| The effect of head movement and head positioning on sound field audiometry. | |
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MedLine Citation:
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PMID: 22486395 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Objective: Positioning and maintaining the subject's head at the calibration point (CP) of the sound field (SF) during SF assessment remains a challenge. The purpose of this study was to investigate the sound pressure level (SPL) at head positions likely to be encountered in routine audiological practice. Design: Eight National Health Service SF clinics were used to obtain SPL measurements. Part 1 of the study investigated SPL variability at positions around the CP (0.15 m and 0.30 m). Parts 2 and 3 of the study, investigated the SPL at two typical head heights of the infant population. Study sample: Only sound field measures were obtained. Results: Part 1: 32% and 40% of measurements of SPL around the CP were >2 dB different from the SPL at the CP (0.15 m and 0.30 m). Parts 2 and 3: 55% and 38% of measurements of SPL, at the two infant head heights, were >2 dB from the SPL at the CP. Conclusions: Variability in SPL, due to head movement, is to be expected when performing SF audiometry. Furthermore, the typical head heights of infants will introduce additional variability, unless the position of the CP is chosen carefully. |
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Authors:
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Paul Shaw; Hannah Greenwood |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-4-10 |
Journal Detail:
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Title: International journal of audiology Volume: - ISSN: 1708-8186 ISO Abbreviation: - Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-4-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101140017 Medline TA: Int J Audiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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* School of Healthcare, University of Leeds , UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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