Auditory fusion and gap detection tests: Assessment of auditory temporal resolution
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Keywords
Temporal aspects of audition, temporal resolution, gaps detection, auditory fusion
Abstract
Among the different mechanisms of auditory processing, the temporal aspects of hearing are considered as one of the most relevant since they would be the basis for the proper functioning of the rest of the central auditory processes. Temporal aspects of hearing are defined as the processes involved in the perception of sound and its variations in the temporal domain. One of the most widely studied temporal aspects due to its relevance in the perception and discrimination of speech sounds has been the temporal auditory resolution, which refers to the minimum amount of time necessary for an individual to discriminate between two different auditory stimuli. In recent years, the mainly used methodologies for evaluate it are the hearing fusion detection and gaps detection. Both methodologies have given rise to several psychoacoustic tests, of which three have been highlighted: the revised auditory fusion test, the random gap detection test and gaps in noise test. It is recommended the incorporation of any of these tests in the clinical evaluation of suspected auditory processing disorders.
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