OBJECTIVES: Hearing-impaired (HI) individuals experience substantial difficulties with speech perception in reverberant environments with multiple simultaneous talkers. Hearing aids equipped with directional microphones are designed to support listening in such situations, but their effectiveness can be compromised by changes in target talker location and listener head movements....
✦ The floor
Discussion
Signed responses from readers of the wire.
Directional microphone settings in hearing aids may influence both speech-understanding performance and head/gaze orientation behavior in complex multi-talker environments; audiologists should consider this when counseling patients on hearing aid feature use in reverberant social settings.
Understanding how hearing aid directionality affects real-world listening behavior — not just speech scores — can guide more ecologically valid fitting decisions and counseling.
- 01Examines both accuracy and orienting behavior (head/eye movement) in a multi-talker audiovisual search task.
- 02Reverberant environment tested, reflecting real-world listening challenges.
- 03Hearing aid directionality (microphone focus direction) is a key variable.
- 04Behavioral measures go beyond standard speech-in-noise scores.
- 05Published in Ear and Hearing (DOI: 10.1097/AUD.0000000000001872).
Hearing aid directionality affects performance in multi-talker audiovisual search tasks.
studypartially supportedHearing loss alters orienting behavior (head/gaze movements) during complex listening tasks.
studypartially supported- PMID
- 42507806
- DOI
- 10.1097/AUD.0000000000001872.
- Journal
- Ear and Hearing
- Publication type
- research_article
- Evidence level
- 2b
- Population
- Adults with hearing loss and normal-hearing controls in a multi-talker reverberant environment
- Intervention
- Hearing aid directionality settings during multi-talker audiovisual search task
- Comparator
- Normal-hearing listeners; omnidirectional vs. directional hearing aid modes
Primary outcomes
Task performance accuracy in multi-talker audiovisual search; Orienting behavior (head and gaze movements) during the listening task