FAQ – Frequently Asked Questions

In this area the most common questions about QEEG and Neurofeedback are answered.

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FAQ

The most common questions about QEEG and Neurofeedback

How do I connect the WinEEG Computer with the PsyTask Computer?

WinEEG and PsyTask need to run on two separate computers. Both computers need to be connected by means of a serial cable.

Modern computers do not have a serial port anymore, so we will need a “USB-Serial-Converter” for each computer. A “USB-Serial-Converter” will appear as “COM Port” on the computer that then will be used by WinEEG and PsyTask, respectively.

There are two possible approaches:

  • select COM port of USB-Serial-converters in WinEEG and PsyTask
  • modify COM port of USB-Serial converters to match default settings in WinEEG and PsyTask.

1) Modifying the COM Port in Windows:

We recommend to modify COM port settings in device manager to values lower than 8. On some computers we have seen problems with higher port numbers. To do that, goto device manager, find section with COM ports (something like “Ports (COM & LPT)”), expand (‘+’) and double-click on USB-serial converter. There, select section “Port Settings”, click on “Advanced”. Then, do two things: Move both sliders to the very left and change the COM Port Number to a lower value. Most of the time, COM 2 is available. If it is not but you know that nothing else in the system is using it, select it. Ignore the error message.

2) Modifying COM Port in WinEEG and PsyTask

WinEEG: Menu Settings -> Equipment Parameters… -> Parameters of Synchronization Port
PsyTask: Click on “Modify Synchronization Parameters”.

If you are setting up the computers newly, first make sure that the COM ports are below 8 (according to (1)), then adapt the settings in WinEEG and PsyTask according to (2).

Note: the USB-Serial converters must be connected always to the same USB connectors- otherwise the system will assign a different COM port and the settings have to be adapted (either method 1 or 2)

How to install Loreta / sLoreta
  1. Download Loreta and sLoreta from the Key Institute
  2. install Loreta
  3. open WinEEG, then any EEG and Analysis -> Sources Distribution (Loreta) -> navigate to Loreta folder / 020-Main -> Loreta.exe. (note: this makes not a lot of sense, but will write a file that we will need later)
  4. install sLoreta
  5. copy the Matrix somewhere, preferrably into the sLoreta folder
  6. start sLoreta -> Viewer / Explorer ->
    a) Ctrl e -> navigate to the matrix and select the file you see
    b) Ctrl t -> as (a)
    c) Ctrl o -> enter 250 Hz, then navigate to the Loreta folder and open the voltage file (that was created by WinEEG before)
    d) Jobs -> save current

done.

Note that sLoreta will keep running even if you closed it- when you attempt to load it again, you’ll see an error message. Re-open it via the icon in the Windows task icon bar.

What is the HBI database?

The HBI database by HBimed is a comprehensive collection of normative reference EEG data and helps (neurofeedback-) therapists in the assessment and evaluation of the data of their own patients. HBI database contains not only spectral data but also data of evoked potentials with very high signal-to-noise ratios, which results in unparalleled statistical significance.

The difference to traditional databases is that the HBI database by HBimed considers the latest evaluation methods (eg the decomposition of EEG and evoked responses into independent components, and LORETA – Low Resolution Electromagnetic Tomography).

The HBImed HBI database is based on the method that was developed at the Human Brain Institute of the Russian Academy of Sciences and the Institute for Experimental Medicine of the Russian Academy of Medical Sciences. This method won the State Prize of the USSR and is officially recognized as a unique discovery in the field of human physiology. The database is now used in many scientific centers worldwide and in hospitals and clinics in Europe and the USA.

Find out more details about the HBI database by HBimed here:

You can order the HBi database in our online shop: HBi database in HBimed shop

What is EEG Biofeedback?

EEG Biofeedback is also known as neurofeedback or neurotherapy and is a revolutionary tool that is helping clients all over the world to better selfregulate their brain function since 30 years.

It is a non-invasive method that provides significant and sustainable results for a variety of symptoms.

Conventional biofeedback helps to control and train body functions by means of “feedback” (visible and audible signals) – this way, for example incontinence can be treated.

With EEG Biofeedback no muscle- or organic body functions, but brain waves, are measured. Here, the feedback is achieved when the brain waves are appropriate.

