.) all in a big block of text. The actual column names/data begin on the 19th line. Not an…
Paul
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EEGLAB failing to export .edf files

I am trying to export a .set file to an .edf through EEGLAB but the files aren't saving as .edf files, rather, they're just saving as regular files. Does anyone know another way to export files from eeglab other than through the GUI?
Abbie Mollison
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Code to load file stops working from one minute to the other matlab eeglab

I use this for loop to export my set file to .txt. for i = 1:length(files) filename = files(i).name; EEG = pop_loadset('filename', filename, 'filepath', directory_name); EEG = eeg_checkset( EEG ); EEG =…
Ang
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In MNE-python, why is the power data scale from time-frequency representation (tfr) different from power spectral density (PSD) ？

When I managed my EEG data, the results of mne.time_frequency.tfr_morlet (or the other two methods) were an array of power around 1e-7. When being plotted with dB = 'True', a good graph was got only when the scale of color is around -150 to -200.…
user8663224
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Plot any segment of any raw data matrix, with time at the x-axis and the voltage (the actual data) at the y-axis, using plot command

Dimensions of the EEG matrices indicate number of channels by number of sampling points by number of segments, i.e. in the EEG data holding segments of 10s duration, we have 8 channels, 5121 sampling points and 30 segments. Properties: sample_rate …
Ankush Rahul khanna
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EEG data using Arduino Mega 2560 and RS232 vs Bluetooth

I have to send EEG data from Arduino using RS232 or Bluetooth to PC and save it to a file. I use my own active eelctrodes. I'm totally new in Arduino world and it's hart to find something which makes sense. Could you give me some advices where I…
Leks
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Trimming and filtering signal using MNE - Python

I am working on an EEG Signal analysis problem with python. I need to remove the recordings below 1st minute and above 6th minute of the signal in edf format which is loaded using MNE, and pass it through a bandpass filter. I am not familiar with…
user12397996
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Is there a reason why my file doesn't show any event markers?

I have exported an EDF file from BioTrace (a piece of software used to record EEG signals; EDF), and when I attempt to import it into MatLab's EEgLab, it says that there are no event markers (i.e. Events: none). I'm unfamiliar with MatLab, so I'm…
BossHard
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How to install Butterworth filter in EEGLAB plugin in Matlab?

I see in the tutorials and papers that there is Butterworth high pass filter in EEGLab. However, I don't have it and cannot find it in EEGLAB extensions either. Any ideas how to get it? Thanks!
Postpolinism
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How to read .mat files in EEGLab?

I am trying to read SEED Dataset in EEGLAB. The files are in .mat format. I am getting the error as --- EEGLAB error in function pop_loadeeg() at line124.Output argument "accept" and maybe others not assigned during call to…
rajesh bhambare
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Reading EDF header

I have 100+ EEG EDF files. I want to extract the start time and date along with the recording duration into a data frame. Is there any easy way to extract this data? Preferabely in R or Matlab. I have succesfully extracted the data using:…
JNiels
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how to make event marker for Emotiv EPOC (portable EEG)?

I am thinking to measure ERP from Emotiv EPOC (EEG), but in analysis, data should be divided based on timing of onset and offset of stimulus. So, during recording, timing of event, such as onset or offset, needs to be marked. Emotiv PRO offers…
関澤太樹
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Extracting different frequency bands (alpha, beta, gamma) from brain activity data

I am new to signal processing and despite googling about my question, I still couldn't find the solution. Here is what I am struggling with: I have an Electrocorticography (ECoG) dataset. This consists of recording brain activity from many channels.…
Kadaj13
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Unable to plot under Channel Data (Scrolling) while running eeglabv4.5 on matlab

I am new to eeg analysis and so the following the tutorial 'Swartz Center for COmputational Neuroscience'. I am running eeglabv4.5 on matlab (trail version). After loading the dataset it says to select the top Plot menu item, Plot > Channel data…
Dhvani Shah
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Loading .bdf files in EEGLAB

A .bdf file is not loading properly into EEGLAB. I have trying to recreate the procedures of an EEGLAB experiment. Here, .bdf files were imported using the BIOSIG interface producing a result like so: However, when I upload these files using this…
B C
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