Neuroimaging of brain changes associated with cognitive impairment in Parkinson's disease
Identifieur interne : 000F67 ( Main/Exploration ); précédent : 000F66; suivant : 000F68Neuroimaging of brain changes associated with cognitive impairment in Parkinson's disease
Auteurs : Leigh Christopher [Canada] ; Antonio P. Strafella [Canada]Source :
- Journal of Neuropsychology [ 1748-6645 ] ; 2013-09.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Brain (diagnostic imaging), Brain (pathology), Brain (physiopathology), Cognition Disorders (complications), Cognition Disorders (diagnostic imaging), Cognition Disorders (pathology), Cognition Disorders (physiopathology), Cognitive disorder, Emission tomography, Encephalon, Functional magnetic resonance imaging, Human, Humans, Nerve Fibers, Myelinated (pathology), Nerve Fibers, Unmyelinated (pathology), Neural Pathways (pathology), Neural Pathways (physiopathology), Neuroimaging, Parkinson Disease (complications), Parkinson Disease (diagnostic imaging), Parkinson Disease (pathology), Parkinson Disease (physiopathology), Parkinson disease, Radionuclide Imaging, Review, mild cognitive impairment.
- MESH :
- complications : Cognition Disorders, Parkinson Disease.
- diagnostic imaging : Brain, Cognition Disorders, Parkinson Disease.
- pathology : Brain, Cognition Disorders, Nerve Fibers, Myelinated, Nerve Fibers, Unmyelinated, Neural Pathways, Parkinson Disease.
- physiopathology : Brain, Cognition Disorders, Neural Pathways, Parkinson Disease.
- Humans, Neuroimaging, Radionuclide Imaging.
Abstract
Cognitive impairment occurs frequently in Parkinson's disease (PD) and the concept of Mild Cognitive Impairment in PD (PD‐MCI) has recently emerged. Patients with mild impairment are at risk of developing dementia, and thus it is a topic of growing interest. Many previous studies have investigated the neural correlates of cognitive impairment, in particular executive dysfunction, in PD patients without dementia using neuroimaging techniques including structural MRI, functional MRI and PET imaging. These studies, which have provided a foundation for understanding which brain regions and neurotransmitter systems may be involved in executive dysfunction in PD, will be reviewed. Recent neuroimaging studies that have used specific criteria to classify patients as PD‐MCI, in the hopes of gaining further insight into the underlying neural mechanisms will also be discussed. In particular, this review will cover key findings involving structural MRI investigating grey and white matter changes, functional MRI to examine changes in neural activation and PET imaging to investigate metabolic and neurochemical changes that have led to an improved understanding of pathology associated with executive dysfunction in PD without dementia and PD‐MCI.
Url:
- https://api-v5.istex.fr/document/402B645EF1372B85EC5901F88D2D106C87158AD4/fulltext/pdf
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4452222
DOI: 10.1111/jnp.12015
Affiliations:
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Le document en format XML
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Strafella</name><affiliation wicri:level="4"><country xml:lang="fr">Canada</country><wicri:regionArea>Division of Brain, Imaging and Behaviour – Systems Neuroscience, Toronto Western Research Institute, UHN, University of Toronto, Ontario</wicri:regionArea><orgName type="university">Université de Toronto</orgName><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Canada</country><wicri:regionArea>Research Imaging Centre, Centre for Addiction and Mental Health, University of Toronto, Ontario</wicri:regionArea><orgName type="university">Université de Toronto</orgName><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Canada</country><wicri:regionArea>Morton and Gloria Shulman Movement Disorder Unit & E.J. Safra Parkinson Disease Program, Toronto Western Hospital, UHN, University of Toronto, Ontario</wicri:regionArea><orgName type="university">Université de Toronto</orgName><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Canada</country></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Neuropsychology</title><title level="j" type="abbrev">J Neuropsychol</title><idno type="ISSN">1748-6645</idno><idno type="eISSN">1748-6653</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2013-09">2013-09</date><biblScope unit="volume">7</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="225">225</biblScope><biblScope unit="page" to="240">240</biblScope></imprint><idno type="ISSN">1748-6645</idno></series><idno type="istex">402B645EF1372B85EC5901F88D2D106C87158AD4</idno><idno