Elektra Beckum MCE, NM20600A-A manual Contents

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MCE User’s Guide

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Hazard Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 What’s new? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.4 Conventions and typography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.5 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 Analyzing data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 Quitting the program. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Selecting the data file and pre-processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.1 Setting the filtering and baselines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.2 Decreasing the computing time and file sizes. . . . . . . . . . . . . . . . . . . . . . 5 3.3 Bad channels and projections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Selecting the head model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.1 BEM selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.2 Point set selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.3 Creating BEM files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5

Calculating the estimates

11

6

Loading a calculated estimate

12

7

Selecting the time

13

8

Region of interest

14

8.1 What is ROI?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 8.2 What is the orientation of a ROI? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 8.3 Selecting a ROI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 8.4 ROI database. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 8.5 Exporting ROIs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9 Predicting MEG waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

10 Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

10.1 Printing from the dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10.2 Saving to an image file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10.3 Saving with xgifdump command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

11 Creating HTML documents and MPEG movies. . . . . . . . . . . . . . . . . . . . . . . . . 19

11.1 Creating HTML documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

NM20600A-A

2004-05-17

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Contents MCE User’s Guide Copyright and Warranty Contents Index Hazard Information IntroductionReferences VersionWhat’s new? Conventions and typographyGetting Started Analyzing dataQuitting the program Selecting the data file and pre-processing Setting the filtering and baselinesEffect of the baselines Decreasing the computing time and file sizesBad channels and projections MCE User’s Guide BEM selection Selecting the head modelPoint set selection dialog Point set selectionMin dist Creating BEM filesCalculating 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 Creating Html documents and Mpeg moviesCreating movies Window menus MCE windows and dialogsOptions menu Main windowMinimum norm estimate options dialog Pre-processing dialogPre-processing dialog Units Hz Remove mean MEG data dialogSelect file Full calculation dialogCalculation Batch jobs windowColor display of the estimate Color displayArrow display of the estimate Arrow displayAmplitude window with total activity Amplitude windowAmplitude scale window Amplitude scale windowConstant color mode Relative color modeColor scale window Region of interest window Things to rememberROI database ROI database windowROI list ROI searchCurrent ROI Other controlsSQL database Html Creation Dialog Html Creation DialogTime periods Movie Creation DialogWindow length Index MCE User’s Guide