Samstag, 1. August 2015

Tel.: +49 (0) 37297 - 825 - 0

Sinter Brückenelektrode 17,40€
EEG Kabel 8,30 €
EEG Haube 25,47
ten20 groß 12,46 €

Man kann bei den meisten Neurofeedbackgeräten Standardeeg Kabel verwenden. Auch beim Procomp.

Es lohnt sich der Preisvergleich.

GVB-geliMED KG
Ginsterweg 4a
23795 Bad Segeberg
Tel. 0 45 51 - 95 67 30
Fax: 0 45 51 - 95 67 33

Nerurofeedbackzubehör

Medizinelektronik Eissner Online-Shop

Medizinelektronik Rainer Eißner
Goethestraße 9
35582 Wetzlar

Inhaber: Rainer Eißner

Telefon: 0641 - 2099310
Telefax: 0641 - 2099312
eMail: info@medizinelektronik-eissner.de
Internet: www.medizinelektronik-eissner.de

Umsatzsteuer-ID: DE 159192056

Skill
Neurorep
BRC Database
HBI Database

sind weitere Datenbanken.

Braucht man das?

Nicht, wenn man anfängt, aber mit der Zeit drängen sich einem immer neue Themen auf.
Ein Neuroguidetrainingsmodul habe ich eben gekauft: Kostenpunkt 3500 €. Die Z Score Lizenz hatte ich aber schon und das 20 Kanal Gerät auch.

Zurück zu den Anfängen.

Was braucht man?
Eine Grundausstattung, die leicht zu bedienen ist und eine gute Einweisung, ein Basiswissen über das EEG Training, Selbsterfahrung und Freiwillige, mit denen man üben kann.

Neurofeedbacktraining ist aber ein Training, das nicht ohne Verbrauchsmaterialien zu machen ist,
Wattestäbchen zum Auftragen der EEG Paste, EEG Paste, ten 20 Paste, EEG Gel, Elektroden, Elektrodenkabel, Kochsalzlösung, EEG Hauben.

Im eingekauften Paket ist meistens alles vorhanden, doch muss es irgendwann nachbestellt werden.

H + H Medizinprodukte GbR
Buldernweg 56
48163 Münster

Tel.: +49 (0)251-1442820
Fax: +49 (0)251-2395755
Mobil: +49 (0)179-9791909
E-Mail: info@onestep-eeg-gel.de
Internet: www.onestep-eeg-gel.de

One Step ist das beste EEG Gel, H+H liefert sofort, ist preiswert und vetreibt jetzt auch EEG Hauben und Sinter Brückenelektroden.

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What is NxLink ?

NxLink is a powerful new software package for IBM P.C.'s that enables easy:
Viewing, editing, and annotation of the raw data by means of a scrolling EEG editor.
Computer assisted artifact rejection
Generation of quantified EEG (QEEG) features.
Generation of z-scores based upon age appropriate comparisons with neurometric database.
Display options including tables and topographic maps for easy and rapid analysis of a person's EEG data.
Classification of QEEG profile by patented analysis procedures and discriminant functions yielding objective probability of group membership as an adjunct to diagnosis of common types of psychiatric and neurological brain dysfunction.

There are several important aspects of the discriminant comparisons generated by NxLink. The analysis only compares the individual to clinical groups that are indicated as appropriate by the patient summary information form and the patient history checklist, Therefore, only potentially relevant comparisons are made and the probability of Type I errors leading to "misclassification" is decreased.

Aid in assisting neurofeedback procedures. (coming soon!)

Sample Case Report:

Key:
Rows: Absolute Power, Relative Power, Interhemsipheric Power Asymmetry and Coherence.
Columns: Total Spectrum, Delta, Theta, Alpha, and Beta Frequency Bands.