type="DOI">10.1111/jnp.12015</idno><idno type="ArticleID">JNP12015</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1748-6645</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Brain (diagnostic imaging)</term><term>Brain (pathology)</term><term>Brain (physiopathology)</term><term>Cognition Disorders (complications)</term><term>Cognition Disorders (diagnostic imaging)</term><term>Cognition Disorders (pathology)</term><term>Cognition Disorders (physiopathology)</term><term>Cognitive disorder</term><term>Emission tomography</term><term>Encephalon</term><term>Functional magnetic resonance imaging</term><term>Human</term><term>Humans</term><term>Nerve Fibers, Myelinated (pathology)</term><term>Nerve Fibers, Unmyelinated (pathology)</term><term>Neural Pathways (pathology)</term><term>Neural Pathways (physiopathology)</term><term>Neuroimaging</term><term>Parkinson Disease (complications)</term><term>Parkinson Disease (diagnostic imaging)</term><term>Parkinson Disease (pathology)</term><term>Parkinson Disease (physiopathology)</term><term>Parkinson disease</term><term>Radionuclide Imaging</term><term>Review</term><term>mild cognitive impairment</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Cognition Disorders</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Brain</term><term>Cognition Disorders</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Brain</term><term>Cognition Disorders</term><term>Nerve Fibers, Myelinated</term><term>Nerve Fibers, Unmyelinated</term><term>Neural Pathways</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Brain</term><term>Cognition Disorders</term><term>Neural Pathways</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term><term>Neuroimaging</term><term>Radionuclide Imaging</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Article synthèse</term><term>Déficit cognitif léger</term><term>Encéphale</term><term>Homme</term><term>Imagerie par résonance magnétique fonctionnelle</term><term>Maladie de Parkinson</term><term>Tomoscintigraphie</term><term>Trouble cognitif</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Cognitive impairment occurs frequently in Parkinson's disease (PD) and the concept of Mild Cognitive Impairment in PD (PD‐MCI) has recently emerged. Patients with mild impairment are at risk of developing dementia, and thus it is a topic of growing interest. Many previous studies have investigated the neural correlates of cognitive impairment, in particular executive dysfunction, in PD patients without dementia using neuroimaging techniques including structural MRI, functional MRI and PET imaging. These studies, which have provided a foundation for understanding which brain regions and neurotransmitter systems may be involved in executive dysfunction in PD, will be reviewed. Recent neuroimaging studies that have used specific criteria to classify patients as PD‐MCI, in the hopes of gaining further insight into the underlying neural mechanisms will also be discussed. In particular, this review will cover key findings involving structural MRI investigating grey and white matter changes, functional MRI to examine changes in neural activation and PET imaging to investigate metabolic and neurochemical changes that have led to an improved understanding of pathology associated with executive dysfunction in PD without dementia and PD‐MCI.</div></front></TEI><affiliations><list><country><li>Canada</li></country><region><li>Ontario</li></region><settlement><li>Toronto</li></settlement><orgName><li>Université de Toronto</li></orgName></list><tree><country name="Canada"><region name="Ontario"><name sortKey="Christopher, Leigh" sort="Christopher, Leigh" uniqKey="Christopher L" first="Leigh" last="Christopher">Leigh Christopher</name></region><name sortKey="Christopher, Leigh" sort="Christopher, Leigh" uniqKey="Christopher L" first="Leigh" last="Christopher">Leigh Christopher</name><name sortKey="Strafella, Antonio P" sort="Strafella, Antonio P" uniqKey="Strafella A" first="Antonio P." last="Strafella">Antonio P. Strafella</name><name sortKey="Strafella, Antonio P" sort="Strafella, Antonio P" uniqKey="Strafella A" first="Antonio P." last="Strafella">Antonio P. Strafella</name><name sortKey="Strafella, Antonio P" sort="Strafella, Antonio P" uniqKey="Strafella A" first="Antonio P." last="Strafella">Antonio P. Strafella</name><name sortKey="Strafella, Antonio P" sort="Strafella, Antonio P" uniqKey="Strafella A" first="Antonio P." last="Strafella">Antonio P. Strafella</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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