CZECH MEDICAL ASSOCIATION J. Ev. PURKYNĚ | |
Journals - Article | |
Česky / Czech version | Otorinolaryngol. /Prague/, 50, 2001, No. 2, p. 95-98 |
SSEP - a New Objective Method for
Examination of Hearing Jurovčík M., Kabelka Z., Myška P., Novák M., Kopřivová H. Klinika otorinolaryngologie a chirurgie hlavy a krku 2. LF UK a FN Motol, Praha, přednosta doc. MUDr. Z. Kabelka, CSc. |
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Summary: The purpose of this publication is to evaluate a new technology using Steady - State
Evoked Potentials (SSEPs) for determining frequency - specific hearing impairment in infants and
children. The authors describe the basic principles of this technique and possibilities of the
methodology. The potentials are within the range of the middle latency response (MLR) and are
characterised by the frequency dependence of the stimulus and evoked potential. The stimulus is
amplitude and frequency modulated and is continuous. The computer equipment calculates a frequency specific objective audiogram, and is particularly useful for pediatric audiology. The techni-
que evaluates tresholds between 125 - 8000 Hz at intesities of -10 - 130 dB. Early experience shows
SSEP is very useful for testing very young and difficult to test individuals with hearing impairment.
This method is also extremly useful in paediatric assessments for cochlear implantation due to
detection of responses at low intensities. In summary this technique may allow earlier rehabilitation
or cochlear implantation.
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