Cited by 758Neural dynamics and brain functionNonlinear Dynamics and Pattern FormationNeuroscience and Music Perception

Neural synchrony in cortical networks: history, concept and current status

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Uhlhaas, Peter·2009·Frontiers in Integrative Neuroscience

Abstract

Following the discovery of context-dependent synchronization of oscillatory neuronal responses in the visual system, the role of neural synchrony in cortical networks has been expanded to provide a general mechanism for the coordination of distributed neural activity patterns. In the current paper, we present an update of the status of this hypothesis through summarizing recent results from our laboratory that suggest important new insights regarding the mechanisms, function and relevance of this phenomenon. In the first part, we present recent results derived from animal experiments and mathematical simulations that provide novel explanations and mechanisms for zero and nero-zero phase lag synchronization. In the second part, we shall discuss the role of neural synchrony for expectancy during perceptual organization and its role in conscious experience. This will be followed by evidence that indicates that in addition to supporting conscious cognition, neural synchrony is abnormal in major brain disorders, such as schizophrenia and autism spectrum disorders. We conclude this paper with suggestions for further research as well as with critical issues that need to be addressed in future studies.

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Crossref · 10.3389/neuro.07.017.2009

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  • Non-Bayesian alternatives such as disordered neuromodulation, disrupted synaptic pruning, or abnormal cortical dynamics can also account for similar schizophrenia symptom profiles without invoking probabilistic inference.

    “Moreover, non-Bayesian alternatives—such as models based on disordered neuromodulation (Hu et al. 2015), disrupted synaptic pruning (Sekar et al. 2016), or abnormal cortical dynamics (Uhlhaas et al. 2009)—can also account for similar symptom profiles without invoking probabilistic inference.”

    From The myth of the Bayesian brain (2025) · cites this paper as Uhlhaas et al. 2009

    The “Neural Synchrony in Schizophrenia and Autism Spectrum Disorders” section (page unavailable) suggests that abnormal synchrony may underlie cognitive dysfunctions and certain symptoms; its “Schizophrenia” subsection links altered oscillations to auditory hallucinations. This supports abnormal cortical dynamics as a possible explanation for some symptoms, but the copy does not establish that such a model accounts for a comparable overall symptom profile or compare it with probabilistic-inference models. (LLM, conf=0.80)

    Experimental — accuracy not yet measured
  • Neural synchrony plays a key role in coordinating brain functions.

    “Neural synchrony thus appears to play a key role in coordinating brain functions.”
  • Phase synchronization depends critically on E/I balance.

    “This phenomenon depends critically on E/I balance and is thought to provide a temporal code that underpins coherent perception, thought, and action (the “binding problem”), which has now been observed within and between distributed brain structures during rest, encoding, and higher-order cognition.[54][55][56]”

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Research works printed but not linked: 2

  1. Llinas R. Pare D. (1998). Coherent oscillations in specific and nonspecific thalamo-cortical networks and their role in cognition. In Thalamus, Jones E. G., ed. (Amsterdam, Elsevier), pp. 501– 516
  2. Pikovsky A. Rosenblum M. Kurths J. (2001). Synchronization. Cambridge, Cambridge University Press

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Authors
Uhlhaas, P.
Affiliations
Goethe University Frankfurt (DE)
Corresponding author
Uhlhaas, Peter
Venue
Frontiers in Integrative Neuroscience
Published
2009
Volume
3
Pages
17-17
ISSN
1662-5145 (ISSN-L)
OpenAlex
W2123492259
Cited by
758
References
189
Citations by year
2026: 19 · 2025: 42 · 2024: 38 · 2023: 37 · 2022: 42 · 2021: 51 · 2020: 57 · 2019: 38 · 2018: 34 · 2017: 36 · 2016: 38 · 2015: 63 · 2014: 56 · 2013: 51 · 2012: 57
FWCI
24.84
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Integrative Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
  • Publication Server of Goethe University Frankfurt am Main (Goethe University Frankfurt) (submittedVersion, cc-by)
Funders
  • Deutsche Forschungsgemeinschaft
  • Bundesministerium für Bildung und Forschung (01GQ0840)
  • Max-Planck-Gesellschaft
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Physical Sciences › Computer Science › Computer Networks and Communications › Nonlinear Dynamics and Pattern Formation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
Keywords
neuronal synchronization, cortical networks, perceptual organization, expectancy, subjective experience, schizophrenia, autism spectrum disorder

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