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Neural Correlates of Concurrent Sound Perception: A Review and Guidelines for Future Research Publisher Pubmed



Gohari N1 ; Hosseini Dastgerdi Z2 ; Bernstein LJ3 ; Alain C4
Authors
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Authors Affiliations
  1. 1. Department of Audiology, School of Rehabilitation, Hamadan University of Medical Sciences, Hamadan, Iran
  2. 2. Department of Audiology, School of Rehabilitation, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Supportive Care, University Health Network, Department of Psychiatry, University of Toronto, Toronto, Canada
  4. 4. Rotman Research Institute, Baycrest Centre for Geriatric Care & Department of Psychology, University of Toronto, Canada

Source: Brain and Cognition Published:2022


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. © 2022 Elsevier Inc.
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