Cognitive and Psychiatric Disturbances in Parkinsonian Syndromes

Richard M. Zweig, Elizabeth A. Disbrow, Vijayakumar Javalkar

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Parkinsonian syndromes share clinical signs including akinesia/bradykinesia and rigidity, which are consequences of pathology involving dopaminergic substantia nigra neurons. Yet cognitive and psychiatric disturbances are common, even early in the course of disease. Executive dysfunction is often measurable in newly diagnosed Parkinson's disease. Treatment with dopaminergic medications, particularly dopamine agonists, has been associated with hallucinations and impulse control disorder. Older age, presence of APOE-4 gene, and/or other factors result in amyloid plaque deposition that, in turn, accelerates cortical Lewy body plus tau pathology, linking Dementia with Lewy Bodies and Parkinson's disease with early dementia with Alzheimer's disease. Treatments available for cognitive deficits, depression, and psychotic symptoms are discussed.

Original languageEnglish (US)
Pages (from-to)235-246
Number of pages12
JournalNeurologic Clinics
Volume34
Issue number1
DOIs
StatePublished - Feb 1 2016
Externally publishedYes

Fingerprint

Parkinsonian Disorders
Parkinson Disease
Psychiatry
Dementia
Disruptive, Impulse Control, and Conduct Disorders
Pathology
Lewy Bodies
Hypokinesia
Hallucinations
Dopamine Agonists
Amyloid Plaques
Substantia Nigra
Alzheimer Disease
Depression
Neurons
Genes

Keywords

  • Corticobasal degeneration (CBD)
  • Dementia with Lewy Bodies (DLB)
  • Multiple System Atrophy (MSA)
  • Parkinson
  • Parkinsonian
  • Progressive Supranuclear Palsy (PSP)

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Cognitive and Psychiatric Disturbances in Parkinsonian Syndromes. / Zweig, Richard M.; Disbrow, Elizabeth A.; Javalkar, Vijayakumar.

In: Neurologic Clinics, Vol. 34, No. 1, 01.02.2016, p. 235-246.

Research output: Contribution to journalArticle

Zweig, Richard M. ; Disbrow, Elizabeth A. ; Javalkar, Vijayakumar. / Cognitive and Psychiatric Disturbances in Parkinsonian Syndromes. In: Neurologic Clinics. 2016 ; Vol. 34, No. 1. pp. 235-246.
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