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Positive 'Rollover' Robert H. Margolis Hearing Evaluation ...
https://www.audiologyonline.com/ask-the-experts/positive-rollover-515
J Speech Hear Dis 42, 408-415. Robert H. Margolis (b. Lorain, Ohio, 29 June 1946) earned bachelor's and master's degrees from Kent State University (1968, 1969) and a Ph.D. degree from the University of Iowa (1974). After a post-doctoral research fellowship at the University of Wisconsin, he joined the faculty of the UCLA Medical School in 1975.
Audiometry - Dizziness-and-Balance.com
https://dizziness-and-balance.com/testing/hearing/audiogram.html
Roll-over refers to distortion in words that occurs at high volumes. With rollover, WRS gets worse with louder presentations. This is usually due to a lesion in the 8th nerve. The WRS can be helpful in predicting the usefulness of a hearing aid. An increase in the WRS with amplification, suggests that a hearing aid might be useful.
Abnormal Audiograms in Ear Pathology
https://entpa.org/resources/Pictures/2016%20ENT%20for%20the%20PA-C/Presentations/Abnormal%20audiograms%20in%20ear%20pathology%20-%20Klingenberg.pdf
Abnormal Audiograms ... • Asymmetrical word recognition with rollover present • Abnormal acoustic reflex decay and acoustic reflexes • OAEs may be normal if hearing loss is truly neural • Normal middle ear function • ABR testing=Increased absolute and interpeak (I‐III) wave latencies. ...
Speech Audiometry
https://www.costcohaap.com/documents/SpeechAudiometryEvaluationWorkbook_000.pdf
Rollover Speech intelligibility reaches a peak (PB max), and then either: Remains high (normal), or Drops at higher levels (rollover) Rollover is defined as a decrease of 25% in the WRS with an increase in presentation level. Rollover is a red flag and a sign of a retrocochlear pathology. This indicates a need for a medical referral!
PB rollover and the acoustic reflex - PubMed
https://pubmed.ncbi.nlm.nih.gov/7213210/
PB rollover and the acoustic reflex Audiology. 1981;20(3):251-8. doi: 10.3109/00206098109072699. Authors M Hannley, J Jerger. PMID: 7213210 DOI: 10.3109/00206098109072699 Abstract We present the results of a retrospective study of the speech understanding of 52 subjects with surgically confirmed acoustic neurinoma. ...
Rollover phenomenon in speech audiology is seen in …
https://upscgk.com/Online-gk/10314/rollover-phenomenon-in-speech-audiology-is-seen-in--retro-cochlear-lesions
Rollover phenomenon in speech audiology is seen in Retro cochlear lesions. The majority of patients with an acoustic neuroma will demonstrate abnormal findings on audiologic testing. A complete audiologic test includes pure-tone audiometry, acoustic reflex testing with a measurement of reflex decay and speech reception audiometry.
Rollover Measurements with Auditec NU-6 Word Lists ...
https://jshd.pubs.asha.org/article.aspx?articleid=1775418
Rollover Measurements with Auditec NU-6 Word Lists. Auditec cassette tape recordings of NU-6 word lists were used to obtain performance-intensity functions for phonetically balanced words (PI-PB) from 25 subjects with normal hearing, 19 subjects with presumed cochlear disorders, and 9 subjects with confirmed retrocochlear lesions.
Rollover | definition of rollover by Medical dictionary
https://medical-dictionary.thefreedictionary.com/rollover
rollover Audiology A popular term for the shape of the curve in speech discrimination–SD audiometry, related to a defect in retrocochlear cranial nerve VIII, in which SD improves as sound intensity ↑ until a maximum–PB max is reached, after which SD worsens. See Hearing test.
PB Rollover and the Acoustic Reflex: Audiology: Vol 20, No 3
https://www.tandfonline.com/doi/abs/10.3109/00206098109072699
PB Rollover and the Acoustic Reflex. We present the results of a retrospective study of the speech understanding of 52 subjects with surgically confirmed acoustic neurinoma. Subjects were divided into three groups, depending on whether acoustic reflexes were all present, all absent, or present with abnormalities in the pathological ear.
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