1.8: Finding the Right Routine in EEGLAB and ERPLAB
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The fact that ERPLAB works as an EEGLAB plugin has many advantages. However, it occasionally produces some complications. For example, when you are first learning to use EEGLAB and ERPLAB, you will probably find that you occasionally look in the wrong menu. For example, it’s natural to go to the File menu when you want to load an ERP data file or the Plot menu when you want to plot an ERP waveform. However, all ERP-related routines are in the ERPLAB menu (e.g., ERPLAB > Load Existing ERPset and ERPLAB > Plot > Plot ERP Waveforms ).
To make things even more complicated, we’ve added several routines for processing EEG data to the ERPLAB menu (e.g., ERPLAB > EEG Channel Operations ). We created these routines for several reasons. In some cases, EEGLAB just didn’t have a piece of functionality that we needed. In other cases, we wanted to create improved versions of functionality that was already present in EEGLAB. And in a few cases, the needs of typical ERP analysis required somewhat different versions of existing EEGLAB functions. To keep ERPLAB modular, all of these new or updated EEG functions are accessed from the ERPLAB menu.
To help you find what you’re looking for and use the appropriate routines, Figure 1.1 shows the key menus and indicates which EEGLAB functions should be replaced by ERPLAB functions.