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  • Title: An alternate approach to constructing distortion product otoacoustic emission (DPOAE) suppression tuning curves.
    Author: Johnson TA, Neely ST, Dierking DM, Hoover BM, Gorga MP.
    Journal: J Acoust Soc Am; 2004 Dec; 116(6):3263-6. PubMed ID: 15658675.
    Abstract:
    DPOAE suppression tuning curves (STCs) typically are constructed using suppression criteria of 3 or 6 dB. This paper describes a technique for generating DPOAE STCs using criteria ranging from 3 dB to complete suppression. The criterion effect was examined at various primary levels (f2 = 4 kHz) in normal-hearing ears. As expected, QERB and tip-to-tail differences decreased as probe level (L2) increased. QERB values were not systematically dependent on criterion. For low L2’s, tip-to-tail differences decreased as criterion increased. Given similarities in methodology, DPOAE STCs constructed from completely suppressed responses might be most appropriate for comparison to psychophysical tuning curves.
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