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Related Concept Videos

Neurons as Communicators of the Brain01:22

Neurons as Communicators of the Brain

Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Organization of the Brain01:30

Organization of the Brain

The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
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Functional Brain Systems: Reticular Formation01:13

Functional Brain Systems: Reticular Formation

The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Neuronal Communication01:28

Neuronal Communication

Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
Neuroplasticity01:01

Neuroplasticity

Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.

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Updated: May 23, 2026

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

The brain as a complex system: using network science as a tool for understanding the brain.

Qawi K Telesford1, Sean L Simpson, Jonathan H Burdette

  • 1School of Biomedical Engineering and Sciences, Virginia Tech-Wake Forest University, Winston-Salem, North Carolina, USA. qtelesfo@wakehealth.edu

Brain Connectivity
|March 22, 2012
PubMed
Summary

Network science, using graph theory, offers a powerful framework for understanding brain connectivity. Applying integrated network analyses is crucial for revolutionizing our comprehension of brain function.

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3D Scanning Technology Bridging Microcircuits and Macroscale Brain Images in 3D Novel Embedding Overlapping Protocol

Published on: May 12, 2019

Area of Science:

  • Neuroimaging
  • Network Science
  • Graph Theory

Background:

  • Network science, rooted in graph theory, has gained prominence in neuroimaging.
  • The small-world network model by Watts and Strogatz is particularly relevant for brain connectivity, balancing specialization and global efficiency.
  • The brain's complex interactions are effectively modeled as a network of specialized regions.

Purpose of the Study:

  • To highlight the significance of network science in neuroimaging.
  • To advocate for a deeper understanding and integrated application of network models in neuroscience.
  • To emphasize the shift from traditional univariate analyses to comprehensive network approaches.

Main Methods:

  • Utilizing graph metrics (clustering coefficient, path length, efficiency) to characterize network properties.
  • Employing centrality metrics (degree, betweenness, closeness, eigenvector centrality) to identify critical brain regions.
  • Analyzing community structure to understand network organization and topology.

Main Results:

  • Network science provides a robust framework for analyzing brain connectivity.
  • Integrated network analyses offer a more profound understanding of brain structure than univariate comparisons.
  • Traditional statistical methods may be less relevant for graph-theory based neuroimaging studies.

Conclusions:

  • Network science represents a paradigm shift in neuroscience, moving towards complexity science.
  • A comprehensive understanding of network models is essential for their effective application to the brain.
  • Properly applied network scientific methods have the potential to revolutionize the study of brain function.