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Related Concept Videos

Multiple Sclerosis l: Introduction01:19

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Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
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Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function.
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Related Experiment Video

Updated: Apr 29, 2026

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
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Pain and cognition in multiple sclerosis.

Curtis Benson1, Bradley J Kerr

  • 1Centre for Neuroscience, University of Alberta, Clinical Sciences Building, 8-120, Edmonton, AB, T6G 2G3, Canada.

Current Topics in Behavioral Neurosciences
|May 23, 2014
PubMed
Summary

Pain and cognitive dysfunction in Multiple Sclerosis (MS) emerge early and are linked by inflammatory sickness behaviors. Understanding these mechanisms may improve treatments for MS patients.

Area of Science:

  • Neuroscience
  • Immunology
  • Clinical Medicine

Background:

  • Multiple Sclerosis (MS) frequently involves pain, depression, and cognitive dysfunction, significantly impairing quality of life.
  • These non-motor symptoms often appear early in MS, distinct from motor deficits.
  • Current treatments for MS-related pain and cognitive issues are limited.

Purpose of the Study:

  • To explore the mechanisms linking pain and cognitive dysfunction in MS.
  • To investigate the role of inflammatory sickness behaviors in MS symptomology.
  • To identify potential therapeutic targets for managing these debilitating symptoms.

Main Methods:

  • Utilized animal models of MS to study the onset and progression of pain and cognitive changes.
  • Examined neurobiological underpinnings including glutamate transmission, glial activation, and cytokine profiles.

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  • Analyzed the influence of immune responses and sickness behaviors on neurological function.

    • Main Results:

    • Pain and cognitive dysfunction manifest early in MS models, independent of motor impairments.
    • Central mechanisms, including glial activation and pro-inflammatory cytokines, are implicated.
    • Immune-driven sickness behaviors appear to mediate the connection between pain and cognition.

    Conclusions:

    • Inflammatory sickness behaviors represent a key link between pain and cognitive dysfunction in MS.
    • Further research into these mechanisms could reveal novel therapeutic strategies.
    • A better understanding of this symptom cluster may lead to improved patient management and quality of life.