Abstract:
:While the efficacy and tolerability of electroconvulsive therapy (ECT) for depression has been well established, the acute effects of ECT on brain function remain unclear. Particularly, although cognitive dysfunction has been consistently observed after ECT, little is known about the extent and time course of ECT-induced brain functional changes, as observed during cognitive tasks. Considering the acute antidepressant effects of ECT on depression, aberrant brain functional responses during cognitive tasks in patients with depression may improve immediately after this treatment. To clarify changes in cortical functional responses to cognitive tasks following ECT, we used task-related functional near-infrared spectroscopy (NIRS) to assess 30 patients with major depressive disorder or bipolar depression before and after an ECT series, as well as 108 healthy controls. Prior to ECT, patients exhibited significantly smaller [oxy-Hb] values in the bilateral frontal cortex during a letter verbal fluency task (VFT) compared with healthy controls. We found a significant increase in [oxy-Hb] values in the bilateral frontal cortex during the VFT after ECT in the patient group. A decrease in depression severity was significantly correlated with an increase in [oxy-Hb] values in the right ventrolateral prefrontal cortex following ECT. This is the first NIRS study to evaluate brain functional changes before vs. after ECT. Impaired functional responses, observed during the cognitive task in depressed patients, were normalized after ECT. Thus, recovery from abnormal functional responses to cognitive tasks in the frontal brain regions may be associated with the acute therapeutic effects of ECT for depression.
journal_name
J Psychiatr Resjournal_title
Journal of psychiatric researchauthors
Hirano J,Takamiya A,Yamagata B,Hotta S,Miyasaka Y,Pu S,Iwanami A,Uchida H,Mimura Mdoi
10.1016/j.jpsychires.2017.02.018subject
Has Abstractpub_date
2017-08-01 00:00:00pages
26-35eissn
0022-3956issn
1879-1379pii
S0022-3956(16)30499-Xjournal_volume
91pub_type
杂志文章abstract::Brain-derived neurotrophic factor (BDNF) plays a central role in synaptic plasticity and neurogenesis. Bipolar disorder (BD) is among the most disabling of all psychiatric disorders and is associated with poor outcomes. Some studies suggest that BDNF levels decrease during mood states and remain normal during euthymia...
journal_title:Journal of psychiatric research
pub_type: 杂志文章,meta分析,评审
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journal_title:Journal of psychiatric research
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abstract:BACKGROUND:Anxiety disorders and insomnia are each prevalent, impairing, and highly comorbid. However, little is known about whether specific types of sleep complaints are associated with specific anxiety disorders, and whether poor sleep has an additive effect on functional impairment in anxiety disorders. METHOD:Dat...
journal_title:Journal of psychiatric research
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abstract:OBJECTIVES:Recent genome-wide association studies revealed that Triggering receptor expressed on myeloid cells 2 (TREM2) was associated with Alzheimer's disease (AD) and other neurodegenerative diseases. We previously reported that TREM2 mRNA is highly expressed in leukocytes of AD patients compared to those in healthy...
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abstract::'Behavioral contagion' refers to an increased tendency for a behavior to be performed when socially related persons have already performed it. So understood, behavioral contagion may be involved in criminality, conduct disorder, drug abuse, suicide, and teenage pregnancy. In a recent paper we showed that contagion, wh...
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pub_type: 杂志文章
doi:10.1016/s0022-3956(96)00052-0
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pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章
doi:10.1016/j.jpsychires.2006.06.012
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journal_title:Journal of psychiatric research
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doi:10.1016/j.jpsychires.2020.10.018
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journal_title:Journal of psychiatric research
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journal_title:Journal of psychiatric research
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journal_title:Journal of psychiatric research
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abstract::People with a psychiatric illness are at high risk for suicide; however, variation of the risk by patients' sex and age and by specific diagnosis needs to be explored in a more detail. This large population study systematically assesses suicide incidence rate ratio (IRR) and population attributable risk (PAR) associat...
journal_title:Journal of psychiatric research
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doi:10.1016/j.jpsychires.2011.06.002
更新日期:2011-11-01 00:00:00
abstract:OBJECTIVE:To examine gender differences in the associations of levels of pain interference and psychiatric disorders among a nationally representative sample of adult men and women. METHOD:Chi-square tests and multinomial logistic regression analyses were performed on data obtained from the National Epidemiologic Surv...
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abstract::A difficulty in the interpretation of the reliability/stability of a lifetime diagnosis of mental disorders is the lack of a theoretical perspective. A model expressed in terms of the three unknowns--sensitivity, specificity and true base rate--is problematic due to the lack of a "gold standard", so that only two of t...
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abstract::Patients with obsessive-compulsive disorder (OCD) often display cognitions and/or behaviors that may well reflect the existence of "hyper-attachment" to different environmental elements, including their offspring, family members, divine entities, or even inanimate objects. Based on the fact that both OCD symptoms and ...
journal_title:Journal of psychiatric research
pub_type: 杂志文章
doi:10.1016/j.jpsychires.2008.05.007
更新日期:2009-01-01 00:00:00