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Related Experiment Videos

Computed tomography brain changes in parkinsonian dementia.

R Inzelberg1, T Treves, I Reider

  • 1Department of Neurology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel.

Neuroradiology
|January 1, 1987
PubMed
Summary

Age significantly impacts brain atrophy in Parkinson's disease (PD) patients. Motor decline, more than cognitive decline, correlates with cortical atrophy, suggesting subcortical changes contribute to PD dementia.

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Area of Science:

  • Neurology
  • Neuroimaging
  • Geriatrics

Background:

  • Parkinson's disease (PD) is a neurodegenerative disorder affecting motor and cognitive functions.
  • Brain atrophy is a common finding in PD, but its relationship with functional decline requires further elucidation.
  • Understanding these relationships is crucial for managing PD progression.

Purpose of the Study:

  • To investigate the association between brain atrophy and motor/cognitive function in Parkinson's disease.
  • To identify factors influencing brain atrophy in PD patients.
  • To determine the differential impact of motor versus cognitive decline on brain structure.

Main Methods:

  • Computed tomography (CT) scans were analyzed in 132 consecutive Parkinson's disease patients.

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  • Intercorrelations and variance analysis were used to compare CT findings with motor and cognitive assessments.
  • Age was considered as a potential confounding factor.

    • Main Results:

    • Age was identified as the primary factor associated with brain atrophy in PD.
    • After accounting for age, motor and cognitive functions showed interdependence and affected similar CT parameters.
    • Motor decline demonstrated a stronger correlation with brain atrophy, specifically cortical atrophy, compared to cognitive decline.

    Conclusions:

    • Brain atrophy in Parkinson's disease is significantly influenced by age.
    • Motor decline plays a more prominent role in cortical atrophy than cognitive decline.
    • The findings support the hypothesis that subcortical changes are fundamental to the dementia observed in Parkinson's disease.