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Regional Cortical Thinning Predicts Worsening Apathy and Hallucinations Across the Alzheimer Disease Spectrum

Objectives To examine regions of cortical thinning and cerebrospinal fluid (CSF) Alzheimer disease (AD) biomarkers associated with apathy and hallucinations in a continuum of individuals including clinically normal elderly, mild cognitive impairment, and mild AD dementia. Design Cross-sectional and... Full description

Journal Title: The American journal of geriatric psychiatry 2014, Vol.22 (11), p.1168-1179
Main Author: Donovan, Nancy J., M.D
Other Authors: Wadsworth, Lauren P., B.A , Lorius, Natacha, B.A , Locascio, Joseph J., Ph.D , Rentz, Dorene M., Psy.D , Johnson, Keith A., M.D , Sperling, Reisa A., M.D , Marshall, Gad A., M.D
Format: Electronic Article Electronic Article
Language: English
Subjects:
MRI
Quelle: Alma/SFX Local Collection
Publisher: England: Elsevier Inc
ID: ISSN: 1064-7481
Link: https://www.ncbi.nlm.nih.gov/pubmed/23890751
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title: Regional Cortical Thinning Predicts Worsening Apathy and Hallucinations Across the Alzheimer Disease Spectrum
format: Article
creator:
  • Donovan, Nancy J., M.D
  • Wadsworth, Lauren P., B.A
  • Lorius, Natacha, B.A
  • Locascio, Joseph J., Ph.D
  • Rentz, Dorene M., Psy.D
  • Johnson, Keith A., M.D
  • Sperling, Reisa A., M.D
  • Marshall, Gad A., M.D
subjects:
  • Aged
  • Alzheimer disease
  • Alzheimer Disease - cerebrospinal fluid
  • Alzheimer Disease - complications
  • Alzheimer Disease - pathology
  • Amyloid beta-Peptides - cerebrospinal fluid
  • Apathy
  • Biomarkers - cerebrospinal fluid
  • Cerebral Cortex - pathology
  • cortical thinning
  • Cross-Sectional Studies
  • CSF biomarkers
  • Female
  • hallucinations
  • Hallucinations - etiology
  • Hallucinations - pathology
  • Humans
  • Internal Medicine
  • Longitudinal Studies
  • Magnetic Resonance Imaging
  • Male
  • MRI
  • Neuroimaging
  • Neuropsychological Tests
  • Peptide Fragments - cerebrospinal fluid
  • tau Proteins - cerebrospinal fluid
ispartof: The American journal of geriatric psychiatry, 2014, Vol.22 (11), p.1168-1179
description: Objectives To examine regions of cortical thinning and cerebrospinal fluid (CSF) Alzheimer disease (AD) biomarkers associated with apathy and hallucinations in a continuum of individuals including clinically normal elderly, mild cognitive impairment, and mild AD dementia. Design Cross-sectional and longitudinal studies. Setting Fifty-seven research sites across North America. Participants Eight-hundred twelve community-dwelling volunteers; 413 participants in the CSF sub-study. Measurements Structural magnetic resonance imaging data and CSF concentrations of amyloid-β 1-42, total tau, and phosphorylated tau derived from the Alzheimer Disease Neuroimaging Initiative database were analyzed. Apathy and hallucinations were measured at baseline and over 3 years using the Neuropsychiatric Inventory-Questionnaire. General linear models and mixed effects models were used to evaluate the relationships among baseline cortical thickness in seven regions, and baseline CSF biomarkers, apathy, and hallucinations at baseline and longitudinally. Covariates included diagnosis, sex, age, apolipoprotein E genotype, premorbid intelligence, memory performance, processing speed, antidepressant use, and AD duration. Results Reduced baseline inferior temporal cortical