Cited by 496Parkinson's Disease Mechanisms and TreatmentsNeural and Behavioral Psychology StudiesDementia and Cognitive Impairment Research

Cognitive dysfunction in Parkinson's disease: the role of frontostriatal circuitry

Owen, Adrian M.·2004·The Neuroscientist

Abstract

It has been known for many years that the classic motor symptoms of Parkinson's disease are accompanied by deficits of executive function that resemble those seen after frontal lobe damage in humans. What is less clear is how different components of frontostriatal circuitry contribute to these impairments. Recently, improved methods of clinical assessment and classification, combined with novel technical approaches, such as functional neuroimaging, have led to great advances in our understanding of the fundamental mechanisms that drive frontostriatal circuitry. As a direct result, it has been possible to redefine impairments of executive function in Parkinson's disease more precisely in terms of the specific neuropsychological, neuroanatomical, and psychopharmacological mechanisms involved.

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Crossref · 10.1177/1073858404266776

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106 of 106 references verified0 citation errors · 0 not checkable

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  • Loss of dopamine in the basal ganglia impairs cognitive (executive) functions, particularly mental flexibility and set shifting related to alterations in fronto-striatal connectivity.

    “The loss of DA in the basal ganglia not only impacts automatic behavior but also impairs cognitive (executive) functions55, 56, particularly mental flexibility and set shifting related to alterations in fronto-striatal connectivity 57–59.”

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Authors
Owen, A. M.
Affiliations
MRC Cognition and Brain Sciences Unit (GB)
Corresponding author
Owen, Adrian M.
Venue
The Neuroscientist
Published
2004-12
Volume
10
Issue
6
Pages
525-537
ISSN
  • 1073-8584 (ISSN-L)
  • 1089-4098
OpenAlex
W2143726556
Cited by
496
References
106
Citations by year
2026: 15 · 2025: 6 · 2024: 8 · 2023: 11 · 2022: 19 · 2021: 14 · 2020: 17 · 2019: 17 · 2018: 17 · 2017: 26 · 2016: 33 · 2015: 33 · 2014: 23 · 2013: 43 · 2012: 28
FWCI
9.40
Type
journal article
Language
en
Open access
closed
Locations
  • The Neuroscientist (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Parkinson's disease, cognitive impairment, executive function, frontostriatal circuits, frontal lobe damage, neuropsychological assessment, functional neuroimaging, psychopharmacology, neuroanatomy
MeSH terms
Animals, Cognition, Cognition Disorders, Corpus Striatum, Dopamine, Frontal Lobe, Humans, Magnetic Resonance Imaging, Memory Disorders, Neural Pathways, Neuropsychological Tests, Parkinson Disease

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