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Related Concept Videos

Association Areas of the Cortex01:21

Association Areas of the Cortex

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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:
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,...
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Somatosensory, Motor, and Association Cortex01:24

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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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Motor and Sensory Areas of the Cortex01:14

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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....
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Lobes of the Cerebrum01:22

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The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
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Organization of the Brain01:30

Organization of the Brain

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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.
Hindbrain
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Somatosensation01:33

Somatosensation

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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.
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Related Experiment Video

Updated: Oct 29, 2025

Chronic Implantation of Whole-cortical Electrocorticographic Array in the Common Marmoset
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Untangling the Animacy Organization of Occipitotemporal Cortex.

J Brendan Ritchie1, Astrid A Zeman2, Joyce Bosmans3

  • 1Laboratory of Biological Psychology, Department of Brain and Cognition, Leuven Brain Institute, Katholieke Universiteit Leuven, 3000 Leuven, Belgium j.brendan.w.ritchie@gmail.com.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|July 7, 2021
PubMed
Summary

Functional specializations in the human brain

Keywords:
animacybodiescategory selectivitydeep learningfacesoccipitotemporal cortex

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computer Vision

Background:

  • The occipitotemporal cortex (OTC) shows functional specializations for visual categories like faces and bodies.
  • OTC organization is proposed to reflect stimulus animacy, possibly via a taxonomic hierarchy.
  • The role of face/body selectivity versus taxonomic relations in OTC animacy organization is debated.

Purpose of the Study:

  • To investigate the independent contributions of face/body selectivity and taxonomic hierarchy to OTC animacy organization.
  • To examine if these organizational principles are reflected in deep neural networks (DNNs).

Main Methods:

  • Human functional magnetic resonance imaging (fMRI) was used to study brain activity.
  • Analysis focused on visual selectivity and spatial clustering in the OTC.
  • Deep neural networks were analyzed for comparison.

Main Results:

  • Graded visual selectivity based on resemblance to faces and bodies was observed.
  • This resemblance accounted for the apparent animacy continuum in the OTC.
  • Taxonomy did not emerge as a separate organizing factor.

Conclusions:

  • The organization of the ventral visual pathway by animacy appears to be driven by visual resemblance to faces and bodies, not an independent taxonomic hierarchy.
  • These findings challenge the notion of a distinct taxonomic representation in OTC's animacy organization.