An 8.6 year old male with:
...........Learning disabilities
...........Hyperactivity,
...........Impulsivity, and
...........Problems in peer interactions.
Baseline evaluation of this child revealed abnormal scores on several behavioral/performance scales (see Table below). As can be seen in the topographic maps above, this child's neurometric findings were characterized by significant diffuse excess of absolute and relative power in the theta frequency band and an anterior excess of alpha activity. In addition, there was a tendency toward posterior power asymmetry in all bands (R>L), and highly significant hypercoherence between left and right posterior regions and a lesser hypercoherence between frontal regions, in all bands. Further details of this case can be studied in the demonstration (case #26115A), including discriminant classification results indicating a high probability that the patient's QEEG profile corresponded to that seen in the learning disabled population.
The patient was put on dexamphetamine (10 mg/day) for 6 months and then retested. After six months the QEEG had normalized (click here to see maps). The changes in QEEG were accompanied by large changes in the behavioral measures as is shown in the Table below. The discriminant findings in this follow-up evaluation no longer indicated classification as learning disabled.
It is noted that in a large study population, the QEEGs of subjects whose behavioral measures did not improve with treatment either showed no change or actually became more abnormal, (Chabot et al., 1997).

Subject Age Treatment Connors Snap Peer Memory Read Comp Spell

26115A 8.6 NONE 27 47 12 10 8.5 9.3 8.3

26115B 9.0 Dexamphetamine (10mg/day) 10 14 7 1 11.4 10.9 9.4

TABLE 1: Behavioral/performance scores of a "candidate" ADHD eight year old boy before and after 6 months of treatment. Neurometric measures showed a normalization that was in line with improved behavioral scores.

1999 Pricing Program Effective 3/15/99

System Version I: Neurometric Analysis System with EEG translator, EEG editor, neurometric analysis with normative data base comparison, topographic brain mapping, and printed comprehensive data output, $2500
System Version II: System Version I plus the Normal/Abnormal Discriminant Analysis package, $5000. Additional discriminant analysis packages can be included for $500 each (select from Learning Disability—with NEW ADD/ADHD Discriminant Function, Depression, Dementia, Schizophrenia, or Head Injury Discriminants).
System Version III: System Version I plus the complete Discriminant Analysis System derived from the Neurometric Clinical Database. Includes free upgrades for newly developed discriminant functions for one year following initial purchase, $7500.

VERY IMPORTANT NOTICE

The Neurometric Analysis System is the only U.S. Food and Drug Administration 510(k)-cleared reference database software available for use by qualified medical professionals for the post-hoc statistical evaluation of the EEG (FDA 510(k) K974748)

Each system comes with a one-year warranty, user and technical manuals, neurometric bibliography, software security key, and three-month phone/fax/email support services. Extended warranty programs are available at reasonable cost after one year. The extended warranty program provides limited no-cost interpretation assistance, free upgrades, maintenance upgrades, and reduced purchase prices for future options that become available. Upgrades from System I to Systems II or III are available.

Installation and training is available at additional cost. Please contact NxLink, Ltd. for pricing information and availability. A limited number of Cooperative Research Discounts are available for government and academic research institutions (certain conditions apply; please contact NxLink for more information).

Buch zum Thema

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WinEEG

WinEEG offers a complete analysis package

WinEEG basic version is a full software that allows the recording, editing and analysis of continuously recorded QEEG using a Mitsar amplifier. WinEEG basic version is included with all Mitsar 201 amplifiers.

WinEEG advanced version allows the user all of the functions of the basic version and additionally the ability to import non-Mitsar format files, record Event Related Potential data (with the use of EEGStudio), and to perform database comparisons (with the addition of the HBI database). WinEEG is included with Mitsar 202 amplifiers and can be added to the purchase of Mitsar 201 amplifiers for an additional fee.

The Human Brain Institute normative database requires WinEEG advanced version and an additional fee.

All functions listed on this page are available in WinEEG basic version unless otherwise indicated by an asterisk* and italics.
Where indicated by the * an additional fee may be required.

Recording

The QEEG (up to 32 channels) is stored on the hard disk and available for subsequent analysis. During recording, the signals are continuously displayed on the screen. QEEG can be recorded synchronously with visual and acoustic stimuli presentation for ERP/ERD studies*. ERPs and ERDs are computed in psychological tasks of various designs. The task design is performed by Psytask* or by the conventional Presentation software (Presentation, E-Prime). During QEEG recording photoflash* may be controlled manually or using predefined program. Automatic impedance measurement procedure helps to control a quality of electrodes setting.

