[HTML][HTML] Earliest accumulation of β-amyloid occurs within the default-mode network and concurrently affects brain connectivity

S Palmqvist, M Schöll, O Strandberg, N Mattsson… - Nature …, 2017 - nature.com
It is not known exactly where amyloid-β (Aβ) fibrils begin to accumulate in individuals with
Alzheimer's disease (AD). Recently, we showed that abnormal levels of Aβ42 in …

Amyloid plaques disrupt resting state default mode network connectivity in cognitively normal elderly

YI Sheline, ME Raichle, AZ Snyder, JC Morris… - Biological …, 2010 - Elsevier
BACKGROUND: Important functional connections within the default mode network (DMN)
are disrupted in Alzheimer's disease (AD), likely from amyloid-beta (Aβ) plaque-associated …

Resting state functional connectivity in preclinical Alzheimer's disease

YI Sheline, ME Raichle - Biological psychiatry, 2013 - Elsevier
There has been a dramatic increase in the number of studies using resting state functional
magnetic resonance imaging (rs-fMRI), a recent addition to imaging analysis techniques …

[PDF][PDF] Amyloid deposition is associated with impaired default network function in older persons without dementia

RA Sperling, PS LaViolette, K O'Keefe, J O'Brien… - Neuron, 2009 - cell.com
Alzheimer's disease (AD) has been associated with functional alterations in a distributed
network of brain regions linked to memory function, with a recent focus on the cortical …

Relationships between beta-amyloid and functional connectivity in different components of the default mode network in aging

EC Mormino, A Smiljic, AO Hayenga… - Cerebral …, 2011 - academic.oup.com
Although beta-amyloid (Aβ) deposition is a characteristic feature of Alzheimer's disease
(AD), this pathology is commonly found in elderly normal controls (NC). The pattern of Aβ …

Intrinsic connectivity networks in healthy subjects explain clinical variability in Alzheimer's disease

M Lehmann, CM Madison, PM Ghosh… - Proceedings of the …, 2013 - National Acad Sciences
Although previous studies have emphasized the vulnerability of the default mode network
(DMN) in Alzheimer's disease (AD), little is known about the involvement of other functional …

Effects of beta-amyloid on resting state functional connectivity within and between networks reflect known patterns of regional vulnerability

JA Elman, CM Madison, SL Baker, JW Vogel… - Cerebral …, 2016 - academic.oup.com
Beta-amyloid (Aβ) deposition is one of the hallmarks of Alzheimer's disease (AD). However,
it is also present in some cognitively normal elderly adults and may represent a preclinical …

Age-related changes in the default mode network are more advanced in Alzheimer disease

DT Jones, MM Machulda, P Vemuri, EM McDade… - Neurology, 2011 - AAN Enterprises
Objective: To investigate age-related default mode network (DMN) connectivity in a large
cognitively normal elderly cohort and in patients with Alzheimer disease (AD) compared with …

[HTML][HTML] Aβ-induced vulnerability propagates via the brain's default mode network

TA Pascoal, S Mathotaarachchi, MS Kang… - Nature …, 2019 - nature.com
The link between brain amyloid-β (Aβ), metabolism, and dementia symptoms remains a
pressing question in Alzheimer's disease. Here, using positron emission tomography ([18F] …

Loss of functional connectivity is greater outside the default mode network in nonfamilial early-onset Alzheimer's disease variants

M Lehmann, C Madison, PM Ghosh, ZA Miller… - Neurobiology of …, 2015 - Elsevier
The common and specific involvement of brain networks in clinical variants of Alzheimer's
disease (AD) is not well understood. We performed task-free (“resting-state”) functional …