MEG data dialog, Remove mean | Elektra Beckum NM20600A-A, MCE

MCE windows and dialogs

MCE User’s Guide

12.4 MEG data dialog

The MEG data dialog is opened with the [Show all] button of the Pre-processing dialog (p. 23). It shows waveforms of all the channels overlaid based location. Left-clicking zooms in the image, right-clicking shows the maximum amplitude and channel in the selected time and location. The commands in the [Options] menu (p. 26) can be used to set the scale and layout.

Table 5 Commands in the Options menu of the MEG data dialog

[Channels]	Opens Meg channels window for selecting the shown
	channels and scaling

[Selections]	Opens Channel selection window for selecting pre-
	deﬁned layouts

[Groups]	Opens Channel group window for selecting grouping of
	channels in the layout

[Remove mean]	Removes the mean value of the waveforms

26

2004-05-17

NM20600A-A

Image 30

Elektra Beckum NM20600A-A, MCE manual MEG data dialog, Remove mean

Contents

MCE User’s Guide Copyright and Warranty Contents Index Introduction Hazard Information Conventions and typography VersionWhat’s new? References Getting Started Analyzing dataQuitting the program Setting the ﬁltering and baselines Selecting the data ﬁle and pre-processing Decreasing the computing time and ﬁle sizes Effect of the baselines Bad channels and projections MCE User’s Guide Selecting the head model BEM selection Point set selection Point set selection dialog Creating BEM ﬁles Min dist Calculating the estimates Loading a calculated estimate Selecting the time What is ROI? What is the orientation of a ROI?Region of interest Selecting a ROI ROI databaseExporting ROIs Predicting MEG waveforms Printing Printing from the dialogSaving to an image ﬁle Saving with xgifdump command Creating Html documents and Mpeg movies Creating Html documents Creating movies MCE windows and dialogs Window menus Main window Options menu Pre-processing dialog Minimum norm estimate options dialog Pre-processing dialog Units Hz MEG data dialog Remove mean Full calculation dialog Select ﬁle Batch jobs window Calculation Color display Color display of the estimate Arrow display Arrow display of the estimate Amplitude window Amplitude window with total activity Amplitude scale window Amplitude scale window Constant color mode Relative color modeColor scale window Things to remember Region of interest window ROI database window ROI database ROI search ROI list Current ROI Other controlsSQL database Html Creation Dialog Html Creation Dialog Movie Creation Dialog Time periods Window length Index MCE User’s Guide