ISSN 1612-3352

Editors in Chief

Prof. Dr. Claus F. Claussen, Neurootological Research Institute of the Research Society for Smell, Taste, Hearing and Equilibrium Disorders at Bad Kissingen (4-G-F). Bad Kissingen, Germany.
Dr. med. Julia M. Bergmann,
Dr. med. Guillermo O. Bertora,
Otoneuroophthalmological Neurophysiology,
Buenos Aires, Argentina.

Production Managers

Dr. med. Julia M. Bergmann,
Dr. med. Guillermo O. Bertora,
Otoneuroophthalmological Neurophysiology,
Buenos Aires, Argentina.


Associated Editors


The editors welcome authors to submit articles for publications in the ASN.

Read the Information for Authors.


Kurhausstraße 12
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Email asn@neurootology.org

 

Publications by

Dr.med. Guillermo O. Bertora

25 publications on the archives

Whiplash Injury: Frequent Brain Lesions Studied Through Brain Electric Tomography – LORETA –

A total of 46 patients have been chosen from our “Neurofisiología Oftalmológica” Data Bank with whiplash injury – Type 4 . Cervico-encephalic syndrome.
They were studied with S-Low Resolution Brain Electric Tomography (S-LORETA), and their results were compared vs. 100 normal patients.
Using Loreta and SNPM in our patients allow us to determine which are the most [...]


A New Tinnitus Model Investigated through Brain Electric Tomography – LORETA -

Brain neurosensorial disorders, i.e: tinnitus, represents one of most reasons of disability.
The most often used methods for functional imaging of the human brain are positron emission tomography (PET) and functional magnetic resonance imaging (fMRI).
These tomographies provide three-dimensional (3D) images comprising information on metabolism.  Although the spatial resolution of these images is excellent, the temporal resolution [...]


Brain pathophysiology in tinnitus patients

Brain neurosensorial disorders, i.e: tinnitus, represents one of most reasons of disability.
The most often used methods for functional imaging of the human brain are positron emission tomography (PET) and functional magnetic resonance imaging (fMRI).
These tomographies provide three-dimensional (3D) images comprising information on metabolism.
Although the spatial resolution of these images is excellent, the temporal resolution is [...]


Ménière syndrome: cortical brain projections studied by brain electric tomography (loreta)

A study of cerebral cortical projections in Ménière Syndrome has been carried out. The analysis was made by Brain Electric Tomography – Loreta and the most significant areas have been evaluated by means of Statistical non Parametric Mapping – SnPM.
The regular Ménière Syndrome (vertigo-hypoacusis-tinnitus) has a very important cortical representation in frontal [...]


Postural brain centers studied through posturography and brain electric tomography (loreta)

It has been demonstrated that by means of objective and quantitative methods – as the Test of Balance or Posturography – it is possible to evaluate the sensorial afferentias involved in bipedestation.
The purpose of this presentation is to carry out a study using Posturography and Low Resolution Brain Electric Tomography (LORETA) in 153 Patients.
The [...]


A comparative study between posturography and other vestibular tests

Human bipedestation is a complex process of cerebral integration of visual, somatosensitive and vestibular information.
Therefore, our requirement as physicians, is to try to objectify these cybernetopathologies through studies, in order to be able to prescribe a suitable therapy.
The purpose of this work is to submit a comparative statistical study between posturography and other equilibriometric tests.
But [...]


Bipedestation studied by posturography

Now, with the statistical support of 1500 examined patients, we are ready to confirm the results of our former investigations.
Moreover, it is now statistically demonstrated by us that in Test of Balance, the most significant parameters in the 4 tests, from an statistical point of view, are:

Equilibrium Area
Total Displacement and
Average Velocity

which should [...]


Menière syndrome and vestibular migraine: cortical brain projections

A comparative study of cerebral cortical projections in migraine, in Ménière Syndrome and in Ménière Syndromes with migraine has been carried out. The analysis was made by Brain Electric Tomography – Loreta and the most significant areas have been evaluated by means of Statistical non Parametric Mapping – SnPM. Ménière Syndromes [...]


Tinnitus supratentorial areas study through brain electric tomography (loreta)

The tinnitus can be functionally measured and localized through sensorymotor and neurosensorial tests, then there arises a great demand for a systematic pharmacological treatment.
These tests indicate the numerous and different locations of the symptom, and enable us to prove that in around 24% of the patients, tinnitus has a peripheral origin, in 35% it is [...]


Auditory pathways: spatial distribution in cortical brain in normal and tinnitus patients studied through loreta

Advances in basic research in neurosciences and the introduction of new non-invasive techniques, that make possible the detection of weak signals of the brain, have revolutionized diagnosis and treatment. The most often used methods for functional imaging of the human brain are positron emission tomography (PET) and functional magnetic resonance imaging (FMRI).
More recently, [...]


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