thickness was predictive of increasing apathy over time, and reduced supramarginal cortical thickness was predictive of increasing hallucinations over time. There was no association with cortical thickness at baseline. CSF biomarkers were not related to severity of apathy or hallucinations in cross-sectional or longitudinal analyses. Conclusions These results suggest that greater baseline temporal and parietal atrophy is associated with worsening apathy and hallucinations in a large AD spectrum cohort, while adjusting for multiple disease-related variables. Localized cortical neurodegeneration may contribute to the pathophysiology of apathy and hallucinations and their adverse consequences in AD.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 1064-7481
fulltext: fulltext
issn:
  • 1064-7481
  • 1545-7214
url: Link


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titleRegional Cortical Thinning Predicts Worsening Apathy and Hallucinations Across the Alzheimer Disease Spectrum
sourceAlma/SFX Local Collection
creatorDonovan, Nancy J., M.D ; Wadsworth, Lauren P., B.A ; Lorius, Natacha, B.A ; Locascio, Joseph J., Ph.D ; Rentz, Dorene M., Psy.D ; Johnson, Keith A., M.D ; Sperling, Reisa A., M.D ; Marshall, Gad A., M.D
creatorcontribDonovan, Nancy J., M.D ; Wadsworth, Lauren P., B.A ; Lorius, Natacha, B.A ; Locascio, Joseph J., Ph.D ; Rentz, Dorene M., Psy.D ; Johnson, Keith A., M.D ; Sperling, Reisa A., M.D ; Marshall, Gad A., M.D ; Alzheimer Disease Neuroimaging Initiative
descriptionObjectives To examine regions of cortical thinning and cerebrospinal fluid (CSF) Alzheimer disease (AD) biomarkers associated with apathy and hallucinations in a continuum of individuals including clinically normal elderly, mild cognitive impairment, and mild AD dementia. Design Cross-sectional and longitudinal studies. Setting Fifty-seven research sites across North America. Participants Eight-hundred twelve community-dwelling volunteers; 413 participants in the CSF sub-study. Measurements Structural magnetic resonance imaging data and CSF concentrations of amyloid-β 1-42, total tau, and phosphorylated tau derived from the Alzheimer Disease Neuroimaging Initiative database were analyzed. Apathy and hallucinations were measured at baseline and over 3 years using the Neuropsychiatric Inventory-Questionnaire. General linear models and mixed effects models were used to evaluate the relationships among baseline cortical thickness in seven regions, and baseline CSF biomarkers, apathy, and hallucinations at baseline and longitudinally. Covariates included diagnosis, sex, age, apolipoprotein E genotype, premorbid intelligence, memory performance, processing speed, antidepressant use, and AD duration. Results Reduced baseline inferior temporal cortical thickness was predictive of increasing apathy over time, and reduced supramarginal cortical thickness was predictive of increasing hallucinations over time. There was no association with cortical thickness at baseline. CSF biomarkers were not related to severity of apathy or hallucinations in cross-sectional or longitudinal analyses. Conclusions These results suggest that greater baseline temporal and parietal atrophy is associated with worsening apathy and hallucinations in a large AD spectrum cohort, while adjusting for multiple disease-related variables. Localized cortical neurodegeneration may contribute to the pathophysiology of apathy and hallucinations and their adverse consequences in AD.
