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Related Concept Videos

Functional Brain Systems: Reticular Formation01:13

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The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
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Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:
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Related Experiment Video

Updated: Apr 7, 2026

Acute In Vivo Electrophysiological Recordings of Local Field Potentials and Multi-unit Activity from the Hyperdirect Pathway in Anesthetized Rats
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A general framework for dynamic cortical function: the function-through-biased-oscillations (FBO) hypothesis.

Gerwin Schalk1

  • 1National Center for Adaptive Neurotechnologies, Wadsworth Center, New York State Department of Health Albany, NY, USA ; Department of Biomedical Sciences, State University of New York Albany, NY, USA ; Department of Neurology, Albany Medical College Albany, NY, USA.

Frontiers in Human Neuroscience
|July 3, 2015
PubMed
Summary
This summary is machine-generated.

The brain

Keywords:
communication-through-coherencegating-by-inhibitioninformation routingoscillationsoscillatory modulation

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Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Cognitive Neuroscience

Background:

  • Understanding dynamic cortical function is a central neuroscience goal.
  • Existing frameworks like communication-through-coherence (CTC) and gating-by-inhibition (GBI) lack parsimony.
  • Current models do not fully explain how static anatomy supports task-dependent brain activity.

Purpose of the Study:

  • To propose a parsimonious model for dynamic cortical function.
  • To synthesize existing experimental data and theoretical frameworks.
  • To introduce the function-through-biased-oscillations (FBO) hypothesis.

Main Methods:

  • Synthesis of existing experimental results in neuroscience.
  • Integration of communication-through-coherence (CTC) and gating-by-inhibition (GBI) frameworks.
  • Development of the function-through-biased-oscillations (FBO) hypothesis.

Main Results:

  • Oscillatory voltage amplitude directly reflects cortical excitability.
  • Asymmetries in voltage amplitude explain various brain signal phenomena.
  • Predictive variations in asymmetric oscillations offer a model for information routing.

Conclusions:

  • The function-through-biased-oscillations (FBO) hypothesis provides a parsimonious explanation for dynamic cortical function.
  • FBO offers a general model for information routing in the brain.
  • This hypothesis integrates existing data and frameworks to explain brain signal variations.