Related Experiment Video
Updated: Apr 12, 2026
07:12
Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
Published on: January 21, 2020
8.5K
Central hypersensitivity in chronic musculoskeletal pain
Michele Curatolo1, Lars Arendt-Nielsen2
1Department of Anesthesiology and Pain Medicine, University of Washington, 1959 Northeast Pacific Street, Seattle, WA 98195, USA; Center for Sensory Motor Interaction, Department of Health Science and Technology, School of Medicine, University of Aalborg, Fredrik Bajers Vej 7, Bld. D3, Aalborg 9220, Denmark.
Summary
Clinical research shows altered central pain processing causes hypersensitivity. While methods are reliable, validating them and finding biomarkers for central hypersensitivity require further study.
Area of Science:
- Neuroscience
- Pain Medicine
- Clinical Research
Background:
- Clinical research consistently identifies alterations in central pain processing, leading to hypersensitivity.
- Existing methods for detecting widespread central hypersensitivity in humans demonstrate reliability and face validity.
- Challenges remain in establishing construct validity due to the absence of gold standards for central hypersensitivity.
Purpose of the Study:
- To highlight the need for replicating reference values in pain-free populations.
- To emphasize the necessity of research into pain biomarkers that reflect specific central hypersensitivity processes.
- To review the limited existing studies on the prognostic value of central hypersensitivity.
Main Methods:
- Review of existing clinical research on central pain processing and hypersensitivity.
- Analysis of the validity and reliability of current detection methods.
- Examination of literature regarding pain biomarkers and prognostic value.
Main Results:
- Reliable methods exist for detecting widespread central hypersensitivity, but construct validity is challenging to establish.
- Reference values in pain-free populations need replication.
- Research into specific pain biomarkers and prognostic indicators for central hypersensitivity is warranted.
Conclusions:
- Central hypersensitivity is a recognized clinical phenomenon.
- Further research is needed to validate methods, identify biomarkers, and understand prognostic implications.
- Pharmacological and non-pharmacological interventions, including psychological approaches, show potential for attenuating central hypersensitivity.
Related Concept Videos
01:44Nociception
34.9K
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.
34.9K
01:25Analgesia and Pain Management
3.1K
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...
3.1K
01:20Pain
1.9K
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...
1.9K
01:33Somatosensation
45.9K
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.
45.9K