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Related Concept Videos

Somatosensation01:33

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
Anatomy of the Brain: Major Regions01:20

Anatomy of the Brain: Major Regions

The brain is the most complex organ in the human body. It consists of four main parts: the cerebrum, diencephalon, cerebellum, and brainstem.
The cerebrum is the largest section of the brain and divides into left and right hemispheres, separated by a deep fissure. The cerebral outer layer of grey matter — the cerebral cortex — comprises elevations called gyri and shallow groves called sulci. The inner portion of white matter includes long nerve fibers known as axons, which connect various areas...
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,...
Cerebellum: Anatomical Regions01:17

Cerebellum: Anatomical Regions

The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
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...

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Related Experiment Video

Updated: Jul 1, 2026

Revealing Neural Circuit Topography in Multi-Color
09:11

Revealing Neural Circuit Topography in Multi-Color

Published on: November 14, 2011

Category-specific cortical mapping: color-naming areas.

Franck-Emmanuel Roux1, Vincent Lubrano, Valérie Lauwers-Cances

  • 1Institut National de la Santé et de la Recherche Médicale, Unité 455, Toulouse, France. rouxfran@compuserve.com

Journal of Neurosurgery
|March 3, 2006
PubMed
Summary
This summary is machine-generated.

Electrical stimulation mapping revealed relative specialization within language areas for color naming. This study investigated category-specific cortical organization by comparing object and color naming tasks in patients with brain tumors.

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Training Synesthetic Letter-color Associations by Reading in Color
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Training Synesthetic Letter-color Associations by Reading in Color

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Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
13:12

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping

Published on: August 12, 2019

Related Experiment Videos

Last Updated: Jul 1, 2026

Revealing Neural Circuit Topography in Multi-Color
09:11

Revealing Neural Circuit Topography in Multi-Color

Published on: November 14, 2011

Training Synesthetic Letter-color Associations by Reading in Color
10:27

Training Synesthetic Letter-color Associations by Reading in Color

Published on: February 21, 2014

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
13:12

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping

Published on: August 12, 2019

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neurolinguistics

Background:

  • Hypotheses suggest language areas exhibit specialization for specific lexical categories.
  • Understanding this organization is crucial for preserving cortical function during neurosurgery.

Purpose of the Study:

  • To investigate the potential specialization of cortical language areas for color naming.
  • To compare object naming with color naming tasks using electrical stimulation mapping.

Main Methods:

  • Studied 36 patients undergoing electrical stimulation mapping for brain tumors.
  • Utilized object-naming, color-naming, and reading tasks.
  • Assessed modality specificity by testing auditory color naming.

Main Results:

  • Significant color-naming interferences observed in Broca and Wernicke areas, with some sites outside these regions.
  • Color-naming interferences localized to small cortical areas (< 1 cm2).
  • Identified 13 color-specific naming areas in 10 patients, showing anatomical segregation.

Conclusions:

  • Electrical stimulation mapping demonstrates relative specialization of cortical language areas for color naming.
  • Individual variability in language organization is significant.
  • Modality-specific areas for color naming can be identified.