Evidence map›Paper›PMID 20227475›Full record

ArticleHearing research2010

Posture systematically alters ear-canal reflectance and DPOAE properties.

Susan E Voss, Modupe F Adegoke, Nicholas J Horton, Kevin N Sheth, Jonathan Rosand, Christopher A Shera

Abstract read
In one paragraph

Article in Hearing research, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.1field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 43 citations in OpenAlex.

  1. Article
  2. Article
  3. Otoacoustic Estimate of Astronauts' Intracranial Pressure Changes During Spaceflight.Journal of the Association for Research in Otolaryngology : JARO · 2024
    Article
  4. Article
  5. Effects of Body Position on Cochlear Function in Infants: An Otoacoustic Emission Study.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2024
    Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. Article
  11. Pressurized transient otoacoustic emissions measured using click and chirp stimuli.The Journal of the Acoustical Society of America · 2018
    Article
  12. Measurements of inter-cochlear level and phase differences of bone-conducted sound.The Journal of the Acoustical Society of America · 2017
    Article
  13. Review
  14. Article
  15. Review
  16. Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 4 institutions in 1 country.

Susan E VossPicker Engineering Program, Smith College, 51 College Lane, Northampton, MA 01063, USA. svoss@smith.edu
Modupe F Adegoke
Nicholas J Horton
Kevin N Sheth
Jonathan Rosand
Christopher A Shera
Smith College · USMassachusetts Eye and Ear Infirmary · USMassachusetts General Hospital · USUniversity of Maryland, Baltimore · US

Funding

UNDERSTANDING OTOACOUSTIC EMISSIONSR01DC003687 · NIDCD · UNIVERSITY OF SOUTHERN CALIFORNIA · PI Christopher A Shera · 1999 to 2026
$9.8M
NIDCD NIH HHS R01 DC003687
6 · The paper itself

Abstract

Several studies have demonstrated that the auditory system is sensitive to changes in posture, presumably through changes in intracranial pressure (ICP) that in turn alter the intracochlear pressure, which affects the stiffness of the middle-ear system. This observation has led to efforts to develop an ear-canal based noninvasive diagnostic measure for monitoring ICP, which is currently monitored invasively via access through the skull or spine. Here, we demonstrate the effects of postural changes, and presumably ICP changes, on distortion product otoacoustic emissions (DPOAE) magnitude, DPOAE angle, and power reflectance. Measurements were made on 12 normal-hearing subjects in two postural positions: upright at 90 degrees and tilted at -45 degrees to the horizontal. Measurements on each subject were repeated five times across five separate measurement sessions. All three measures showed significant changes (p<0.001) between upright and tilted for frequencies between 500 and 2000 Hz, and DPOAE angle changes were significant at all measured frequencies (500-4000 Hz). Intra-subject variability, assessed via standard deviations for each subject's multiple measurements, were generally smaller in the upright position relative to the tilted position.

Indexed as

Acoustic Impedance TestsAdultBiomechanical PhenomenaEar CanalEar, MiddleFemaleHead-Down TiltHumansIntracranial PressureMaleOtoacoustic Emissions, SpontaneousPosturePressureYoung Adult

Identifiers

PMID20227475
PMCPMC3179977
OpenAlexW1973474012

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.