Peripheral versus central processing of a gap between two complex tones in young and old adults
Keywords:Audition, Frequency modulation, Information analysis, Signal processing, Signal to noise ratio, Spectrum analysis, Speech intelligibility, Spurious signal noise, Auditory channels, Gap detection, Older adults, Spectral resolution
AbstractThe age differences in gap detection performance between two complex tones in young and old adults is discussed. In a gap detection task, the listener is asked to detect a period of silence between two sounds, the leading and lagging marker. The spectral content of the two markers does not overlap but detect a gap between different auditory channel. The results show that gap detection threshold are only elevated when the two markers do not share a common frequencies and have identifiably different fundamental frequencies.
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