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Related Experiment Videos

Dichotic paradigms in multiple sclerosis.

J T Jacobson, U Deppe, T J Murray

    Ear and Hearing
    |November 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Multiple sclerosis (MS) patients showed variable auditory processing deficits on dichotic speech tests. Brain stem lesions in MS may impact higher-order auditory function, particularly with Consonant-Vowel (CV) and Synthetic Sentence Identification (SSI) tests.

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    Area of Science:

    • Neuroscience
    • Audiology
    • Neurology

    Background:

    • Multiple sclerosis (MS) is a demyelinating disease affecting the central nervous system.
    • Auditory pathway involvement is recognized in MS, but its impact on higher-order processing requires further investigation.
    • Dichotic speech tests are sensitive tools for assessing auditory processing and brain lateralization.

    Purpose of the Study:

    • To evaluate the performance of patients with definite multiple sclerosis on three common dichotic speech paradigms.
    • To determine if brain stem lesions in MS affect higher-order auditory processing.
    • To compare the sensitivity of different dichotic tests in detecting auditory abnormalities in MS.

    Main Methods:

    • Twenty patients diagnosed with definite multiple sclerosis participated in the study.

    Related Experiment Videos

  • Three dichotic speech tests were administered: Consonant-Vowel (CV) Nonsense Syllable test, Synthetic Sentence Identification (SSI) test, and Staggered Spondaic Word (SSW) test.
  • Abnormality rates for each test were calculated and compared.

    • Main Results:

    • Variable results were observed across the three dichotic speech tests.
    • The Consonant-Vowel (CV) Nonsense Syllable test yielded the highest percentage of abnormalities.
    • The Synthetic Sentence Identification (SSI) test showed a higher abnormality rate than the Staggered Spondaic Word (SSW) test.

    Conclusions:

    • Dichotic speech testing can reveal auditory processing deficits in multiple sclerosis patients.
    • Findings suggest that brain stem lesions associated with MS may influence higher-order auditory functions.
    • The sensitivity of different dichotic tests varies, with CV and SSI tests appearing more sensitive in this MS cohort.