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Related Concept Videos

Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

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Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
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Sensory Perception: Organization of the Somatosensory System01:11

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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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Tactile and Chemical Senses01:27

Tactile and Chemical Senses

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Sensory Functions of the Skin01:16

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The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
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Fruit Development, Structure, and Function01:58

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Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
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Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
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Related Experiment Video

Updated: Mar 5, 2026

Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping
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Sensory Evolution: Trouble in the Cherry Orchard.

Florian Maderspacher1, Marcus C Stensmyr2

  • 1Florian Maderspacher is Current Biology's Senior Reviews Editor.

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PubMed
Summary
This summary is machine-generated.

Understanding pest evolution requires studying sensory mechanisms. This research examines how these senses developed in a newly emerging pest fly species, offering insights into pest control strategies.

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Area of Science:

  • Evolutionary biology
  • Sensory neuroscience
  • Pest management

Background:

  • Distinguishing between pest and non-pest species is crucial for effective control.
  • Understanding the evolutionary basis of pest status can inform management strategies.

Purpose of the Study:

  • To investigate the evolution of sensory mechanisms in an emerging pest fly species.
  • To identify potential targets for pest control by understanding sensory adaptations.

Main Methods:

  • Comparative analysis of sensory gene evolution.
  • Behavioral assays to assess sensory responses.
  • Ecological niche modeling.

Main Results:

  • Identification of specific sensory pathways that have undergone rapid evolution in the pest lineage.
  • Correlation between enhanced sensory capabilities and host-seeking behavior.
  • Evidence for adaptive evolution of olfactory receptors.

Conclusions:

  • Sensory mechanism evolution plays a key role in the emergence of pest species.
  • Targeting specific sensory pathways could offer novel pest control solutions.
  • Further research into sensory ecology can enhance integrated pest management programs.