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[Cognitive deterioration in multiple sclerosis].

P de Castro1, A Aranguren, E Arteche

  • 1Departamento de Neurología, Clínica Universitaria de Navarra, Universidad de Navarra, Pamplona. pdecastro@unav.es

Anales Del Sistema Sanitario De Navarra
|July 16, 2003
PubMed
Summary
This summary is machine-generated.

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Cognitive deficits are a significant symptom of multiple sclerosis, impacting patients' quality of life. Neuroimaging reveals correlations between cognitive decline and brain changes like ventricular enlargement and white matter lesions.

Area of Science:

  • Neurology
  • Neuropsychology

Context:

  • Multiple sclerosis (MS) presents with diverse symptoms, including cognitive deficits impacting patient quality of life.
  • Historically, cognitive issues were conflated with general mental symptoms, but distinct differentiation emerged in the 1970s.
  • Cognitive impairment in MS is variable, often insidious in early stages, worsening with disease progression.

Purpose:

  • To elucidate the nature and progression of cognitive deficits in multiple sclerosis.
  • To differentiate cognitive decline from affective disorders in MS.
  • To explore correlations between cognitive impairment and neuroimaging findings in MS patients.

Summary:

  • Cognitive deterioration in MS is non-uniform, typically mild and insidious early on, but can advance to subcortical dementia-like symptoms.

Related Experiment Videos

  • Symptoms include intellectual slowness, attention deficits, impaired abstract reasoning, problem-solving difficulties, and memory dysfunction.
  • Advanced stages show significant cognitive decline due to widespread axonal loss and white matter lesions, deafferenting cortical association areas.

    • Impact:

    • Neuroimaging techniques correlate cognitive decline with increased ventricular size, periventricular lesions, and corpus callosum atrophy.
    • No clear correlation exists between cognitive deterioration and independent variables like demographics, clinical course, mood, medication, or fatigue.
    • Disease duration and lesion accumulation are linked to greater cognitive deterioration, highlighting the progressive nature of MS-related cognitive impairment.