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Parameter space of the dichotic speech experiment

Bilger, Robert C. ; Speaks, Charles E.

The Journal of the Acoustical Society of America, May 2002, Vol.111(5), pp.2402-2402 [Periódico revisado por pares]

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  • Título:
    Parameter space of the dichotic speech experiment
  • Autor: Bilger, Robert C. ; Speaks, Charles E.
  • Assuntos: Program Abstracts Of The 143rd Meeting Of The Acoustical Society Of America
  • É parte de: The Journal of the Acoustical Society of America, May 2002, Vol.111(5), pp.2402-2402
  • Descrição: The experiment in which different CV nonsense syllables are presented simultaneously to each ear and the listener is asked to identify both consonants often results in more correct responses to syllables presented to the right than to the left ear, the so‐called right‐ear advantage (REA). The REA is generally interpreted as an indication that the left hemisphere processes speech more efficiently than does the right hemisphere. As the experiment is usually conducted, however, it has the parameter space of 3 (i.e., requires three numbers to completely specify the results). Using data obtained independently in each of our labs, it will be shown that the three parameters necessary to uniquely specify the results of the experiment are the probability that the (1) first response is correct; (2) first response is to the syllable presented to the right ear; and (3) second response will be incorrect given that the first response was correct. The ear advantage (R, 0, or L) is predicted to the nearest percent using the first two parameters; but, as of this moment, the exact fourfold matrix for a listener cannot be predicted.
  • Idioma: Inglês

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