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Related Experiment Video

Updated: Feb 17, 2026

Positron Emission Tomography Using 64-Copper as a Tracer for the Study of Copper-Related Disorders
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Cognitive impairment in Wilson's disease.

Norberto Anizio Ferreira Frota1, Paulo Caramelli2, Egberto Reis Barbosa3

  • 1MD, General Hospital of Fortaleza and Department of Neurology, University of São Paulo School Medicine, São Paulo, SP, Brazil.

Dementia & Neuropsychologia
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Summary

Wilson's disease, a genetic copper metabolism disorder, frequently causes neurological issues. This review examines cognitive impairments and dementia in Wilson's disease patients.

Keywords:
Wilson's diseasecognitiondementia

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Area of Science:

  • Neurology
  • Genetics
  • Metabolic Disorders

Background:

  • Wilson's disease (hepatolenticular degeneration) is a rare genetic disorder characterized by copper metabolism deficits.
  • Copper accumulation primarily affects the liver and central nervous system, particularly the basal ganglia.
  • Neurological symptoms manifest in about 50% of patients, often in their second or third decade of life.

Purpose of the Study:

  • To review the spectrum of cognitive changes observed in Wilson's disease patients.
  • To investigate the occurrence and characteristics of dementia in individuals with Wilson's disease.

Main Methods:

  • Literature review of studies on Wilson's disease and cognitive function.
  • Analysis of reported cognitive impairments, including memory, and dementia.

Main Results:

  • Neurological signs like dystonia and dysarthria are common.
  • Cognitive impairments, notably memory changes, are frequently reported.
  • Dementia can occur in untreated cases of Wilson's disease.

Conclusions:

  • Cognitive dysfunction is a significant feature of Wilson's disease.
  • Early recognition and management of cognitive changes are crucial.
  • Further research into the mechanisms and treatment of cognitive decline in WD is warranted.