Assessment of Binaural and Spatial Hearing

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Recent research in the area of binaural and spatial hearing has been marked by the introduction of a number of new test procedures and test systems. The development of these systems and procedures to evaluate sound source localization in quiet and in noise, speech intelligibility in noise, and signal detection in quiet and in noise has been motivated by the need for better clinical tools and improved theoretical models. Several of these new tests are described in this review, and, if it has been tested, their sensitivity to the effects of hearing loss and/or auditory pathology is reported. Some of these tests are currently being evaluated for routine clinical use; others were designed strictly for measuring binaural sensitivity in a laboratory setting. The contribution of these tests to the current audiologic test battery and the use of the test results for developing focused rehabilitation strategies for individual patients is also discussed.



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