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Updated: Aug 27, 2025

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Published on: October 29, 2018
Neural correlates of concurrent sound perception: A review and guidelines for future research
Nasrin Gohari1, Zahra Hosseini Dastgerdi2, Lori J Bernstein3
1Department of Audiology, School of Rehabilitation, Hamadan University of Medical Sciences, Hamadan, Iran.
Abstract:
The perception of concurrent sound sources depends on processes (i.e., auditory scene analysis) that fuse and segregate acoustic features according to harmonic relations, temporal coherence, and binaural cues (encompass dichotic pitch, location difference, simulated echo). The object-related negativity (ORN) and P400 are electrophysiological indices of concurrent sound perception. Here, we review the different paradigms used to study concurrent sound perception and the brain responses obtained from these paradigms. Recommendations regarding the design and recording parameters of the ORN and P400 are made, and their clinical applications in assessing central auditory processing ability in different populations are discussed.
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