The Frequency (Pitch) Pattern test @ 50 years: Remembering Marilyn Pinheiro

Frank Musiek, PhD This year marks 50 years since the original article on the frequency or pitch pattern test was published in the Journal of the Acoustical Society of America (JASA). The authors of that article were Marilyn Pinheiro, a post doc student, and Paul Ptacek, a professor, both at Case Western Reserve University. The…

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Some Essential Calibration Measurements in CAPD Testing

Frank Musiek, Ph.D., University of Arizona Many years ago, in one of my first job interviews, I was asked what the difference and related implications was between electronic calibration and acoustic calibration. That question is one I never forgot because at the time, I was a little surprised. But, after thinking about it, I realized…

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The Thalamo-cortical Pathway

Frank Musiek, Ph.D.   The term thalmo-cortical pathway (TCP) is an anatomical one and one of import to audiologists. However, it seems to be a term that is not commonly used in neuroanatomy or audiology. Therefore, consistent with Pathways articles, to focus on some lesser known but important topics, a brief account of the TCP…

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Masking Level Differences (MLDs) in selected clinical populations : An overview

Frank Musiek, PhD   Background Masking level differences (MLDs), also termed bilateral masking level differences (BMLDs), were introduced to the scientific community by Ira Hirsh and J.C.R. Licklider in independent reports in 1948. Hirsh reported on MLDs for tonal stimuli and Licklider for speech stimuli. Though it is not the intent of this brief communication…

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