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subjectAged ; Alzheimer disease ; Alzheimer Disease - cerebrospinal fluid ; Alzheimer Disease - complications ; Alzheimer Disease - pathology ; Amyloid beta-Peptides - cerebrospinal fluid ; Apathy ; Biomarkers - cerebrospinal fluid ; Cerebral Cortex - pathology ; cortical thinning ; Cross-Sectional Studies ; CSF biomarkers ; Female ; hallucinations ; Hallucinations - etiology ; Hallucinations - pathology ; Humans ; Internal Medicine ; Longitudinal Studies ; Magnetic Resonance Imaging ; Male ; MRI ; Neuroimaging ; Neuropsychological Tests ; Peptide Fragments - cerebrospinal fluid ; tau Proteins - cerebrospinal fluid
ispartofThe American journal of geriatric psychiatry, 2014, Vol.22 (11), p.1168-1179
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descriptionObjectives To examine regions of cortical thinning and cerebrospinal fluid (CSF) Alzheimer disease (AD) biomarkers associated with apathy and hallucinations in a continuum of individuals including clinically normal elderly, mild cognitive impairment, and mild AD dementia. Design Cross-sectional and longitudinal studies. Setting Fifty-seven research sites across North America. Participants Eight-hundred twelve community-dwelling volunteers; 413 participants in the CSF sub-study. Measurements Structural magnetic resonance imaging data and CSF concentrations of amyloid-β 1-42, total tau, and phosphorylated tau derived from the Alzheimer Disease Neuroimaging Initiative database were analyzed. Apathy and hallucinations were measured at baseline and over 3 years using the Neuropsychiatric Inventory-Questionnaire. General linear models and mixed effects models were used to evaluate the relationships among baseline cortical thickness in seven regions, and baseline CSF biomarkers, apathy, and hallucinations at baseline and longitudinally. Covariates included diagnosis, sex, age, apolipoprotein E genotype, premorbid intelligence, memory performance, processing speed, antidepressant use, and AD duration. Results Reduced baseline inferior temporal cortical thickness was predictive of increasing apathy over time, and reduced supramarginal cortical thickness was predictive of increasing hallucinations over time. There was no association with cortical thickness at baseline. CSF biomarkers were not related to severity of apathy or hallucinations in cross-sectional or longitudinal analyses. Conclusions These results suggest that greater baseline temporal and parietal atrophy is associated with worsening apathy and hallucinations in a large AD spectrum cohort, while adjusting for multiple disease-related variables. Localized cortical neurodegeneration may contribute to the pathophysiology of apathy and hallucinations and their adverse consequences in AD.
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authorDonovan, Nancy J., M.D ; Wadsworth, Lauren P., B.A ; Lorius, Natacha, B.A ; Locascio, Joseph J., Ph.D ; Rentz, Dorene M., Psy.D ; Johnson, Keith A., M.D ; Sperling, Reisa A., M.D ; Marshall, Gad A., M.D
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abstractObjectives To examine regions of cortical thinning and cerebrospinal fluid (CSF) Alzheimer disease (AD) biomarkers associated with apathy and hallucinations in a continuum of individuals including clinically normal elderly, mild cognitive impairment, and mild AD dementia. Design Cross-sectional and longitudinal studies. Setting Fifty-seven research sites across North America. Participants Eight-hundred twelve community-dwelling volunteers; 413 participants in the CSF sub-study. Measurements Structural magnetic resonance imaging data and CSF concentrations of amyloid-β 1-42, total tau, and phosphorylated tau derived from the Alzheimer Disease Neuroimaging Initiative database were analyzed. Apathy and hallucinations were measured at baseline and over 3 years using the Neuropsychiatric Inventory-Questionnaire. General linear models and mixed effects models were used to evaluate the relationships among baseline cortical thickness in seven regions, and baseline CSF biomarkers, apathy, and hallucinations at baseline and longitudinally. Covariates included diagnosis, sex, age, apolipoprotein E genotype, premorbid intelligence, memory performance, processing speed, antidepressant use, and AD duration. Results Reduced baseline inferior temporal cortical thickness was predictive of increasing apathy over time, and reduced supramarginal cortical thickness was predictive of increasing hallucinations over time. There was no association with cortical thickness at baseline. CSF biomarkers were not related to severity of apathy or hallucinations in cross-sectional or longitudinal analyses. Conclusions These results suggest that greater baseline temporal and parietal atrophy is associated with worsening apathy and hallucinations in a large AD spectrum cohort, while adjusting for multiple disease-related variables. Localized cortical neurodegeneration may contribute to the pathophysiology of apathy and hallucinations and their adverse consequences in AD.
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