Elekta Neuromag® Data analysis software 3.4

Technical specifications

Elekta Neuromag® Data analysis software (SW23408N) is a �om��om�prehensive suite of appli�ations for analysis of evoked responses and spontaneous re�ordings:

Fully�programmable signal ■

pro�essorPowerful sour�e estimator ■

with single�dipole and multi�dipole modelsLightweight viewer for bioele�� ■

tromagneti� signalsIntegration with magneti� ■

resonan�e imagingSegmentation and generation ■

of �ondu�tor modelsReport generation ■

Compatible with Linux and ■

HP�UX 11i operating systems

Signal processorA sophisti�ated programmable signal pro�essor for analysis of �ontinuous and averaged data:

Review and analysis of �on� ■

tinuous and averaged bioele��tromagneti� dataStrip �hart display ■

Export of results for sour�e ■

modelingBand�pass filter ■

Baseline �orre�t ■

Fast�Fourier transform (FFT) ■

and power spe�trum estimateCross�spe�trum estimate ■

Addition, subtra�tion, multi� ■

pli�ation, and division between datasetsLinear transformation ■

Averaging ■

Prin�ipal��omponent analysis ■

(PCA)Signal spa�e proje�tion (SSP) ■

Template mat�hing ■

Downsampling ■

Automated artifa�t reje�tion ■

Ve�tor length, square sum, ■

RMS, largest/smallest element, per�entilesPreview of a�tive �ompensa� ■

tion dataUser��onfigurable display of ■

�hannel labels, s�ales, span of dataUser��onfigurable display of ■

verti�al ti�k marksPrinting to a PostS�ript printer ■

Exportation to a PostS�ript/ ■

En�apsulated PostS�ript fileDrag & drop �opying of re� ■

sults to report

PlotterA lightweight viewer for averaged data:

Review of magneti� evoked� ■

response dataReview of evoked potential data ■

Automated baseline �orre�tion ■

Band�pass filter ■

Not�h filter ■

Configurable display layouts ■

Overlay of multiple data sets ■

Automati� and manual s�aling ■

of the visualized waveforms

User��onfigurable visualization ■

(line �olor, type, visibility)Cal�ulation of standard devia� ■

tion for sele�ted �hannelsCal�ulation of slopes and time ■

integralsAddition, subtra�tion, multi� ■

pli�ation, and division between datasetsExponentiation to a user� ■

defined powerShifting by a user�defined time ■

Printing to a PostS�ript printer ■

Exportation to a PostS�ript/ ■

En�apsulated PostS�ript fileDrag & drop �opying of re� ■

sults to reportCommand line s�ripting inter� ■

fa�e

Source modelingA powerful sour�e modeler with single�dipole and multi�dipole sour�e estimates:

Baseline subtra�tion ■

Band�pass filter ■

Not�h filter ■

Importation of spheri�ally ■

symmetri� and boundary ele�ment �ondu�tor model

Single moving�dipole mod� ■

elling a�ross all or sele�ted magneti� �hannelsTime�varying multidipole ■

modelling a�ross all or sele�ted magneti� �hannelsOptional fixation of dipole ■

lo�ations for fitting3D visualization and anima� ■

tion of field maps and dipole lo�ationsForward modeling of EEG sig� ■

nals using either spheri�al or a user�defined boundary element �ondu�tor model (BEM)Prin�ipal �omponent analysis ■

(PCA) of signalsCal�ulation of noise �ovarian�e ■

Cal�ulation of a �onfiden�e ■

volumeLinear spatial filtering using ■

signal spa�e proje�tionSimulation multiple time� ■

varying dipole sour�es with user�adjustable noiseBat�h pro�essing through �om� ■

mand line s�riptingPrinting to a PostS�ript printer ■

Exportation to a PostS�ript/ ■

En�apsulated PostS�ript fileDrag & drop �opying of re� ■

sults to report

Drag & drop �opying of di� ■

poles to MRI imagesExportation of dipoles to an ■

ASCII fileUser��onfigurable visualization ■

of patient’s head in field pat�tern displaysGoodness�of�fit filtering of ■

dipoles

MRI integrationComprehensive data analysis suite for evoked responses and spontaneous re�ordings:

Simultaneous visualization of ■

up to three orthogonal re�on�stru�tions of an image seriesFreely sele�table re�onstru�tions ■

Definition of spheri�al �ondu�� ■

tor modelDefinition of boundary ele� ■

ment �ondutor modelImage segmentation ■

User��ofigurable visualiza� ■

tion of dipole markers on 2D re�onstru�tionsUser��onfigurable visualization ■

of dipoles on �orti�al surfa�e re�onstru�tionsImportation of DICOM MRI ■

imagesExportation of DICOM MRI ■

images with dipole markers

Workstation requirementsLinux workstation:

2 GHz Intel Pentium CPU ■

(or equivalent)2 GB RAM ■

50 GB disk spa�e ■

Red Hat Enterprise Linux 5 ■

HP�UX workstation:HP C8000 ■

2 GB RAM ■

50 GB disk ■

www.elekta.com We Care for Life

Corporate head office Worldwide product center Regional sales, marketing and service Elekta AB (publ) Elekta Neuromag Oy North America Europe, South America, JapanStockholm, Sweden Helsinki, Finland Atlanta, GA, USA Africa & the Middle East Kobe, JapanTel +46 8 587 254 00 Tel +358 9 756 2400 Tel +1 770 300 9725 Tel +46 8 587 254 00 Tel +81 78 241 7100Fax +46 8 587 255 00 Fax +358 9 756 24011 Fax +1 770 448 6338 Fax +46 8 587 255 00 Fax +81 78 271 7823info.neuro@elekta.com neuromag@elekta.com info.america@elekta.com info.europe@elekta.com info.japan@elekta.com D

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Analysis workstationArt. no. NM23127N

High�end Linux workstation for data analysis:

HP xw6600 workstation (or ■

similar)Two 2.66 GHz Intel Xeon ■

5430 dual��ore pro�essorsRed Hat Enterprise Linux ■

operating system4 GB RAM ■

250 GB SCSI hard disk ■

CD/DVD+RW writer ■

30” TFT monitor ■

Color printerArt. no. NM23131N

Up to 21 ppm ■

Network interfa�e ■

Automati� two�sided printing ■

Options