Brain and Neuroscience Advances
2021
Vasileia Kotoula, T. Webster, James Stone et al.
Acute ketamine administration has been widely used in neuroimaging research to mimic psychosis-like symptoms. Within the last two decades, ketamine has also emerged as a potent, fast-acting antidepressant. The delayed effects of the drug, observed 2–48 h after a single infusion, are associated with marked improvements in depressive symptoms. At the systems’ level, several studies have...
Neuroscience of Consciousness
2021
Shira Baror, Biyu J. He
Flipping through social media feeds, viewing exhibitions in a museum, or walking through the botanical gardens, people consistently choose to engage with and disengage from visual content. Yet, in most laboratory settings, the visual stimuli, their presentation duration, and the task at hand are all controlled by the researcher. Such settings largely overlook the spontaneous nature of human...
Mindfulness
2021
Jeremy L Smith, Jason W Allen, Carla I Haack et al.
Previous research indicates that mindfulness meditation reduces anxiety and depression and enhances well-being. We examined the impact of app-delivered mindfulness meditation on resting state functional MRI (fMRI) connectivity among physician assistant (PA) students and surgery residents. PA students and residents were randomized to receive a popular meditation app or to wait-list control...
eNeuro
2021
Ana Y Martínez, Athena Demertzi, Clemens C C Bauer et al.
Focused attention to spontaneous sensations is a dynamic process that demands interoceptive abilities. Failure to control it has been linked to neuropsychiatric disorders like illness-anxiety disorder. Regulatory strategies, such as focused attention meditation (FAM), may enhance the ability to control focused attention particularly to body sensations, which can be reflected on functional...
Brain Structure and Function
2021
Jitka Annen, Rajanikant Panda, Charlotte Martial et al.
15 citations
peer reviewedVoluntary apnea showcases extreme human adaptability in trained individuals like professional free divers. We evaluated the psychological and physiological adaptation and the functional cerebral changes using electroencephalography (EEG) and functional Magnetic Resonance Imaging (fMRI) to 6.5 min of dry static apnea performed by a world champion free diver. Compared to resting...
Oxford University Press eBooks
December 1, 2020
Agnes M.F. Wong
In this chapter, the author explores the relevant brain networks and their plasticity in response to mindfulness and compassion training. The chapter begins by reviewing how foundational mindfulness practices, in the form of focused attention and open monitoring, set the stage for compassion/loving-kindness training by modulating attentional resources (in the attention networks), regulating...
Molecular Biology Reports
December 1, 2020
Alec J. DiVito, Robert F. Leger
Classical psychedelics are a group of drugs characterized by their activation of the serotonin-2A (5-hydroxytryptamine-2A; 5-HT2A) receptor and the unique hallucinogenic and mystical-type experiences that result. After a substantial period of restrictions limiting investigations into the therapeutic potential of psychedelics, a relatively recent recommencement of interest has sparked the...
Scientific Reports
October 29, 2020
Timo Torsten Schmidt, Nisha Jagannathan, Michal Ljubljanac et al.
Different pharmacologic agents have been used to investigate the neuronal underpinnings of alterations in consciousness states, such as psychedelic substances. Special attention has been drawn to the role of thalamic filtering of cortical input. Here, we investigate the neuronal mechanisms underlying an altered state of consciousness (ASC) induced by a non-pharmacological procedure. During fMRI...
Human Brain Mapping
October 17, 2020
Feng-Ying Huang, Ai-Ling Hsu, Yi-Ping Chao et al.
Bereavement, the experience of losing a loved one, is one of the most catastrophic but inevitable events in life. It causes grief and intense depression-like sadness. Recent studies have revealed the effectiveness and proficiency of mindfulness-based cognitive therapy (MBCT) in emotional regulation among bereavement populations. MBCT improves the well-being of the bereaved by enhancing...
September 27, 2020
M. Taheri, Farid Semsarha, Fateme Modarresi-Asem
preprint
Mind-body interaction and its manifestations at the brain level has been studied extensively in the field of consciousness research. Fara-darmani Consciousness Field, as claimed by Mohammad Ali Taheri (the founder), is a method of connecting with the Cosmic Consciousness Network through human mind and his brain has a detective role in this process. As a result of this connection, the scanning...