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  • Title: The dichotic rhyme task: results in split-brain patients.
    Author: Musiek FE, Kurdziel-Schwan S, Kibbe KS, Gollegly KM, Baran JA, Rintelmann WF.
    Journal: Ear Hear; 1989 Feb; 10(1):33-9. PubMed ID: 2721826.
    Abstract:
    Monosyllabic rhyme words were dichotically presented to normal and complete split-brain subjects. In the normal adult population, only one of the words in the dichotic condition was identified. Hence, normal performance was about 50%, with a small but significant right-ear advantage. The split-brain patients yielded the expected marked left deficit, as seen on other dichotic speech tests, and demonstrated a right-ear enhancement, producing a large interear difference. This right-ear enhancement on the dichotic rhyme task (DRT) may suggest a release from central auditory competition in the left hemisphere. The dichotic rhyme task's normative data results and sensitivity to lack of callosal transmission make it worthy of further clinical and basic research.
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