[Acoustic evoked potentials of medium latency]. 1985

U W Buettner, and E Trost

Medium latency auditory evoked potentials (8-50 ms latency interval) are not yet established as an important diagnostic procedure. This is mainly due to the fact that the origins of the single components are not yet known. Components of the MLAEP were investigated and normal values were calculated in order to distinguish neurogenic and myogenic components. Based on this investigation the role of the MLAEP in clinical practice can be judged. Mean values (31 subjects) for ipsi- and contralaterally recorded potentials were calculated independently for recordings with and without myogenic contamination. The following components were measured: V, VI, VII, No, Po, Na, Pa, Nb. In addition sixteen patients with idiopathic facial paresis - consequently lacking the postauricular reflex - were investigated. Normal values of the myogenic component Po (when present) are presented to determine the so called "crossed acoustic response".

UI MeSH Term Description Entries
D011930 Reaction Time The time from the onset of a stimulus until a response is observed. Response Latency,Response Speed,Response Time,Latency, Response,Reaction Times,Response Latencies,Response Times,Speed, Response,Speeds, Response
D012022 Reflex, Acoustic Intra-aural contraction of tensor tympani and stapedius in response to sound. Acoustic Reflex
D001927 Brain Diseases Pathologic conditions affecting the BRAIN, which is composed of the intracranial components of the CENTRAL NERVOUS SYSTEM. This includes (but is not limited to) the CEREBRAL CORTEX; intracranial white matter; BASAL GANGLIA; THALAMUS; HYPOTHALAMUS; BRAIN STEM; and CEREBELLUM. Intracranial Central Nervous System Disorders,Brain Disorders,CNS Disorders, Intracranial,Central Nervous System Disorders, Intracranial,Central Nervous System Intracranial Disorders,Encephalon Diseases,Encephalopathy,Intracranial CNS Disorders,Brain Disease,Brain Disorder,CNS Disorder, Intracranial,Encephalon Disease,Encephalopathies,Intracranial CNS Disorder
D005072 Evoked Potentials, Auditory The electric response evoked in the CEREBRAL CORTEX by ACOUSTIC STIMULATION or stimulation of the AUDITORY PATHWAYS. Auditory Evoked Potentials,Auditory Evoked Response,Auditory Evoked Potential,Auditory Evoked Responses,Evoked Potential, Auditory,Evoked Response, Auditory,Evoked Responses, Auditory,Potentials, Auditory Evoked
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000161 Acoustic Stimulation Use of sound to elicit a response in the nervous system. Auditory Stimulation,Stimulation, Acoustic,Stimulation, Auditory

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