Tanya Wen, Daniel J Mitchell, John Duncan
preprint
Abstract: The default mode network (DMN) is engaged in a variety of cognitive settings, including social, semantic, temporal, spatial, and self-related tasks. Andrews-Hanna et al. (2010, 2012) proposed that the DMN consists of three distinct functional-anatomical subsystems – a dorsal medial prefrontal cortex (dMPFC) subsystem that supports social processing and introspection about mental...
Purnima Qamar, Dana Diaz, Brenda Benson et al.
preprint
Introduction: Even though resting-state functional connectivity (rs-FC) is conceptualized asmeasuring ‘intrinsic connectivity’, in-scanner experiences undoubtedly influence rs-FC. Themajority of work on anxiety and rs-FC does not consider the subjective state of the participantduring the magnetic resonance imaging (MRI) procedure. Heightened anxiety before an MRI(i.e., pre-scanning state...
Li Zhou, Qianhan Liu, Shengdan Liu et al.
preprint
Abstract Pain and psychological disorders are two common symptom clusters in patients with herpes zoster-related pain (HZ-RP). Numerous neuroimaging studies have revealed abnormal brain structure and function in patients with HZ-RP. However, very few studies have focused on the functional characteristics of the brain in HZ-RP patients with different levels of anxiety. Fractional amplitude of...
Giuseppe Fanelli, Jamie Robinson, Chiara Fabbri et al.
preprint
The brain's default mode network (DMN) plays a role in social cognition, with altered DMN function being associated with social impairments across various neuropsychiatric disorders. In the present study, we examined the genetic relationship between sociability and DMN-related resting-state functional magnetic resonance imaging (rs-fMRI) traits. To this end, we used genome-wide association...
Joshua Goh, Chun-Wei Hsu, Shulan Hsieh et al.
preprint
Abstract How the brain maintains stability in its internal states is fundamental to understanding human resilience of psychological states against external perturbations. Here, we evaluated the neurocomputational stability of the default mode network (DMN) using indices of its functional transitions based on multi-voxel states and conventional regional mean responses, and examined associations...
Grace Qiyuan Miao, Ian J. Lieberman, Ashley L. Binnquist et al.
preprint
Abstract Successfully making connections with others is crucial to navigating the social world and general well-being, yet little is known about connection formation and its neurocognitive underpinnings. Increasingly, neuroscientists use interpersonal ‘neural synchrony’ within the default mode network (DMN) to measure when two or more people subjectively experience something in similar ways....
Selene Tan, Sepehr Gourabi, Matthew R. Cribbet et al.
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Abstract Aging often coincides with declining sleep quality, which can contribute to cognitive decline and increased dementia risk. Neuroimaging offers valuable insights into how poor sleep may affect brain health before cognitive or behavioral changes appear. Given the different prevalence rates of dementia between sexes, sleep disturbances might uniquely impact females relative to males. The...
Tejaswi Sudhakar, Marija Bogic, Jonathan E. Elliott et al.
preprint
Abstract The neurophysiological underpinnings of chronic pain and sleep disturbances, which are commonly comorbid are not well understood. Investigation of common structural and functional brain network alterations of sleep disturbance in the setting of chronic pain may shed light on common mechanisms and improve specificity of treatment for these conditions. Our study examines the association...
E. Bartoli, E. Devara, H.Q. Dang et al.
preprint
Abstract The default mode network (DMN) is a widely distributed, intrinsic brain network thought to play a crucial role in internally-directed cognition. It subserves self-referential thinking, recollection of the past, mind wandering, and creativity. Knowledge about the electrophysiology underlying DMN activity is scarce, due to the difficulty to simultaneously record from multiple distant...
Martín Carrasco-Gómez, Alejandra García-Colomo, Jesús Cabrera-Álvarez et al.
preprint
Structured Abstract Objectives Research on the influence of transcranial alternating current stimulation over alpha functional connectivity (FC) is scarce, and at the same time poses as a potential treatment for various diseases. This study aimed to investigate the effects of individualized alpha frequency tACS (IAF-tACS) on FC within the default mode network (DMN) in healthy individuals,...