This way, the brain can be trained in a gentle way to “unlearn” undesirable states and “learn” desirable states. This can be used for treating for example concentration problems, migraine or depression.

Although it might sound like “brainwashing” to critical readers: Neurofeedback has nothing to do with brainwashing. It is more comparable to muscle training. Only the EEG Biofeedback is not training the muscle, but the brain.

More information on EEG Biofeedback

What is neurofeedback good for?

Neurofeedback – also known as EEG Biofeedback or Neurotherapy – can be helpful with a variety of conditions, such as:

  • Anxiety
  • Attention deficits (ADD/ADHD)
  • Autism
  • Depression
  • Epilepsy
  • Concentration problems
  • Migraine
  • Sleep disorders
  • Stroke
  • Tourettes

Aside from the medical applications neurofeedback also has other applications:

  • Peak-performance-training for top athletes
  • Training of creativity
  • Maintaining mental flexibilty in old age
  • Anti-agression-training
  • Reduction of reaction time
  • Memory training
  • Remedy for Stress

Neurofeedback can impact the following childhood sleep-related problems:

  • Nightmares
  • Bedwetting
  • Night terrors
  • Sleep walking
  • Teeth grinding
What is neurotherapy?

In a form of neurotherapy – also known as neurofeedback or EEG Biofeedback – the patient´s brain is trained towards better function. It is assumed that the cause for many disorders is a dysregulation of brain function that can be corrected by neurotherapy.

A successful neurotherapy with neurofeedback normally consists of at least 15 sessions, after which the brain ideally has permanently changed it´s function so that the symptoms (such as migraine or sleep disorders) are reduced or have even completely disappeared.

Scientific studies have shown that such a neurotherapy could achieve at least as good results in the treatment of attention deficit disorder (ADD / ADHD) as a drug treatment with Ritalin.

Often, through neurotherapy, the permanent taking of specific medication can be avoided.

There are many more applications for neurofeedback. Whether with top athletes, musicians, managers or elderly people: You can train almost every brain towards better function with neurofeedback.

Who is Prof. Juri Kropotov?

Besides being the leading scientist of the HBimed AG Prof. Juri Kropotov is director of the laboratory of the Institute of the Human Brain (HBI) of the Russian Academy of Sciences, St. Petersburg.

Moreover, Prof. Kropotov is adjunct professor of the Norwegian University of Science and Technology, Trondheim, Norway.

The QEEG-courses of the HBimed AG are held by Prof. Kropotov.

Who should visit a HBimed QEEG course?

Our QEEG courses are aimed at doctors, scientists and psychotherapists. Especially at those who want to learn about QEEG (Quantitative EEG), and working with the HBI database and its evoked potentials.

As a wider audience for our QEEG courses, there are the following professions :

  • Neurofeedback therapists
  • School psychologists
  • Neuropsychologists
  • Child psychiatrists
  • Psychiatrists
  • Occupational therapists
  • Paediatricians

After you have visited our QEEG seminar, you have plenty of practical and theoretical knowledge to begin with QEEG diagnosis in your practice right away.

More Information on the HBimed QEEG course.

Getting started with Neurofeedback – neurofeedback training courses at EEG Info.

What does QEEG mean?

QEEG means “Quantitative EEG” or “Quantitative Electroencephalography” and is a special way to look at the EEG. There are different ways to examine the brainwaves in order to determine causes of disorders:

One way is to determine (or rather suspect) by means of symptoms (lack of sleep, tics, …) the brain areas that experience over-, under- or instable arousal.

Another way is to perform a “quantitative” analysis of the EEG on the basis of standardized databases. By comparison with the values of a healthy normal population, a quite secure diagnosis can be made. This is then called QEEG.

You can find the HBimed QEEG database and our QEEG systems in the HBimed shop.

What are the advantages of Quantitative EEG?

Quantitative EEG (QEEG) has advantages to the symptom-based EEG analysis because it is in principle more accurate and enables safer diagnosis. Quantitative EEG utilizes the normative data of many healthy subjects. These data are the result of many years of research.

Also in neurofeedback therapy Quantitative EEG can be a valuable tool. By means of QEEG, a convincing comparison between before and after therapy can be obtained.

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