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Biomedical subjects

G Rabending

Publications and source records attributed to G Rabending.

At least 19 recordsLinked to original sources
PubMed1987

[Automatic detection of transient potentials in the EEG].

A classifier based on the linear regression model was developed to automatically detect sharp transients in EEG, matching the definition of spikes and sharp waves accepted by IFSECN. Practical applications proved the accuracy of the method which succeeded in detecting 84% of sharp transients previously found by an experienced electronencephalographer. Computerized search for sharp transients in EEG records will be particularly useful in long term EEG records obtained from epileptic patients.

Computers↗
PubMed1987

[Structural differentiation of psychological performances in epilepsy patients].

Investigating the specific of psychic performance disorders in epileptics structural aspects in addition to quantitative performance differences are considerable. We compared psychometrically obtained performance structures of epileptic children and adults and of parallelised healthy control persons. It became evident, that the performance differentiation hypothesis is to corroborate also in epileptic patients. The psychic performance structure of epileptics is characterized by a lower differentiation level of the basis functions underlining the performances. Our factor analytic investigations emphasize the importance of deceleration of psychic/psychomotoric speed in epileptics as primary basic disorder.

Adolescent↗
PubMed1986

[Epileptic psychosis and nonconvulsive status epilepticus with ictal bradycardia and asystole].

Case report of a 35 years old patient, who, without previous history of epilepsy, within two years experienced two long-lasting psychotic episodes due to non-convulsive status epilepticus with complex partial seizures. During the second psychotic episode she developed ictal vegetative phenomena such as profuse sweating, flush, apnoea, and, above all and most alarming, periods of severe bradycardia and asystolia with clinical signs of syncope. Ictal asystolia, though being an uncommon sing of epileptic seizures, may be one cause of sudden unexpected death in epileptics.

Adult↗
PubMed1986

[Specific aspects of psychological disorders of performance in children with epilepsy].

We examined 49 normal intelligent epileptic and parallelised in sex, age and intelligence just as much healthy and 14 minimal cerebral damaged children without seizures. Using a psychological test battery psychic/psychomotor speed, flexibility/preservation proneness, memory span and memory and concentration were registrated. Besides reduced memory performances we found a deceleration of psychic/psychomotor speed as primary basic disorder within the performance structure of epileptic children analogous to our previous examined adults. The tridimensional comparison suggests remarkable psychopathological differences among the two groups of patients.

Adolescent↗
PubMed1979

[Diabetic polyneuropathy. 4. Synopsis of electroneurographic findings in diabetics].

Sensory conduction velocity of the median nerve, motor conduction velocity of both median and tibial nerves, and corresponding distal laterncies are sufficient parameters to establish the diagnosis of polyneuropathy almost with certainty. Considering these six parameters yielded in detection of peripheral nerve dysfunction in 22% of diabetic patients who were free from clinical signs of polyneuropathy. Electroneurographical findings in 340 out of 677 patients with diabetes mellitus were interpreted as evidence of segmental demyelination. Within this group there was the majority of patients with clinical signs of polyneuropathy and with subclinical signs of peripheral nerve dysfunction. There existed a positive correlation between signs of nerve dysfunction with angiopathy, age and duration of the disease. A second group consisting of 243 diabetics with signs of incipient segmental demyelination with or without signs of axonaal degeneration mainly included juvenile patients with a short duration of the disease and with a low frequency of angiopathy.

Adolescent↗
PubMed1979

[Facial myokomias in brain stem tumors].

Four cases of brain-stem tumor were described, in which myokymias were electromyographically derived from the region of several cerebral nerves. An attempt is made to interpret the effects of twitching by reference to the electromyogram. Myokymias are a positive indication of organic brain stem damage. The use subtle techniques of electromyographic examination shows that this muscular hyperkinesis is not so infrequent a symptom as is generally believed.

Abducens Nerve↗