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Related Concept Videos

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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.
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A synapse is a specialized structure where two neurons connect, allowing them to pass an electrical or chemical signal to another neuron. It is the point of communication between neurons. The term "synapse" is derived from the Greek word "synapsis," which means "conjunction." The entire process of neural communication revolves around the synapse. When activated, a neuron releases chemicals known as neurotransmitters into the synapse. These neurotransmitters cross the synapse and bind to...
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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
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Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
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The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
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3D Scanning Technology Bridging Microcircuits and Macroscale Brain Images in 3D Novel Embedding Overlapping Protocol
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The Human Connectome Project: A retrospective.

Jennifer Stine Elam1, Matthew F Glasser1, Michael P Harms1

  • 1Washington University School of Medicine, St. Louis, MO, USA.

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PubMed
Summary

The Human Connectome Project (HCP) advanced neuroimaging by improving MRI/MEG data acquisition and sharing over 1100 healthy adults' brain data. This open-access approach fostered significant discoveries in brain connectivity and function.

Keywords:
BehaviorConnectivityDiffusion imagingFunctional MRIMagnetoencephalographyParcellationinformatics

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Area of Science:

  • Neuroimaging
  • Connectomics
  • Brain Mapping

Background:

  • The Human Connectome Project (HCP) aimed to advance understanding of human brain connectivity.
  • NIH funded two consortia, including the WU-Minn-Ox group, to achieve these goals.
  • Focus on healthy young adults to establish a baseline for brain function.

Observation:

  • The WU-Minn-Ox consortium significantly improved MRI hardware, pulse sequences, and image reconstruction.
  • Multimodal MRI and MEG data were acquired with unprecedented quality from over 1100 participants.
  • Behavioral data were collected alongside neuroimaging data to explore brain-behavior relationships.

Findings:

  • Over 27 Petabytes of high-quality neuroimaging and behavioral data were freely shared via ConnectomeDB.
  • The project led to improved cortical parcellations and advanced analyses of functional and diffusion MRI data.
  • 1538 publications have acknowledged the use of HCP data, demonstrating widespread impact.

Implications:

  • The "HCP-style" paradigm has become a best-practice standard for neuroimaging data acquisition and analysis.
  • Open data sharing accelerates scientific discovery and facilitates training for future neuroimagers.
  • Continued analysis of HCP data promises further insights into brain organization and function.