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Related Concept Videos

Echo01:06

Echo

1.1K
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
1.1K

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Related Experiment Video

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A Low Cost Setup for Behavioral Audiometry in Rodents
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Frequency-specific Animal Sound Test (FAST) 4: A valid method for hearing screening.

Antonia Nolte1, Frans Coninx2, Frank Müller1

  • 1Department of Voice, Speech and Hearing Disorders, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

International Journal of Pediatric Otorhinolaryngology
|January 27, 2016
PubMed
Summary

The Frequency-specific Animal Sound Test (FAST4) is effective for preschool hearing screening in children over 4 years old, showing results comparable to pure tone audiometry (PTA). Further improvements are in the mFAST model.

Keywords:
Frequency-specific Animal Sound Test (FAST4)Preschool hearing screeningScreening instrument for pediatric practice

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Area of Science:

  • Pediatric Audiology
  • Hearing Screening Technologies

Background:

  • Monitoring children's hearing is crucial from birth through school age.
  • Universal newborn hearing screening (UNHS) is standard, but ongoing assessment is vital.
  • Assessing hearing in preschool and school-aged children requires appropriate tools.

Purpose of the Study:

  • To evaluate the Frequency-specific Animal Sound Test (FAST4) for children aged 2.5–10 years.
  • To compare FAST4 hearing thresholds with pure tone audiometry (PTA).
  • To determine the clinical utility of FAST4 in pediatric settings.

Main Methods:

  • 322 children (2.6–14.1 years) and 41 adults were tested with FAST4 using animal sounds via headphones.
  • Hearing thresholds were determined for high and low frequencies using FAST4.
  • Children's hearing thresholds were also measured using PTA.

Main Results:

  • Analysis included 156 normal-hearing and hearing-impaired children, primarily over 4 years old.
  • FAST4 demonstrated comparable hearing levels to PTA in both children and adults.
  • FAST4 testing was often prematurely stopped in children younger than 4 years.

Conclusions:

  • FAST4 is a promising tool for preschool hearing screening, offering advantages in simplicity and efficiency.
  • The test can be administered by non-specialist staff.
  • An improved successor model, mFAST, has been developed.