European Journal of Psychotraumatology
October 23, 2020
Ruth A. Lanius, Braeden A. Terpou, Margaret C Mckinnon
158 citations
ABSTRACT Trauma can profoundly affect the sense of self, where both cognitive and somatic disturbances to the sense of self are reported clinically by individuals with posttraumatic stress disorder (PTSD). These disturbances are captured eloquently by clinical accounts, such as, ‘I do not know myself anymore,’ ‘I will never be able to experience normal emotions again,’ and, ‘I feel dead...
Neuroimage
July 22, 2020
Xiao Chen, Ning-Xuan Chen, Yang-Qian Shen et al.
Rumination is a repetitive self-referential thinking style that is often interpreted as an expression of abnormalities of the default mode network (DMN) observed during "resting-state" in major depressive disorder (MDD). Recent evidence has demonstrated that the DMN is not unitary but can be further divided into 3 functionally heterogenous subsystems, although the subsystem mechanistically...
NeuroImage: Clinical
June 25, 2020
Scott A. Jones, A. Morales, A. Holley et al.
Highlights • Pain symptoms in adolescents are associated with default mode network connectivity.• More frequent pain is associated with more connectivity to the superior frontal gyrus.• Higher pain intensity is associated with less connectivity to the cerebellum.
Proceedings of the National Academy of Sciences
June 15, 2020
J. Ferrier, E. Tiran, T. Deffieux et al.
Significance Our report first validates an imaging technique, functional ultrasound, an experimental approach providing significantly higher sensitivity and spatiotemporal resolution than fMRI, for the study of sensory stimulation-induced changes in activation and connectivity patterns in the awake mouse brain. Next, by using this approach in lightly sedated conscious mice, we provide...
Journal of the American Academy of Child & Adolescent Psychiatry
June 12, 2020
Christian A. Webb, Elana S. Israel, Emily L. Belleau et al.
Objective: Understanding the fluctuating emotional and cognitive states of adolescents with depressive symptoms requires fine-grained and naturalistic measurements. This study used ecological momentary assessment (EMA) to investigate the affective correlates and consequences of mind-wandering in adolescents with anhedonia (AH) and typically developing (TD) controls. In addition, we examined the...
Neuroimage
June 6, 2020
Lucilla Lanzoni, Daniela Ravasio, H. Thompson et al.
Recent accounts of large-scale cortical organisation suggest that the default mode network (DMN) is positioned at the top of a principal gradient, reflecting the separation between heteromodal and unimodal sensory-motor regions in patterns of connectivity and in geodesic distance along the cortical surface (Margulies et al., 2016). This isolation of DMN from external inputs might allow the...
Human Brain Mapping
June 5, 2020
Elvis Dohmatob, G. Dumas, D. Bzdok
The default mode network (DMN) is believed to subserve the baseline mental activity in humans. Its higher energy consumption compared to other brain networks and its intimate coupling with conscious awareness are both pointing to an unknown overarching function. Many research streams speak in favor of an evolutionarily adaptive role in envisioning experience to anticipate the future. In the...
Communications Biology
May 20, 2020
Talia Brandman, R. Malach, E. Simony
The default mode network (DMN) is a group of high-order brain regions recently implicated in processing external naturalistic events, yet it remains unclear what cognitive function it serves. Here we identified the cognitive states predictive of DMN fMRI coactivation. Particularly, we developed a state-fluctuation pattern analysis, matching network coactivations across a short movie with...
Semiotica
March 26, 2020
Antonio Duarte
Abstract: The main purpose of this article is to identify the inner human activity Peirce calls musement with the mental processes that arise through the workings of the brain’s default mode network. This network is a specific, recently anatomically defined brain system, which is most active when individuals are not focused on the external environment. In doing so, musement, which was defined...
arXiv Preprint Archive
February 11, 2020
Jae-Geun Yoon, Minji Lee
preprint
Motor imagery based brain-computer interfaces (MI-BCIs) allow the control of devices and communication by imagining different muscle movements. However, most studies have reported a problem of "BCI-illiteracy" that does not have enough performance to use MI-BCI. Therefore, understanding subjects with poor performance and finding the cause of performance variation is still an important...