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Related Concept Videos

Nociception01:44

Nociception

32.6K
Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
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Pain01:20

Pain

1.1K
Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
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Analgesia and Pain Management01:25

Analgesia and Pain Management

1.3K
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

10.7K
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...
10.7K
Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

7.8K
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...
7.8K
Opioid Receptors: Overview01:22

Opioid Receptors: Overview

3.5K
Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2,...
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Related Experiment Video

Updated: Dec 11, 2025

Optimizing Photoneuromodulation Techniques to Evaluate the Role of Green Light-Emitting Diodes in Pain Management
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Optimizing Photoneuromodulation Techniques to Evaluate the Role of Green Light-Emitting Diodes in Pain Management

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The Distributed Nociceptive System: A Framework for Understanding Pain.

Robert C Coghill1

  • 1Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital, OH, USA; Department of Pediatrics, University of Cincinnati, OH, USA; Center for Understanding Pediatric Pain, Cincinnati Children's Hospital, OH, USA.

Trends in Neurosciences
|August 18, 2020
PubMed
Summary
This summary is machine-generated.

Chronic pain is difficult to treat due to a poor understanding of how the nervous system processes pain signals. A new framework, the distributed nociceptive system, explains how widespread neural activity creates resilient pain experiences, guiding new therapies.

Keywords:
bilateralbiomarkersnociceptionpainpopulation codingrecruitment

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Area of Science:

  • Neuroscience
  • Pain Research
  • Systems Neuroscience

Background:

  • Chronic pain presents significant diagnostic and therapeutic challenges.
  • Limited understanding of systems-level nociceptive processing hinders effective treatment.
  • Current approaches lack a comprehensive framework for pain mechanisms.

Purpose of the Study:

  • To propose a novel framework, the distributed nociceptive system, for understanding pain mechanisms.
  • To integrate neural population coding and distributed processing concepts.
  • To provide a foundation for addressing chronic pain complexities.

Main Methods:

  • Conceptual framework development.
  • Integration of systems neuroscience principles.
  • Analysis of neural population coding and distributed processing.

Main Results:

  • The distributed nociceptive system framework explains how widespread neural engagement creates resilient representations of nociceptive information.
  • This model accounts for the robustness of pain perception despite potential neural disruptions.
  • It highlights the distributed nature of the neural systems underlying pain experience.

Conclusions:

  • The distributed nociceptive system offers a new perspective on chronic pain mechanisms.
  • This framework supports the development of targeted nonpharmacological therapies.
  • Understanding pain as a distributed process encourages innovative treatment strategies.