Hearing

The chemical element zinc has been in the last decades strongly studied. It is well known that it is present in some different structures of the Central Nervous System, acting as a co-factor of excitatory glutamatergic synapsis. Its function is not yet fully understood, but it seems to modulate the sensibility of glutamatergic post-sinaptic receptors […]

During the last years, cellular phones produced a real, total and incontrovertible revolution, involving the whole social and environmental domain. However, to date, there is only a reduced knowledge on what are the biological systems influenced by the use of this kind of devices. Among them, the produced electromagnetic fields (EMF) could affect, before any […]

This work intends to find hearing loss or audiometric shifts in a group of elementary students and intensity of noise to which these students are exposed.

Some authors have postulate that sistemic zinc can be employed in the threatment of tinnitus, because a sub-clinical hypozincemia is suposed to promote this auditory disturbance. However, in the majority of the cases of tinnitus, this hypozincemia was not confirmed. There is not enough randomized studies that could show the relationship between zinc and tinnitus. […]

Neurotologic patients may present with a variety of chief complaints. It is not unusual to present with primary presenting symptoms of dizziness, hearing loss and tinnitus. Unusual in presentation is nausea without dizziness. A common finding as the fundamental etiology in many patients is the eventual diagnosis of otosclerosis …….

The purpose of this work was to evaluate if a stimulus reptition rate that is higher than 30 clicks/sec increases the sensitivity of the absolute latencies of waves I, III and V and interpeak intervals I-III, III-V and I-V in the Auditory Brainstem Responses.(ABR) of Multiple Sclerosis (MS) patients.

The auditory system has been the subject on studies of its capability to develop plastic responses to different kinds of lesions. Regeneration has been observed in the peripheral portions of the system, with neogenesis of hair cells in avians, sometimes followed by functional rehabilitation, with electrophysiological confirmation. It has been also noticed the ocurrence of […]

At the Psychiatric Clinic of Szeged we began a comprehensive investigation with the aim of etiological sub-grouping of schizophrenia. As work hypothesis we treat schizophrenia as a progressive neurodevelopmental, multi-factorial long latency period disorder with notable genetic definiteness whose development and existence also significantly involves the influence of the environment. This disorder is heterogeneous clinically […]

In this work we describe the Verrucous Carcinoma characteristics in the external auditory conduct. It is an infrequent tumor in that area, with an apparently innocuous cytology but locally an invader. In describing the clinic of this pathology, the necessary complementary studies to reach a sure diagnosis, the deferential diagnosis that must be taken into […]

It has long been suspected that an important relationship exists between inner and outer hair cells, and that a disturbance of this relationship could lead to the phenomenon of tinnitus. The electromodel of the auditory system describes one mechanism of this inter-hair cell relationship. Following this model a mechanism exists, driven by mechanosensitive outer hair […]