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 ASA signal & source analysis package 
 ASA is a highly flexible EEG/ERP and MEG analysis software package with a variety of source reconstruction, signal analysis and MRI processing features. ASA combines functional imaging of EEG/ERP/MEG with visualisation and coregistration of MRI and CT. ASA is a highly interactive and flexible software tool that can be applied to cognitive and clinical neuroscience.

New ASA version, ASA 4.8 is out!
Click here to get a complete overview of the features.
 
 
Signal/source analysis for professionals
ASA gives a realistic impression of your experimental configuration together with topographical mapping of EEG and MEG and the results of your analysis. ASA is being developed for and by people dedicated to brain research. The concept of flexibility and openness covers even most complex analysis demands.

Click here for more information about Signal analysis.
Click here for more information about Source analysis.
Full-screen display of an ASA analysis: The subject's MRI is shown together with the focus of EP activity as estimated with the MUSIC method. The map, EP traces and wavelets show different aspects of the data synchronized in time. 
 
When integration matters
ASA is more than a sophisticated source localisation package. We have done our best to make your work easier - be it in presurgical monitoring of high-density EEG, clinical EP analysis or psychological brain studies. ASA supports all major clinical EEG data formats and all MEG data formats, so that your data can be imported directly and without any intermediate files. ASA provides all functions necessary in clinical EEG/MEG review, such as, for example, review in different pages or montages, automatic paging, independent scaling of EEG/MEG, fast navigation to annotations and other events, and video review. more
Review of event-related potentials. The list with triggers allows an easy navigation. 
 
Connect ASA with your research
ASA comes as an interactive application, but has a professional and extensive COM automation interface under the hood. You can directly connect your MS-Excel spreadsheets with the EEG page currently visible in ASA - and start your own calculations right from there! Likewise, ASA objects can be created and addressed from scripting interfaces such as HTML pages, and of course programming languages like C or C++. ASA offers interaction of data with Matlab using the ASA data importer for EEGLAB. more
This Excel Application shows the global field power as calculated from the currently loaded two averaged conditions.