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  • Title: Fundamental frequency predominantly drives talker differences in auditory brainstem responses to continuous speech.
    Author: Polonenko MJ, Maddox RK.
    Journal: JASA Express Lett; 2024 Nov 01; 4(11):. PubMed ID: 39504231.
    Abstract:
    Deriving human neural responses to natural speech is now possible, but the responses to male- and female-uttered speech have been shown to differ. These talker differences may complicate interpretations or restrict experimental designs geared toward more realistic communication scenarios. This study found that when a male talker and a female talker had the same fundamental frequency, auditory brainstem responses (ABRs) were very similar. Those responses became smaller and later with increasing fundamental frequency, as did click ABRs with increasing stimulus rates. Modeled responses suggested that the speech and click ABR differences were reasonably predicted by peripheral and brainstem processing of stimulus acoustics.
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