2014 Fiscal Year Final Research Report
Auditory temporal resolution using categorical perception with or without hearing loss
| Project/Area Number |
23791883
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Otorhinolaryngology
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| Research Institution | Niigata University |
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Principal Investigator |
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| Project Period (FY) |
2011-04-28 – 2015-03-31
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| Keywords | 聴覚時間分解能 |
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| Outline of Final Research Achievements |
Acoustic stimulus presentation was designed as mentioned below. Acoustic stimuli of 500ms were included gaps ranging from 5 to 70 ms in duration were placed in two positions in wideband noise bursts with the leading noise of 5ms and the trailing noise. Of sound A and B, the gap duration was defined as 5ms and 70ms. The gap duration of Sound X was variable from 5 to 70ms at 5ms intervals. Gap detection was studied using sound presentation of A-B-X and B-A-X to young humans without hearing loss, when sound X was recognized as sound B. Threshold of gap detection was resulted in 25ms in both methods A-B-X and B-A-X. This result is similar to that of categorical perception using /ba/-/pa/ sound stimuli. Therefore, it was considered these acoustic stimuli using wideband noise with gap was appreciate to measurement of acoustic temporal resolution.
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| Free Research Field |
聴覚心理学
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