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Spontaneous Activity, Models of

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Encyclopedia of Computational Neuroscience

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Synonyms

Models of ongoing activity; Models of resting-state activity

Definition

Whole-brain computational models of the spontaneous dynamics of coupled brain areas. These models are useful to investigate the origin of ongoing fluctuations observed in brain activity during rest and their correlation structure.

Detailed Description

A growing body of neuroimaging research has revealed that during rest the brain exhibits spontaneous fluctuations in neural activity. These fluctuations emerge spontaneously during quiet wakeful rest and vanish either when triggered by a task or when falling asleep. This type of spontaneous activity has been mostly detected in the blood-oxygen level-dependent (BOLD) signal using functional magnetic resonance imaging (fMRI) (Biswal et al. 1995). Explorations into the spatial organization of these spontaneous activations have revealed the existence of correlated activity (or functional connectivity) between spatially segregated brain areas. These functional...

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References

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Author information

Authors and Affiliations

  1. Theoretical and Computational Neuroscience Group, Center for Brain and Cognition, Universitat Pompeu Fabra, Roc Boronat 138, 08018, Barcelona, Spain

    Joana Cabral & Prof. Dr. Gustavo Deco

  2. ICREA, Institució Catalana de Recerca i Estudis Avançats, Roc Boronat 138, 08018, Barcelona, Spain

    Prof. Dr. Gustavo Deco

Authors
  1. Joana Cabral
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  2. Prof. Dr. Gustavo Deco
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Corresponding author

Correspondence to Joana Cabral .

Editor information

Editors and Affiliations

  1. Atlanta, Georgia, USA

    Dieter Jaeger

  2. Department of Biomedical Engineering, Florida International University, Miami, Florida, USA

    Ranu Jung

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© 2014 Springer Science+Business Media New York

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Cabral, J., Deco, G. (2014). Spontaneous Activity, Models of. In: Jaeger, D., Jung, R. (eds) Encyclopedia of Computational Neuroscience. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7320-6_584-1

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  • DOI: https://doi.org/10.1007/978-1-4614-7320-6_584-1

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  • Publisher Name: Springer, New York, NY

  • Online ISBN: 978-1-4614-7320-6

  • eBook Packages: Springer Reference Biomedicine and Life SciencesReference Module Biomedical and Life Sciences

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