Cited by 70Neural dynamics and brain functionNeuroscience and Music PerceptionHemispheric Asymmetry in Neuroscience

Conscious auditory perception related to long-range synchrony of gamma oscillations

Steinmann, Saskia, Leicht, Gregor, Ertl, Matthias, Andreou, Christina, Polomac, Nenad, Westerhausen, René, Friederici, Angela D., Mulert, Christoph·2014·NeuroImage

Abstract

While the role of synchronized oscillatory activity in the gamma-band frequency range for conscious perception is well established in the visual domain, there is limited evidence concerning neurophysiological mechanisms in conscious auditory perception. In the current study, we addressed this issue with 64-channel EEG and a dichotic listening (DL) task in twenty-five healthy participants. The typical finding of DL is a more frequent conscious perception of the speech syllable presented to the right ear (RE), which is attributed to the supremacy of the contralateral pathways running from the RE to the speech-dominant left hemisphere. In contrast, the left ear (LE) input initially accesses the right hemisphere and needs additional transfer via interhemispheric pathways before it is processed in the left hemisphere. Using lagged phase synchronization (LPS) analysis and eLORETA source estimation we examined the functional connectivity between right and left primary and secondary auditory cortices in the main frequency bands (delta, theta, alpha, beta, gamma) during RE/LE-reports. Interhemispheric LPS between right and left primary and secondary auditory cortices was specifically increased in the gamma-band range, when participants consciously perceived the syllable presented to the LE. Our results suggest that synchronous gamma oscillations are involved in interhemispheric transfer of auditory information.

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Crossref · 10.1016/j.neuroimage.2014.06.012

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  • Neural synchrony correlates with conscious perception in humans.

    “Many subsequent studies demonstrated that neural synchrony also correlates with conscious perception in humans.For example, neural synchrony patterns were found to correlate with conscious recognition by subjects exposed to optical illusions [16], and conscious auditory perception was shown to be correlated with long-range synchrony of gamma oscillations [17].”

    From The electromagnetic will (2021) · cites this paper as [17]

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Authors
Steinmann, S., Leicht, G., Ertl, M., Andreou, C., Polomac, N., Westerhausen, R., Friederici, A. D., & Mulert, C.
Affiliations
  • University Medical Center Hamburg-Eppendorf (DE)
  • Haukeland University Hospital (NO)
  • Max Planck Institute for Human Cognitive and Brain Sciences (DE)
Corresponding author
Mulert, Christoph
Venue
NeuroImage
Publisher
Elsevier BV
Published
2014-10
Volume
100
Pages
435-443
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1988061580
Cited by
70
References
87
Citations by year
2026: 1 · 2025: 7 · 2024: 7 · 2023: 6 · 2022: 3 · 2021: 9 · 2020: 8 · 2019: 10 · 2018: 4 · 2017: 6 · 2016: 4 · 2015: 5
FWCI
2.79
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Digital Library (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
  • German Research Foundation (936 C6)
  • Werner Otto Stiftung, Hamburg, Germany
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hemispheric Asymmetry in Neuroscience
Keywords
gamma oscillations, interhemispheric synchronization, dichotic listening, interhemispheric transfer, auditory cortex, ear dominance, speech perception, hemispheric lateralization
MeSH terms
Adult, Auditory Cortex, Auditory Pathways, Auditory Perception, Consciousness, Dichotic Listening Tests, Electroencephalography, Female, Humans, Functional Laterality, Male, Time Factors, Gamma Rhythm

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