dichotic listening


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dichotic listening

[di¦käd·ik ′lis·ən·iŋ]
(acoustics)
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Performance deficits among the blast-exposed group were not universal, in that there were no between-group differences in the percentage of individuals with abnormal performance on measures of dichotic listening (Dichotic Digits Test) [25] and temporal pattern perception (Frequency Patterns Test) [26].
In dichotic listening, each ear is presented with a different syllable at the same time (one to the left and one to the right ear) and the listener has to say which syllable seems clearest.
Differential attention effects on dichotic listening.
Psychopathy and perceptual asymmetry during verbal dichotic listening.
Wallin cites Todanubo Tsunoda's by now classic dichotic listening experiments, which show that Japanese subjects process Western music in the right hemisphere but Japanese traditional music in the left, whereas Westerners process both kinds of music in the right hemisphere.
The exact central auditory tests given varied depending on the Veterans' history and report, as well as their performance throughout testing, but generally included at least one test from each of the following categories: auditory temporal processing (Random Gap Detection Test, Gaps in Noise Test), auditory temporal patterning (Pitch Pattern and Duration Pattern Sequence tests), dichotic listening (Dichotic Digits, Competing Words and Competing Sentences subtests of SCAN-A and Competing Sentences Test), monaural low-redundancy speech (low-pass filtered speech testing, QuickSIN[TM] Speech-In-Noise Test, Words in Noise, Filtered Words and Auditory Figure-Ground subtests of SCAN-A), and binaural interaction (masking level difference).
Before and immediately after the inducement of anger they measured the heart rate and arterial tension, the levels of testosterone and cortisol, and the asymmetric activation of the brain (using the dichotic listening technique), the general state of mind and the subjective experience of the anger emotion.