Abstract
SummaryTemporal epilepsy, one of the most common presentation of this pathology, causes excessive electrical discharges in the area where we have the final station of the auditory pathway. Both the anatomical and functional integrity of the auditory pathway structures are essential for the correct processing of auditory stimuli.Aimto check the Auditory Processing in patients with temporal lobe epilepsy regarding the auditory mechanisms of discrimination from sequential sounds and tone patterns, discrimination of the sound source direction and selective attention to verbal and nonverbal sounds.Methodeight individuals with temporal lobe epilepsy were assessed, after excluding those with non-confirmed diagnosis or with the focus of discharges not limited to this lobe. The evaluation was carried out through special auditory tests: Sound Localization Test, Duration Pattern Test, Digits Dichotic Test and Non-Verbal Dichotic Test. Their performances were compared to the performances of individuals without neurological diseases (case-control study).Resultssimilar performances were observed between patients with temporal lobe epilepsy and the control group regarding the auditory mechanism of sound source direction discrimination. Comparing the other auditory mechanisms assessed, the patients with temporal lobe epilepsy presented worse results.Conclusionindividuals with temporal lobe epilepsy had more deficits in auditory processing than those without cortical damage.
Highlights
Epilepsy is a set of clinical manifestations that may reflect a temporary neural dysfunction - abnormal and excessive electric discharges[1]
Knowing that for a correct analysis and interpretation of the information received through one’s hearing it is necessary to have full anatomical and functional integrity of all these structures and that the electric discharges caused by the crisis may cause neuronal losses in the region where they occur, it has been thought that there may be difficulties in the mental processing of the information received through hearing, and this could impair even further the communication skills of these patients
The goal of this paper is to check the Auditory Processing of temporal lobe epilepsy patients, as to the mechanisms of: discrimination of sounds in sequence and of tonal patterns, discrimination of the sound source direction, and recognition of verbal and non-verbal sounds in dichotic hearing
Summary
Epilepsy is a set of clinical manifestations that may reflect a temporary neural dysfunction - abnormal and excessive electric discharges[1]. Temporal lobe epilepsy is the most common form of the disease, and the one most difficult to control. The auditory pathway ends at the temporal lobe (primary and secondary auditory cortex), after going through many central and peripheral structures of the auditory system. Knowing that for a correct analysis and interpretation of the information received through one’s hearing (auditory processing) it is necessary to have full anatomical and functional integrity of all these structures and that the electric discharges caused by the crisis may cause neuronal losses in the region where they occur, it has been thought that there may be difficulties in the mental processing of the information received through hearing, and this could impair even further the communication skills of these patients
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