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Default mode network: all studies

Page 18 of 155: studies 171 to 180 of 1,549, newest first. Back to the default mode network overview

Research

Effect of increasing cognitive activity participation on default mode network in older adults with subjective cognitive decline: a randomised controlled trialResearch in context

EBioMedicine March 26, 2024 Allen Ting Chun Lee, Yishan Luo, Zhaohua Huo et al. 7 citations

Summary: Background: Having more cognitive activities may prevent dementia, but its evidence of modulating the functional brain network is limited. This randomised controlled trial (RCT) investigated the effect of increased cognitive activity participation on the default mode network (DMN) in older adults who had already been having regular cognitive activity participation and experiencing...

Roles of the Default Mode Network in Different Aspects of Self-representation When Remembering Social Autobiographical Memories

Journal of Cognitive Neuroscience March 22, 2024 Azusa Katsumi, Saeko Iwata, Takashi Tsukiura

Abstract Autobiographical memory (AM) is episodic memory for personally experienced events, in which self-representation is more important than that in laboratory-based memory. Theoretically, self-representation in a social context is categorized as the interpersonal self (IS) referred to in a social interaction with a person or the social-valued self (SS) based on the reputation of the self in...

The Importance of Low-frequency Alpha (8-10 Hz) Waves and Default Mode Network in Behavioral Inhibition.

Clinical Psychopharmacology and Neuroscience February 29, 2024 Yong-Wook Kim, Sungkean Kim, Min Jin Jin et al.

: Alpha wave of electroencephalography (EEG) is known to be related to behavioral inhibition. Both the alpha wave and default mode network (DMN) are predominantly activated during resting-state. To study the mechanisms of the trait inhibition, this research investigating the relations among alpha wave, DMN and behavioral inhibition in resting-state. : We explored the relationship among...

Associations of conservatism and jumping to conclusions biases with aberrant salience and default mode network

Psychiatry and Clinical Neurosciences February 27, 2024 Jun Miyata, Akihiko Sasamoto, Takahiro Ezaki et al.

While conservatism bias refers to the human need for more evidence for decision‐making than rational thinking expects, the jumping to conclusions (JTC) bias refers to the need for less evidence among individuals with schizophrenia/delusion compared to healthy people. Although the hippocampus‐midbrain‐striatal aberrant salience system and the salience, default mode (DMN), and frontoparietal...

Altered functional connectivity between the default mode network in primary angle-closure glaucoma patients

Neuroreport February 7, 2024 Qiu-Yu Tang, Bing-Lin Huang, Xin Huang

Previous studies have recognized glaucoma as a neurodegenerative disease that causes extensive brain damage and is closely associated with cognitive function. In this study, we employed functional MRI to examine the intrinsic functional connectivity patterns of the default mode network (DMN) in patients diagnosed with primary angle-closure glaucoma (PACG), exploring its association with...

Electroconvulsive therapy disrupts functional connectivity between hippocampus and posterior default mode network.

Progress in Neuro-Psychopharmacology and Biological Psychiatry February 1, 2024 K. Gbyl, Vytautas Labanaukas, C. C. Lundsgaard et al.

BACKGROUND The mechanisms underlying memory deficits after electroconvulsive therapy (ECT) remain unclear but altered functional interactions between hippocampus and neocortex may play a role. OBJECTIVES To test whether ECT reduces functional connectivity between hippocampus and posterior regions of the default mode network (DMN) and to examine whether altered hippocampal-neocortical functional...

Transcranial Magnetic Stimulation of the Default Mode Network to Improve Sleep in Individuals With Insomnia Symptoms: Protocol for a Double-Blind Randomized Controlled Trial

JMIR Research Protocols January 26, 2024 Lindsey L Hildebrand, Alisa Huskey, Natalie S Dailey et al.

Background Cortical hyperarousal and ruminative thinking are common aspects of insomnia that have been linked with greater connectivity in the default mode network (DMN). Therefore, disrupting network activity within the DMN may reduce cortical and cognitive hyperarousal and facilitate better sleep. Objective This trial aims to establish a novel, noninvasive method for treating insomnia through...

Altered Neuromagnetic Activity in the Default Mode Network in Migraine and Its Subgroups (Episodic Migraine and Chronic Migraine).

Journal of Integrative Neuroscience January 22, 2024 Xiaofang Zhang, Fengyuan Xu, Di Wu et al.

BACKGROUND The differences in the resting state spectral power and functional connectivity of the default mode network between people with migraine without aura (MwoA) and its subgroups differentiated by frequency (episodic migraine (EM) and chronic migraine (CM)) and healthy controls (HC) were investigated using magnetoencephalography. METHODS In the resting state, the topological spatial...

Motor Control Exercise Modulates the Neural Plasticity of the Default Mode Network in Patients with Chronic Low Back Pain

Pain Physician Journal January 20, 2024 Chuhuai Wang

BACKGROUND: Motor control exercise (MCE) effectively alleviates nonspecific chronic low back pain (CLBP), but the neural mechanisms underlying this phenomenon are poorly understood. OBJECTIVE: To study MCE’s neural mechanisms in patients with CLBP by resting-state functional magnetic resonance imaging (rs-fMRI). STUDY DESIGN: A prospective, single-blind, randomized, controlled trial. SETTING:...

Altered dynamic effective connectivity of the default mode network in type 2 diabetes

Frontiers in Neurology January 15, 2024 Kun Xu, Jun Wang, Guangyao Liu et al.

IntroductionAltered functional connectivity of resting-state functional magnetic resonance imaging (rs-fMRI) within default mode network (DMN) regions has been verified to be closely associated with cognitive decline in patients with Type 2 diabetes mellitus (T2DM), but most studies neglected the fluctuations of brain activities—the dynamic effective connectivity (DEC) within DMN of T2DM is...