AI Article Synopsis
- Four case studies of elderly people with hearing impairments reveal a binaural interference effect, where their performance declines when they hear sound with both ears compared to just one.
- This effect was observed through various measures, including aided speech recognition scores and brain activity patterns.
- The authors suggest that this phenomenon may be similar to binocular rivalry seen in vision, where conflicting visual inputs can lead to decreased performance.
Article Abstract
We present four case reports of elderly hearing-impaired persons demonstrating a binaural interference effect. Performance measures were poorer when stimulation was binaural than when it was monaural. In the first case the effect is shown for aided speech recognition scores. In the second case it is shown in topographic brain maps of the middle-latency auditory evoked potential. In the third and fourth cases it is shown for both aided speech recognition and the middle-latency response. The effect may be analogous to the phenomenon of binocular rivalry in the visual domain.
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