The Buffalo Model definition of APD is, "what we do with what we hear." It is how efficiently and effectively people process what they hear. More recently, additional therapeutic measures and evaluation techniques have been added. At that time the three central tests were combined into a diagnostic battery, and the various therapeutic procedures that had been used for many years fit in neatly as effective approaches to remediate the underlying auditory processing difficulties. However, the conceptual link between these components was not made until 1986 when the Buffalo Model was conceived. Our first APD test and therapy procedure was Phonemic Synthesis in 1957, followed by the Staggered Spondaic Word (SSW) test in 1961, and the third test and therapy procedure was Speech-in-Noise in 1966. The Buffalo Model is a coherent approach to the evaluation and remediation of APD. The therapies are geared to address the underlying APD issues, which are expected not only to show improvement on retests but, more importantly, to result in improvement in the related academic and communicative problems. First, this article will discuss the Buffalo Battery of tests and relate their results to categories of APD, which in turn will point to therapies and the expected results from therapy. Over the years more and more attention has been directed toward remediation of auditory processing difficulties (Katz & Burge, 1971 Sloan, 1986 Tallal, 1996 Musiek, 1999). In the 1970s interest turned to the evaluation of APD in those who have learning and/or communicative problems (Katz & Illmer, 1972). Each test takes a different look at auditory processing and together they provide more than 30 indicators that help to identify APD and what types of problems it represents.Īudiologists have long been interested in the diagnosis of central auditory disorders starting in the days when the focus was identifying site-of-dysfunction in patients with brain lesions (Bocca et al., 1954). The Buffalo Model is a conceptualization of auditory processing disorders (APD) based on the results of a three-test battery.
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