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The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
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Functional connectivity gradients of the cingulate cortex.

Yuhao Shen1,2,3, Huanhuan Cai1,2,3, Fan Mo1,2,3

  • 1Department of Radiology, The First Affiliated Hospital of Anhui Medical University, 230022, Hefei, China.

Communications Biology
|June 19, 2023
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Summary
This summary is machine-generated.

The cingulate cortex exhibits complex organization revealed by three functional connectivity gradients. These gradients map its hierarchical structure, linking function, behavior, and anatomy for neuroscience research.

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Area of Science:

  • Neuroscience
  • Neuroimaging
  • Brain Connectivity

Background:

  • The cingulate cortex displays significant heterogeneity across anatomical, functional, and connectivity dimensions.
  • Understanding this heterogeneity is crucial for mapping brain networks and associated diseases.

Purpose of the Study:

  • To investigate the hierarchical organization of the cingulate cortex using functional connectivity gradients.
  • To identify distinct organizational principles within the cingulate cortex.

Main Methods:

  • Utilized resting-state functional MRI (fMRI) data.
  • Applied the functional connectivity gradient approach to analyze cingulate cortex organization.
  • Correlated gradients with functional networks, behavior, and cortical morphology.

Main Results:

  • Identified three primary functional connectivity gradients within the cingulate cortex.
  • The principal gradient showed a radiating organization linked to functional networks and behavior.
  • Second and third gradients revealed anterior-posterior organization and differentiation related to morphology.

Conclusions:

  • The cingulate cortex possesses a hierarchical organization defined by distinct functional connectivity gradients.
  • These findings offer a new framework for understanding cingulate heterogeneity.
  • The identified gradients may serve as a basis for future basic and clinical neuroscience research.