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Welcome to the BESA Wiki!

This wiki is designed to help users with typical questions around using BESA to achieve their goals.

Topics are available for the following categories:


BESA Research Manual


Video tutorials



License session not freed (BESA MRI 64 bit version)

File Formats

ASCII File Format
Channel Definition File Formats
Event File Format
MEG Sensor Coordinate Files
Supported Data Formats
Paradigm File Format in BESA
Importing Electrode Locations in Combined EEG/MEG Measurements with the Neuromag System
BESA files extensions
Talairach Transformation File
Reading BioSemi data with BESA
Using Net Station Data with BESA

Data Review and Analysis

Importing Digitized Coordinates
Verify Electrode Coordinates
Export Single Trial Data
How to Average EEG channels
Averaging Across EEG Datasets from Different Recording Systems
Time Frequency Resolution In BESA
Change Waveform Colours
Best Strategy to Define a Multiple Source Model
Export Dipole Moments of Fitted Sources
Recommended Electrode Configurations
Exporting Artifact-Corrected Data
Create Triggers for Artifact-Rejected Epochs
Inserting Triggers Relative to Existing Events
Change or Exclude Erroneous Head Surface Point Locations
Exporting Top Viewer Waveforms into other Graphics Software for Further Processing
Seed dipole solutions from cortical images
Pipeline for simultaneous EEG-fMRI recording
The source space in individual FEM head models
Export each gradiometer and magnetometer data separately
Peak Finder explained
Using BESA to correct blink and EKG artifacts in MEG data
Filtering scope
Enabling auto orientation for 3D topographic maps

MATLAB interface

How Do I Configure the Matlab Interface?
Updating the Matlab Interface after Matlab Upgrade
Exporting Data from Matlab to BESA Statistics
Visualization with BESA Plot in FieldTrip


Marking AC-PC Points in BESA MRI

BESA Statistics

Cluster Alpha vs. Neighbor Distance
How to Prepare Data for BESA Statistics
Importing BESA Statistics Results into Excel
Exporting Data from Matlab to BESA Statistics

BESA Connectivity

How to Prepare Data for BESA Connectivity
Export Connectivity Results
How to Convert BESA Connectivity results for BESA Statistics

Operating systems

Running BESA Research on the Mac


The internal error MF_211 (BESA MRI, BESA Statistics and BESA Connectivity)
3D Graphics Display Issue Handling
Batch Error Handling
Error message: Failed to load library during software installation
License session not freed in BESA MRI 64 bit version
Install And Update File Format Readers
Wrong characters in BESA software
Blank white screen when capturing the 3D window of the source analysis window
Error opening program or opening the file dialog box

BESA Recipes

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Coming soon

  • a collection of useful batches
  • and further content we will be publishing on this wiki

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