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brainstem auditory evoked response testing |
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otoacoustic emissions (OAEs) |
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term used to refer collectively to acoustic impedance, admittance, or both |
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total energy flow through a system, unit of measure is mmhos |
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pressure equalization (PE) tubes |
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tympanometric peak pressure |
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measurement plane tympanometry |
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peak compensated static acoustic admittance |
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equivalent ear canal volume |
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the use of acoustic admittance to gain information regarding equivalent ear canal volume |
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the interval in daPA between the sides of the tympanogram at one half admittance |
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involuntary response to some external stimulus |
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the response of the stapedius muscle to sound |
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acoustic reflex threshold |
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the lowest intensity level at which the acoustic reflex can be detected |
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ipsilateral acoustic reflexes |
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contralateral acoustic reflexes |
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spontaneous otoacoustic emissions |
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evoked otoacoustic emissions |
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neonatal hearing screening |
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auditory evoked potentials |
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a change in nerve or muscle activity |
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electroencephalography (EEG) |
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scalp electrodes are placed on the client and the ongoing electrical bran potentials are measured and recorded on a graph (electroencephalogram) |
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auditory evoked potential testing |
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refers to a group of all tests that evoke brain activity by the introduction of auditory stimuli |
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time at which the evoked potential appears following stimulation |
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components of evoked potentials that are controlled by external events |
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components of potentials that are regulated by internal aspects of brain activity |
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refers to the time at which each of the individual waves appear |
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interaural latency difference (ILD) |
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the shape or definition of the waves in the results of an ABR |
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an attempt to record the sum of the neural activity across the entire frequency region of the cochlea in response to click stimulation |
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latency-intensity function |
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the recording of compound action potentials from the cochlea and eighth cranial nerve |
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a reduction in the initial amplitude of the acoustic reflex, abnormal if the reduction is more than 50 percent of the initial amplitude within a 10 second stimulation period when the ear is stimulated at an intensity 10 dB about the reflex threshold |
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