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Related Concept Videos

Somatosensory, Motor, and Association Cortex01:24

Somatosensory, Motor, and Association Cortex

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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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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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Vision01:24

Vision

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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

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The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
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What is a Sensory System?01:31

What is a Sensory System?

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Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
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Related Experiment Video

Updated: Dec 26, 2025

Author Spotlight: Deciphering Neural Circuit Formation from Two-Photon Microscopy and Single Neuron Imaging
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Reflections of action in sensory cortex.

David M Schneider1

  • 1Center for Neural Science, New York University, New York, NY 10003, United States.

Current Opinion in Neurobiology
|March 15, 2020
PubMed
Summary

Our brains interpret sensory information while we move. This review explores how sensory cortex activity changes with movement and behavior in mice, detailing the neural circuits involved.

Area of Science:

  • Neuroscience
  • Sensory processing
  • Motor control

Background:

  • Sensory perception is constantly influenced by self-generated movements.
  • Brain activity in sensory areas reflects both external stimuli and internal motor states.
  • Understanding this motor-sensory integration is key to deciphering brain function.

Purpose of the Study:

  • To review recent findings on sensory cortex modulation by movement.
  • To elucidate the neural circuitry integrating motor and sensory inputs.
  • To explore the computational and perceptual consequences of this integration.

Main Methods:

  • Review of existing literature on motor-sensory integration in rodents.
  • Analysis of studies investigating sensory cortex activity during various movements.

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  • Examination of research on neural pathways connecting motor and sensory systems.

    • Main Results:

    • Sensory cortex exhibits widespread modulation across diverse movements.
    • Specific neural circuits facilitate the integration of movement-related inputs with sensory signals.
    • Motor-sensory integration plays crucial roles in perception and computation.

    Conclusions:

    • Movement profoundly shapes sensory processing in the brain.
    • Understanding motor-sensory integration provides insights into neural computation and perception.
    • Future research directions in this field are highlighted.