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Related Concept Videos

Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Association Areas of the Cortex01:21

Association Areas of the Cortex

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:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Somatosensory, Motor, and Association Cortex01:23

Somatosensory, Motor, and Association Cortex

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 the...
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
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
Parallel Processing01:20

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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...

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Related Experiment Video

Updated: May 16, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Information processing architecture of functionally defined clusters in the macaque cortex.

Kelly Shen1, Gleb Bezgin, R Matthew Hutchison

  • 1Rotman Research Institute, Baycrest, Toronto, Ontario M6A 2E1, Canada. kshen@research.baycrest.org

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|December 1, 2012
PubMed
Summary
This summary is machine-generated.

Brain

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Visualization of Cortical Modules in Flattened Mammalian Cortices
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Related Experiment Videos

Last Updated: May 16, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

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Visualization of Cortical Modules in Flattened Mammalian Cortices
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Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Systems Neuroscience

Background:

  • Neuroimaging studies suggest anatomical connections constrain brain functional interactions.
  • The global organization of functional brain networks may also be influenced by structural limitations.

Purpose of the Study:

  • To investigate the degree to which functional network community structure is determined by underlying anatomical architecture.
  • To directly compare functional connectivity (FC) with directed anatomical connectivity in macaque brains.

Main Methods:

  • Utilized spontaneous blood oxygen level-dependent functional magnetic resonance imaging (BOLD-fMRI) to assess functional connectivity in macaques.
  • Derived directed anatomical connectivity from macaque axonal tract tracing studies.
  • Compared FC and anatomical connectivity patterns, including structural motifs within functional modules.

Main Results:

  • Functional connectivity (FC) increased with anatomical connection strength, with FC also present between non-anatomically connected regions.
  • Observed moderate similarity between regional FC and anatomical connectivity.
  • Identified distinct anatomical connectivity patterns within and across functional modules, supporting network partitioning.

Conclusions:

  • Resting-state BOLD-fMRI functional connectivity patterns are dictated by the underlying neuroanatomical architecture.
  • Neuroanatomical architecture contributes to global principles of functional specialization and integration in the brain.