Abstract:
:Biomarkers in whichever modality are tremendously important in diagnosing of disease, tracking disease progression and clinical trials. This applies in particular for disorders with a long disease course including pre-symptomatic stages, in which only subtle signs of clinical progression can be observed. Magnetic resonance imaging (MRI) biomarkers hold particular promise due to their relative ease of use, cost-effectiveness and non-invasivity. Studies measuring resting-state functional MR connectivity have become increasingly common during recent years and are well established in neuroscience and related fields. Its increasing application does of course also include clinical settings and therein neurodegenerative diseases. In the present review, we critically summarise the state of the literature on resting-state functional connectivity as measured with functional MRI in neurodegenerative disorders. In addition to an overview of the results, we briefly outline the methods applied to the concept of resting-state functional connectivity. While there are many different neurodegenerative disorders cumulatively affecting a substantial number of patients, for most of them studies on resting-state fMRI are lacking. Plentiful amounts of papers are available for Alzheimer's disease (AD) and Parkinson's disease (PD), but only few works being available for the less common neurodegenerative diseases. This allows some conclusions on the potential of resting-state fMRI acting as a biomarker for the aforementioned two diseases, but only tentative statements for the others. For AD, the literature contains a relatively strong consensus regarding an impairment of the connectivity of the default mode network compared to healthy individuals. However, for AD there is no considerable documentation on how that alteration develops longitudinally with the progression of the disease. For PD, the available research points towards alterations of connectivity mainly in limbic and motor related regions and networks, but drawing conclusions for PD has to be done with caution due to a relative heterogeneity of the disease. For rare neurodegenerative diseases, no clear conclusions can be drawn due to the few published results. Nevertheless, summarising available data points towards characteristic connectivity alterations in Huntington's disease, frontotemporal dementia, dementia with Lewy bodies, multiple systems atrophy and the spinocerebellar ataxias. Overall at this point in time, the data on AD are most promising towards the eventual use of resting-state fMRI as an imaging biomarker, although there remain issues such as reproducibility of results and a lack of data demonstrating longitudinal changes. Improved methods providing more precise classifications as well as resting-state network changes that are sensitive to disease progression or therapeutic intervention are highly desirable, before routine clinical use could eventually become a reality.
journal_name
Neuroimage Clinjournal_title
NeuroImage. Clinicalauthors
Hohenfeld C,Werner CJ,Reetz Kdoi
10.1016/j.nicl.2018.03.013subject
Has Abstractpub_date
2018-03-16 00:00:00pages
849-870issn
2213-1582pii
S2213-1582(18)30083-4journal_volume
18pub_type
杂志文章,评审abstract::Learning impairment is a core deficit in schizophrenia that impacts on real-world functioning and yet, elucidating its underlying neural basis remains a challenge. A key issue when interpreting learning-task experiments is that task-independent changes may confound interpretation of task-related signal changes in neur...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2015.11.016
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abstract::In order to analyze functional connectivity in untreated and treated patients with schizophrenia, resting-state fMRI data were obtained for whole-brain functional connectivity analysis from 22 first-episode neuroleptic-naïve schizophrenia (NNS), 61 first-episode neuroleptic-treated schizophrenia (NTS) patients, and 60...
journal_title:NeuroImage. Clinical
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journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2019.101899
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journal_title:NeuroImage. Clinical
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journal_title:NeuroImage. Clinical
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journal_title:NeuroImage. Clinical
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2018.03.031
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journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2014.08.025
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journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2020.102331
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2018.05.018
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.101793
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2014.06.005
更新日期:2014-06-16 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2015.01.011
更新日期:2015-01-22 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2018.01.009
更新日期:2018-01-31 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2020.102477
更新日期:2020-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.101684
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2018.04.009
更新日期:2018-04-06 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2016.12.018
更新日期:2016-12-24 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.101654
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.nicl.2019.102042
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2014.08.004
更新日期:2014-08-07 00:00:00
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journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2015.09.003
更新日期:2015-09-12 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.101746
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2016.11.001
更新日期:2016-11-03 00:00:00
abstract:BACKGROUND:Stuttering is a complex speech fluency disorder occurring in childhood. In young children, stuttering has been associated with speech-related auditory and motor areas of the brain. During transition into adolescence, the majority of children who stutter (75-80%) will experience remission of their symptoms. T...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2020.102334
更新日期:2020-01-01 00:00:00
abstract::The electroencephalogram (EEG) constitutes a relevant tool to study neural dynamics and to develop brain-machine interfaces (BMI) for rehabilitation of patients with paralysis due to stroke. However, the EEG is easily contaminated by artifacts of physiological origin, which can pollute the measured cortical activity a...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2018.09.035
更新日期:2018-01-01 00:00:00
abstract::Developmental dyslexia is a reading disorder that is associated with deficits in phonological processing, where the exact neural basis for those processing deficits remains unclear. In particular, disagreement exists whether degraded phonological representations or an impaired access to the phonological representation...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.10.014
更新日期:2017-10-13 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2015.08.016
更新日期:2015-09-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.101869
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2015.09.009
更新日期:2015-09-29 00:00:00