Results 31 to 40 of about 716,083 (340)
Proceedings of the National Academy of Sciences of the United States of America, 2021 Significance A consistent finding from functional MRI (fMRI) of externally focused cognitive control is negative signal change in the brain’s default mode network (DMN), but it is unknown whether this reflects an increase of synaptic activity during rest
L. Stiernman +8 more
semanticscholar +1 more source
The dynamic reorganization of the default-mode network during a visual classification task
Frontiers in Systems Neuroscience, 2013 The default-mode network has been reported to possess highly versatile and even contrasting functions but the underlying functioning mechanism remains elusive.
Wei eGao +3 more
doaj +1 more source
Functional connectivity in the resting brain: A network analysis of the default mode hypothesis
Proceedings of the National Academy of Sciences of the United States of America, 2002 Functional imaging studies have shown that certain brain regions, including posterior cingulate cortex (PCC) and ventral anterior cingulate cortex (vACC), consistently show greater activity during resting states than during cognitive tasks.
M. Greicius +3 more
semanticscholar +1 more source
Altered intrinsic organisation of brain networks implicated in attentional processes in adult attention-deficit/hyperactivity disorder: a resting state study of attention, default mode and salience network connectivity [PDF]
, 2016 Deficits in task-related attentional engagement in attention-deficit/hyperactivity disorder (ADHD) have been hypothesized to be due to altered interrelationships between attention, default mode and salience networks.
Roeyers, Herbert +3 more
core +1 more source
Default Mode Network alterations in alexithymia: An EEG power spectra and connectivity study [PDF]
, 2016 Recent neuroimaging studies have shown that alexithymia is characterized by functional alterations in different brain areas [e.g., posterior cingulate cortex (PCC)], during emotional/social tasks.
Amoroso, Noemi +9 more
core +1 more source
Default mode network scaffolds immature frontoparietal network in cognitive development
Cerebral Cortex, 2022 The default mode network (DMN) is a workspace for convergence of internal and external information. The frontal parietal network (FPN) is indispensable to executive functioning.
Menglu Chen +18 more
semanticscholar +1 more source
Brain Sciences, 2023 This study aimed to compare the functional connectivity (FC) assessed during acute stress and recovery after stress using the Montreal imaging stress task (MIST) in adults in their 20s and 30s with Korean Perceived Stress Scale (PSS) scores between 15 ...
Mi-Hyun Choi
doaj +1 more source
Modafinil modulation of the default mode network [PDF]
Psychopharmacology, 2010 The default mode network (DMN) is a functional network which is implicated in a range of cognitive processes. This network is proposed to consist of hubs located in the ventromedial prefrontal cortex (vmPFC), posterior cingulate/retrosplenial cortex (PCC/rSpl), and inferior parietal lobule (IPL), with other midline cortical and temporal lobe nodes ...
Minzenberg, Michael J +2 more
openaire +4 more sources
Task-Related modulations of BOLD low-frequency fluctuations within the default mode Network [PDF]
, 2017 Spontaneous low-frequency Blood-Oxygenation Level-Dependent (BOLD) signals acquired during resting state are characterized by spatial patterns of synchronous fluctuations, ultimately leading to the identification of robust brain networks.
Daniele Mascali +12 more
core +3 more sources
Proceedings of the National Academy of Sciences of the United States of America, 2019 Significance Functional connectivity within the default mode network in patients with major depressive disorder has been frequently reported to be abnormal but with contradicting directions in previous studies with small sample sizes.
Chaogan Yan +64 more
semanticscholar +1 more source