Abstract:
:Patients with schizophrenia show response inhibition deficits equal to or greater than those seen in impulse-control disorders, and these deficits contribute to poor outcome. However, little is known about the circuit abnormalities underlying this impairment. To address this, we examined stop signal task performance in 21 patients with schizophrenia and 21 healthy controls using event related potential (ERP) and resting state functional connectivity. Patients showed prolonged stop signal reaction time (SSRT) and reduced N1, N2, and P3 amplitudes compared to controls. Across groups, P3 amplitudes were maximal after SSRT (i.e., after the time associated with the decision to stop occurred), suggesting that this component indexed response monitoring. Multiple regression analyses showed that longer SSRTs were independently related to 1) patient status, 2) reduced N1 amplitude on successful stop trials and 3) reduced anticorrelated resting state functional connectivity between visual and frontoparietal cortical networks. This study used a combined multimodal imaging approach to better understand the network abnormalities that underlie response inhibition in schizophrenia. It is the first of its kind to specifically assess the brain's resting state functional architecture in combination with behavioral and ERP methods to investigate response inhibition in schizophrenia.
journal_name
Neuroimage Clinjournal_title
NeuroImage. Clinicalauthors
Hoptman MJ,Parker EM,Nair-Collins S,Dias EC,Ross ME,DiCostanzo JN,Sehatpour P,Javitt DCdoi
10.1016/j.nicl.2018.01.001subject
Has Abstractpub_date
2018-01-06 00:00:00pages
31-39issn
2213-1582pii
S2213-1582(18)30001-9journal_volume
18pub_type
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
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abstract:Background:There is an ongoing debate whether primary lateral sclerosis (PLS) should be regarded as an independent disease entity separate from amyotrophic lateral sclerosis (ALS) or as a slowly progressive variant of ALS. Objective:The study was designed to investigate specific white matter alterations in diffusion t...
journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2018.03.018
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abstract::Primary progressive aphasia (PPA) encompasses the three subtypes nonfluent/agrammatic variant PPA, semantic variant PPA, and the logopenic variant PPA, which are characterized by distinct patterns of language difficulties and regional brain atrophy. To validate the potential of structural magnetic resonance imaging da...
journal_title:NeuroImage. Clinical
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abstract::Gulf War Illness (GWI) is a chronic, multi-symptom illness that affects approximately 25% of Gulf veterans, with cognitive fatigue as one of its primary symptoms. Here, we investigated the neural networks associated with cognitive fatigue in GWI by asking 35 veterans with GWI and 25 healthy control subjects to perform...
journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2018.101641
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2016.08.009
更新日期:2016-08-10 00:00:00
abstract:Background:The hippocampus has recently been identified to play a key role in the pathophysiology of adult obsessive-compulsive disorder (OCD). Surprisingly, there is only limited evidence regarding the potential relationships with symptom dimensions. Due to the heterogeneity of symptoms in OCD, we aimed at further exa...
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
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章,评审
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2014.04.004
更新日期:2014-04-13 00:00:00
abstract::Standard MRI methods are often inadequate for identifying mild traumatic brain injury (TBI). Advances in diffusion tensor imaging now provide potential biomarkers of TBI among white matter fascicles (tracts). However, it is still unclear which tracts are most pertinent to TBI diagnosis. This study ranked fiber tracts ...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.06.031
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abstract:BACKGROUND:Predicting cognitive decline and the eventual onset of dementia in patients with Mild Cognitive Impairment (MCI) is of high value for patient management and potential cohort enrichment in pharmaceutical trials. We used cognitive scores and MRI biomarkers from a single baseline visit to predict the onset of d...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.102121
更新日期:2020-01-01 00:00:00
abstract:BACKGROUND:Macro- and micro-structural neuroimaging measures provide valuable information on the pathophysiology of Huntington's disease (HD) and are proposed as biomarkers. Despite theoretical advantages of microstructural measures in terms of sensitivity to pathology, there is little evidence directly comparing the t...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2012.12.001
更新日期:2012-12-09 00:00:00
abstract:INTRODUCTION:Despite the recognized importance of atrophy in multiple sclerosis (MS), methods for its quantification have been mostly restricted to the research domain. Recently, a CE labelled and FDA approved MS-specific atrophy quantification method, MSmetrix, has become commercially available. Here we perform a vali...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.06.034
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2020.102439
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.2018.09.016
更新日期:2018-01-01 00:00:00
abstract:BACKGROUND:Vestibular patients occasionally report aggravation or triggering of their symptoms by visual stimuli, which is called visually induced dizziness (VID). These patients therefore experience dizziness, discomfort, disorientation and postural unsteadiness. The underlying pathophysiology of VID is still poorly u...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.02.020
更新日期:2017-02-28 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2013.11.011
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2015.02.003
更新日期:2015-02-16 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2013.05.011
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doi:10.1016/j.nicl.2018.07.015
更新日期:2018-07-18 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.01.020
更新日期:2017-01-23 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
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.2013.01.008
更新日期:2013-01-28 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.04.004
更新日期:2017-04-27 00:00:00
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journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2019.101794
更新日期:2019-01-01 00:00:00
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journal_title:NeuroImage. Clinical
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doi:10.1016/j.nicl.2018.01.009
更新日期:2018-01-31 00:00:00
abstract:BACKGROUND:Individuals with at-risk mental state for psychosis (ARMS) often suffer from depressive and anxiety symptoms, which are clinically similar to the negative symptomatology described for psychosis. Thus, many ARMS individuals are already being treated with antidepressant medication. OBJECTIVES:To investigate c...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2015.04.016
更新日期:2015-04-29 00:00:00
abstract::Metabolic brain networks can provide insight into the network processes underlying progression from healthy aging to Alzheimer's disease. We explore the effect of two Alzheimer's disease risk factors, amyloid-β and ApoE ε4 genotype, on metabolic brain networks in cognitively normal older adults (N = 64, ages 69-89) co...
journal_title:NeuroImage. Clinical
pub_type: 杂志文章
doi:10.1016/j.nicl.2017.12.037
更新日期:2017-12-28 00:00:00