Display

A flexible review program allows fast display of the QEEG on the computer monitor and immediate access to any part of the recording. Ten user definable labels may be used to mark QEEG recordings for future quick access to this part.

Montages & Filters

Recorded QEEG can be displayed in different montages: monopolar, bipolar, average reference, weighted average reference and etc. QEEG can be filtered by IIR digital filters to change frequency band of recording to and eliminate environmental noise (50 or 60 Hz). Also QEEG can be filtered by high order FIR filters.

Spectral Analysis & Brain Mapping

WinEEG software includes the multichannel spectral analysis, brain mapping and coherence. Power spectra and coherence can be computed for any selected part of recorded QEEG. Different parameters of spectra computed for predefined frequency band ranges can be displayed as histograms, maps and tables. The spectra data can be exported to other applications (standard statistical packages such as STATISTICA* or SPSS* ) by using ASCII format for a future statistical analysis.

Automatic Spike Detection

Spike detector automatically detects, marks and averages spikes and sharp waves in QEEG recording. High effective algorithm of automated spike detection based on both estimation of amplitude-temporal parameters of waveforms and equivalent dipole source applying to both raw QEEG and decomposition of multi channel QEEG on components (using PCA or ICA) helps to search for paroxysmal activity in long-term QEEG records. Manual correction of results of spike detection algorithm provides a possibility to eliminate artifacts. Averaging of similar spike waveforms increases an accuracy of measurement.

Dipole Source Localization

Build in equivalent dipole localization algorithm help to identify a brain position of source of paroxysmal activity.

Built-in client database for organization

All patient information including QEEG waveform and video can be saved to the built-in database or written on CD. The Built-in database helps to automatically search the recording and provide automatic data processing, data averaging and exporting. In addition all data can be stored and reviewed on any Windows-based PC.

Video Monitoring

With the use of the video QEEG option* and WinEEG Advanced version* the QEEG can be recorded synchronously with video movie from one or two cameras and audio signal from microphone. Together with on-line MPEG4 compression of video signal and on-line MPEG3 compression of audio signal this feature provides long-term video QEEG monitoring. Fast positioning to any selected time moment of video QEEG record and playback of all recorded signals provide effective analysis of data.

Artifacting

The QEEG can be reviewed and artifacts selected manually or advanced artifact rejection mode provides easy and fast search and elimination of bad QEEG epochs. Artifact correction procedures are based on PCA or ICA decomposition of raw QEEG and special filtering helps to increase quality of QEEG record.

Event Related Potentials and Wavelet Analysis

3D Mapping

3D mapping of data can be performed by LORETA software to which mapped data is transferred automatically

Averaging and data processing automation

The spectra, coherence, ERP, ERD and etc. can be process in automated mode for collection of recording selected by user. The results of processing will be automatically stored to build-in database.
The spectra, coherence, ERP, ERD and etc. can be averaging automatically mode for collection of recording selected by user.

Import and Export of data

Raw QEEG can be exported to files with different formats such as ASCII, Binary, EDF and etc. Raw QEEG can be imported with WinEEG advanced version* from file with next formats EDF, EDF+, UDF, ASCII, LEXICOR, NeuroScan v.4.

QEEG spectra, coherence, ERP, ERD and parameters of task performance can be exported to ASCII file automatically for collection of recordings selected by user.

Neuroguide, Applied neuroscience

How Applied Neuroscience, Inc.
Has Changed the Face of EEG Biofeedback

1994 – First to Introduce and Implement a Normative Database to EEG Biofeedback (Lexicor). The goal was to use Z Scores from Norms for Assessment, Biofeedback Protocol Development & Evaluation of Treatment efficacy following Biofeedback.

2002 – First to Produce Commercial Software that Integrates Conventional EEG with QEEG on the Same Screen at the Same Time.

2004 – First to Implement Live Z Scores (real-time) for EEG Biofeedback.

2005 – First to Implement LORETA Source Correlations.

2008 – First to Implement 19 Channel EEG Z Score Biofeedback.

First to Implement Surface EEG Phase Shift & Phase Lock measures

First to Implement Cross-Frequency Phase Lock & Phase Shift Duration.

