Cited by 210Pain Mechanisms and TreatmentsIon Channels and ReceptorsPain Management and Treatment

Normal and abnormal coding of somatosensory stimuli causing pain

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Prescott, Steven A, Ma, Qiufu, De Koninck, Yves·2014·Nature Neuroscience

Abstract

Noxious stimuli usually cause pain and pain usually arises from noxious stimuli, but exceptions to these apparent truisms are the basis for clinically important problems and provide valuable insight into the neural code for pain. In this Review, we discuss how painful sensations arise. We argue that, although primary somatosensory afferents are tuned to specific stimulus features, natural stimuli often activate more than one type of afferent. Manipulating coactivation patterns can alter perception in ways that argue against each type of afferent acting independently (as expected for strictly labeled lines), suggesting instead that signals conveyed by different types of afferents interact. Deciphering the central circuits that mediate those interactions is critical for explaining the generation and modulation of neural signals that ultimately elicit pain. The advent of genetic and optical dissection techniques promise to dramatically accelerate progress toward this goal, which will facilitate the rational design of future pain therapeutics.

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  • Many studies have investigated the relationship between optogenetic stimulation and neurological disorders and control, including Parkinson's, Alzheimer's, spinal cord injuries, and somatosensory nociception, which relate to prosthetic control, feedback, and human movement rehabilitation.

    “Many studies have delved into the relationship between optogenetic stimulation and neurological disorders and control, such as Parkinson's,[557] Alzheimer's,[558] spinal cord injuries,[559] and somatosensory nociception,[560,561] which have indistinguishable relationship with prosthetic control, feedback, and human movement rehabilitation.”
  • Nerve injury induces hyperexcitability, causing functional alterations such as loss of function of inhibitory neurons in the dorsal horn, and results in neuropathic pain.

    “Nerve injury induces hyperexcitability, thereby causing functional alterations in the neuronal network such as loss of function of inhibitory neurons in the dorsal horn, and results in neuropathic pain (Prescott et al, 2014;Todd, 2010).”

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Authors
Prescott, S. A., Ma, Q., & De Koninck, Y.
Affiliations
  • University of Toronto (CA)
  • Harvard University (US)
Corresponding author
Prescott, Steven A
Venue
Nature Neuroscience
Published
2014-01-28
Volume
17
Issue
2
Pages
183-191
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2028575493
Cited by
210
References
106
Citations by year
2026: 14 · 2025: 13 · 2024: 16 · 2023: 16 · 2022: 15 · 2021: 18 · 2020: 10 · 2019: 10 · 2018: 31 · 2017: 14 · 2016: 24 · 2015: 21 · 2014: 7
FWCI
2.58
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • Canadian Institutes of Health Research (MOP12942)
  • National Institute of Neurological Disorders and Stroke (P01NS072040, R01NS086372, R01NS047710, R21NS074146, R01NS076706, P01 NS0272040)
  • National Institute of Dental and Craniofacial Research (R01DE018025)
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
  • Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
Keywords
pain, somatosensory afferents, neural coding, noxious stimuli, labeled lines, pain perception, pain modulation, pain therapeutics
MeSH terms
Afferent Pathways, Animals, Humans, Models, Biological, Nociceptors, Pain, Perception, Physical Stimulation

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