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

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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

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NM20600A-A

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Contents MCE User’s Guide Copyright and Warranty Contents Index Introduction Hazard InformationConventions and typography VersionWhat’s new? ReferencesGetting Started Analyzing dataQuitting the program Setting the ﬁltering and baselines Selecting the data ﬁle and pre-processingDecreasing the computing time and ﬁle sizes Effect of the baselinesBad channels and projections MCE User’s Guide Selecting the head model BEM selectionPoint set selection Point set selection dialogCreating BEM ﬁles Min distCalculating 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 documentsCreating movies MCE windows and dialogs Window menusMain window Options menuPre-processing dialog Minimum norm estimate options dialogPre-processing dialog Units Hz MEG data dialog Remove meanFull calculation dialog Select ﬁleBatch jobs window CalculationColor display Color display of the estimateArrow display Arrow display of the estimateAmplitude window Amplitude window with total activityAmplitude scale window Amplitude scale windowConstant color mode Relative color modeColor scale window Things to remember Region of interest windowROI database window ROI databaseROI search ROI listCurrent ROI Other controlsSQL database Html Creation Dialog Html Creation DialogMovie Creation Dialog Time periodsWindow length Index MCE User’s Guide