Cited by 92Dementia and Cognitive Impairment ResearchParkinson's Disease Mechanisms and TreatmentsNeural and Behavioral Psychology Studies

Behavioural and emotional symptoms of apathy are associated with distinct patterns of brain atrophy in neurodegenerative disorders

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Stanton, Biba R., Leigh, P. Nigel, Howard, Robert J., Barker, Gareth J., Brown, Richard G.·2013·Journal of Neurology

Abstract

Apathy is a neurocognitive syndrome of reduced goal-directed behaviour and is an important cause of disability in neurodegenerative disorders. Frontal-subcortical dysfunction is thought to be important in apathy, but the contribution of individual brain regions to different aspects of the apathy syndrome is poorly understood. We aimed to test the hypotheses that apathy in two distinct neurodegenerative disorders would be associated with frontal lobe atrophy and that reduced initiative and emotional blunting would be associated with distinct patterns of atrophy in functionally relevant brain areas. Seventeen patients with progressive supranuclear palsy (PSP) and 17 patients with Alzheimer's disease (AD) underwent structural MRI scanning at 3 T to provide data for voxel based morphometric analysis. Apathy was defined using Robert's 2009 diagnostic criteria and specific symptoms were assessed with the Apathy Inventory. Patients with and without apathy were matched for important demographic and clinical characteristics. Apathy was associated with atrophy of the ventromedial orbitofrontal cortex and left insula in both AD and PSP. Reduced initiative was specifically associated with atrophy of the anterior cingulate and ventrolateral orbitofrontal cortex whilst emotional blunting was specifically associated with atrophy of the left insula. These findings provide further support for the role of medial frontal regions and insular cortex in apathy and suggest that behavioural and emotional aspects of the apathy syndrome may have distinct neuroanatomical bases.

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Crossref · 10.1007/s00415-013-6989-9

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  • Apathy in Alzheimer's disease is associated with volume loss in anterior cingulate cortex, including reduced gray matter volume and cortical thinning.

    “Structural imaging studies report volume loss in ACC, including reduced gray matter volume (Apostolova et al., 2007; Bruen et al., 2008; Stanton et al., 2013) and cortical thinning (Tunnard et al., 2011).”
  • Apathy in Alzheimer's disease is associated with decreased insula volume.

    “Two studies report an association of apathy with decreased insula volume (Moon et al., 2014; Stanton et al., 2013) although they disagree on whether this is bilateral or unilateral.”
  • Apathy in Alzheimer's disease is associated with volume loss and/or cortical thinning in frontal cortex.

    “There are also links between apathy and volume loss and/or cortical thinning in frontal cortex (Apostolova et al., 2007; Bruen et al., 2008; Stanton et al., 2013; Tunnard et al., 2011), though there is no strict concordance on the specific regions of frontal cortex which include medial, lateral, and orbital regions.”
  • Reduced initiative in Alzheimer's disease is associated with volume loss in anterior cingulate cortex.

    “Two studies have endeavored to map specific subdomains of apathy (i.e., reduced initiative, emotional blunting, or lack of initiative) to neuroimaging findings in specific brain regions (Benoit et al., 2004; Stanton et al., 2013), with the only notable finding being that reduced initiative was associated with volume loss in ACC.”

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Authors
Stanton, B. R., Leigh, P. N., Howard, R. J., Barker, G. J., & Brown, R. G.
Affiliations
  • Royal Free London NHS Foundation Trust (GB)
  • Brighton and Sussex Medical School (GB)
  • King's College London (GB)
Corresponding author
Brown, Richard G.
Venue
Journal of Neurology
Published
2013-06-23
Volume
260
Issue
10
Pages
2481-2490
ISSN
  • 0012-1037 (ISSN-L)
  • 0340-5354
  • 1432-1459
OpenAlex
W2076785018
Cited by
92
References
49
Citations by year
2026: 3 · 2025: 4 · 2024: 4 · 2023: 5 · 2022: 12 · 2021: 8 · 2020: 6 · 2019: 9 · 2018: 6 · 2017: 11 · 2016: 10 · 2015: 9 · 2014: 5
FWCI
5.66
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Research Portal (King's College London) (submittedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
apathy, neurodegenerative diseases, progressive supranuclear palsy, Alzheimer's disease, brain atrophy, frontal lobe atrophy, orbitofrontal cortex, insula, anterior cingulate cortex, emotional blunting, goal-directed behavior, voxel-based morphometry
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Analysis of Variance, Atrophy, Behavioral Symptoms, Brain, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Mental Status Schedule, Middle Aged, Supranuclear Palsy, Progressive, Apathy

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