Related Experiment Video
Updated: May 28, 2026
07:52
An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
Published on: March 13, 2026
Firefighters' Expertise in Locating Sounds
Isabel Tissieres1,2, Stephanie Clarke1, Sonia Crottaz-Herbette1
1Service Universitaire de Neuroréhabilitation, CHUV|Centre Hospitalier Universitaire Vaudois, Faculté de Biologie et de Médecine, Université de Lausanne, 1011 Lausanne, Switzerland.
Brain Sciences
|May 27, 2026
Summary
Professional firefighters demonstrate superior sound localization skills compared to civilians, even with distracting noises. This auditory spatial cue expertise is crucial for their safety and effectiveness in low-visibility rescue operations.
Area of Science:
- Auditory perception
- Spatial cognition
- Human factors engineering
Background:
- Firefighters operate in low-visibility conditions, requiring strong spatial orientation.
- Their expertise in wayfinding is established, but auditory spatial cue utilization remains unstudied.
Purpose of the Study:
- To investigate firefighters' ability to use auditory spatial cues for sound localization.
- To compare the sound localization performance of firefighters and control groups.
Main Methods:
- Assessed sound localization accuracy in a dark environment across 9 azimuthal positions.
- Used both single, meaningless sounds and meaningful sounds with distractors.
- Analyzed localization errors using a 3-way ANOVA (Task × Position × Group).
Main Results:
- Firefighters exhibited significantly fewer localization errors than controls.
- Localization accuracy improved with central sound positions and with single, meaningless sounds.
- Firefighters showed enhanced performance at peripheral sound locations and when segregating sounds from distractors.
Conclusions:
- Professional firefighters possess superior auditory spatial cue utilization skills compared to controls.
- This expertise is vital for both explicit sound identification and implicit spatial awareness.
- Firefighter proficiency in auditory spatial localization should inform operational planning and safety protocols.
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