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Related Concept Videos

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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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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Cerebrum: Anatomical Overview II01:11

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Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
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Cerebrum: Anatomical Overview I01:26

Cerebrum: Anatomical Overview I

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The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
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Somatosensory, Motor, and Association Cortex01:23

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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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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:
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Related Experiment Video

Updated: Apr 10, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

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[Human Brain Representations of Haptic and Visual Textures].

Hiroki Yamamoto1

  • 1Graduate School of Human and Environmental Studies, Kyoto University.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|June 12, 2015
PubMed
Summary

This study reveals how the brain processes texture through vision and touch, finding shared brain regions for both senses. This shows crossmodal integration in texture perception.

Area of Science:

  • Neuroscience
  • Cognitive Science

Context:

  • Investigating the neural mechanisms of sensory integration.
  • Understanding how the brain processes texture information from different modalities.

Purpose:

  • To review functional brain imaging studies on haptic and visual texture perception.
  • To present findings from a functional magnetic resonance imaging (fMRI) experiment on crossmodal links between vision and touch.

Summary:

  • An fMRI experiment examined brain activity when subjects viewed or touched wool or denim.
  • Multivoxel pattern analysis revealed that visual texture activates somatosensory and association cortices, while haptic texture activates visual and association cortices.
  • Shared representations for visuo-haptic texture perception were identified in parietal association, somatosensory, and visual cortices.

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Related Experiment Videos

Last Updated: Apr 10, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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Adaptation of a Haptic Robot in a 3T fMRI
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Impact:

  • Demonstrates the crossmodal nature of natural texture perception.
  • Suggests crossmodal transfer of texture information across segregated brain regions.
  • Provides insights into the neural basis of texture perception and its aesthetic qualities.