First to Implement LORETA Z Score Biofeedback.

2009 – First to Implement Seamless Integration of QEEG Assessment and Biofeedback

First to Implement Surface Laplacian EEG Biofeedback.

First to Implement Average Reference EEG Biofeedback.

First to Implement a Symptom Check List to produce Biofeedback protocols of
the Surface EEG.

2010 – First to Implement a Symptom Check List with LORETA Z score Biofeedback.

2011 – First to implement LORETA Coherence and Phase Z Score Biofeedback

2012 – First to Implement LORETA Coherence and Phase Difference in Biofeedback.

First to Produce the “Handbook of QEEG and EEG Biofeedback” a Textbook for Students and Professionals.

2013 – First to Implement LORETA Z Scores of Phase Lock & Phase Shift
to Biofeedback.

First to Implement a Real-Time 3D Rendered MRI volume & Nodes (Brodmann Areas)

Please email us at qeeg@appliedneuroscience.com

or Call 9:00 am - 5:00 pm EST Monday - Friday at:

727-244-0240

727-804-3596

or Fax: 727-258-4930

Neurofeedback Datenbanken

Warum Datenbanken?
In Datenbanken werden Norm EEG Werte unter verschiedenen Aspekten gesammelt. Diese können dazu benutzt werden, Abweichungen des EEG von "Normwerten" zu erkennen.
Damit hätte man einen Parameter, der einem möglichen Training die Richtung wiese. Anstelle des "einfachen" Veränderns von Bewusstseinszuständen durch das Spiegeln zugehöriger frequenzen, wären so komplexere Veränderungen des EEG möglich.

Gibt es aber Normwerte und ist es erstrebenswert, den Probanden dorthin zu trainieren?

Nun ist Entwicklung ja immer vielschichtig und umgeht Hindernisse. Wenn man Abweichungen mit beschriebenen Symptomen in Übereinstimmung bringt und dann noch in der Lage wäre, die Hirnregion gezielt zu trainieren, die bei der Symptomverursachung und Abweichung zusammenpassen, wäre es möglich, ein EEG Training durchzuführen, das sehr spezifisch ist.

Das nötige Rüstzeug bietet das 20 Kanal QEEG in Verbindung mit LORETA, einem mathematischen Verfahren, das es möglich macht, Quellen der Oberflächenaktivität im Gehirn zu finden und darzustellen. Wenn man nun die Z Score Werte, also die Annäherungen oder Abweichungen von Durchschnittswerten in so genannten Live Z Scores geliefert bekommt, wird ein solches "Tiefen Neurofeedbacktraining" möglich.

Zielgruppe sind nun in erster Linie Menschen, die an leichten Schädel Hirn Traumata leiden oder Menschen mit psychiatrischen Symptomen wie Asperger, Autismus, ADHS, usw.

Es gibt aber auch die Möglichkeit, die Werte der Datenbank zu diagnostischen Zwecken zu benutzen. EKPs, also ereigniskorrelierte Potentiale sind dazu wichtig. Diese werden aber nicht von allen Datenbanken erfasst.
WinEEG leistet das. EKPs können aber auch mit dem Procomp gemessen werden, allerdings ohne den vergleich mit Normwerten.

Die erste Datenbank, die ich aufführe ist neuroguide von Robert Thathcher. Diese Datenbank ist inzwischen selber Trainingsmodul und kann mit einem beliebigen 20 Kanal EEG Gerät als Trainings und Diagnosetool betrieben werden. Es gibt sehr viele Möglichkeiten, von der erkennung von Lernschwierigkeiten, bis zur Symptomcheckliste und der verbindung von Symptom und EEG Messung, über die Einbindung von LORETA und die Nutzung von LORETA Werten zum Training. Da Robert Thatcher im Grunde die Analyse vorgibt und da er wirklich viel Wissen eingebunden hat, ist eine Fehlerquelle, nämlich das mangelnde Wissen des Anwenders, reduziert. Damit wird ein gezielteres und sinnvolleres Training möglich.

www.brainbalances.de

Samstag, 1. August 2015