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https://www.readbyqxmd.com/read/28293180/brief-mental-training-reorganizes-large-scale-brain-networks
#1
Yi-Yuan Tang, Yan Tang, Rongxiang Tang, Jarrod A Lewis-Peacock
Emerging evidences have shown that one form of mental training-mindfulness meditation, can improve attention, emotion regulation and cognitive performance through changing brain activity and structural connectivity. However, whether and how the short-term mindfulness meditation alters large-scale brain networks are not well understood. Here, we applied a novel data-driven technique, the multivariate pattern analysis (MVPA) to resting-state fMRI (rsfMRI) data to identify changes in brain activity patterns and assess the neural mechanisms induced by a brief mindfulness training-integrative body-mind training (IBMT), which was previously reported in our series of randomized studies...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28291299/-neurosyphilis-in-psychiatric-settings-three-case-reports
#2
Erhan Akıncı, Fatih Öncü, Barış Topçular
Syphilis is a generally sexually transmitted and multisystem disease caused by the spirochete Treponema pallidum. All of the organs of the body may be involved during the course of the disease. Neurosyphilis is a clinical form of syphilis with the central nervous system (CNS) involvement. While primarily meningeal and vascular structures are involved in early neurosyphilis, a parenchymal affection of the brain and spinal cord emerges at later stages of neurosyphilis. It presents with symptoms of meningitis, meningovasculitis and parenchymal neurosyphilis (presenting as tabes dorsalis and general paresis)...
2017: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
https://www.readbyqxmd.com/read/28275643/a-translational-approach-to-clinical-practice-via-stress-responsive-glucocorticoid-receptor-signaling
#3
COMMENT
Mario F Juruena, Bruno Agustini, Anthony J Cleare, Allan H Young
A recent article by Kwan and colleagues could elegantly demonstrate the necessary interaction between neuronal serotonin (5-HT) systems and the hypothalamic-pituitary-adrenal (HPA) axis through glucocorticoid receptors (GR), producing an adequate stress response, in this case, responding to hypoxia with an increase in hematopoietic stem and progenitor cells (HSPC). There is an intricate system connecting brain, body and mind and this exchange is only possible when all these systems-nervous, endocrine, and immune-have receptors on critical cells to receive information (via messenger molecules) from each of the other systems...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28266344/epilepsy-at-the-prodromal-stages-of-neurodegenerative-diseases
#4
Benjamin Cretin, Nathalie Philippi, Laure Dibitonto, Frédéric Blanc
This review provides a clinically grounded description of the links between epilepsy and early common neurodegenerative diseases (i.e. Alzheimer's disease, Lewy body disease, vascular cognitive impairment, fronto-temporal lobar degeneration). It shows that epilepsy does not only concern demented patients displaying convulsive seizures (whether focal or generalized) and obvious atrophy on brain imaging. On the contrary, unprovoked seizures and epilepsy - commonly involving the temporal lobe - are now reported at the prodromal stages of these diseases, when cognitive complaints are mild or even minimal and brain imaging inconstantly abnormal...
March 1, 2017: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/28239961/in-pursuit-of-neurophenotypes-the-consequences-of-having-autism-and-a-big-brain
#5
David G Amaral, Deana Li, Lauren Libero, Marjorie Solomon, Judy Van de Water, Ann Mastergeorge, Letitia Naigles, Sally Rogers, Christine Wu Nordahl
A consensus has emerged that despite common core features, autism spectrum disorder (ASD) has multiple etiologies and various genetic and biological characteristics. The fact that there are likely to be subtypes of ASD has complicated attempts to develop effective therapies. The UC Davis MIND Institute Autism Phenome Project is a longitudinal, multidisciplinary analysis of children with autism and age-matched typically developing controls; nearly 400 families are participating in this study. The overarching goal is to gather sufficient biological, medical, and behavioral data to allow definition of clinically meaningful subtypes of ASD...
February 27, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28184152/drug-delivery-in-overcoming-the-blood-brain-barrier-role-of-nasal-mucosal-grafting
#6
REVIEW
Carlotta Marianecci, Federica Rinaldi, Patrizia Nadia Hanieh, Luisa Di Marzio, Donatella Paolino, Maria Carafa
The blood-brain barrier (BBB) plays a fundamental role in protecting and maintaining the homeostasis of the brain. For this reason, drug delivery to the brain is much more difficult than that to other compartments of the body. In order to bypass or cross the BBB, many strategies have been developed: invasive techniques, such as temporary disruption of the BBB or direct intraventricular and intracerebral administration of the drug, as well as noninvasive techniques. Preliminary results, reported in the large number of studies on the potential strategies for brain delivery, are encouraging, but it is far too early to draw any conclusion about the actual use of these therapeutic approaches...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28178375/melatonin-restores-hippocampal-neural-precursor-proliferation-and-prevents-cognitive-deficits-induced-by-jet-lag-simulation-in-adult-mice
#7
Deetje Iggena, York Winter, Barbara Steiner
Frequent flyers and shift workers undergo circadian dysrhythmia with adverse impact on body and mind. The circadian rhythm disorder "jet lag" disturbs hippocampal neurogenesis and spatial cognition, which represent morphological and functional adult brain plasticity. This raises the question if pro-neurogenic stimuli might prevent those consequences. However, suitable measures to mitigate jet lag induced adverse effects on brain plasticity have been neglected so far. Here, we used adult C57Bl6 mice to investigate the pro-neurogenic stimuli melatonin (8mg/kg i...
February 8, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28148806/the-quest-for-the-ffa-and-where-it-led
#8
Nancy Kanwisher
This article tells the story behind our first paper on the fusiform face area (FFA): how we chose the question, developed the methods, and followed the data to find the FFA and subsequently many other functionally specialized cortical regions. The paper's impact had less to do with the particular findings in the paper itself and more to do with the method that it promoted and the picture of the human mind and brain that it led to. The use of a functional localizer to define a candidate region in each subject individually enabled us not just to make pictures of brain activation, but also to ask principled, hypothesis-driven questions about a thing in nature...
February 1, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28074346/actively-negotiating-the-mind-body-divide-how-clozapine-treated-schizophrenia-patients-make-health-for-themselves
#9
Julia E H Brown, Simone Dennis
It is well recognised that antipsychotic treatments impact the whole body, not just the target area of the brain. For people with refractory schizophrenia on clozapine, the gold standard antipsychotic treatment in England and Australia, the separation of mental and physical regimes of health is particularly pronounced, resulting in multiple, compartmentalised treatment registers. Clinicians often focus on the mental health aspects of clozapine use, using physical indicators to determine whether treatment can continue...
January 10, 2017: Culture, Medicine and Psychiatry
https://www.readbyqxmd.com/read/28072399/organization-of-high-level-visual-cortex-in-human-infants
#10
Ben Deen, Hilary Richardson, Daniel D Dilks, Atsushi Takahashi, Boris Keil, Lawrence L Wald, Nancy Kanwisher, Rebecca Saxe
How much of the structure of the human mind and brain is already specified at birth, and how much arises from experience? In this article, we consider the test case of extrastriate visual cortex, where a highly systematic functional organization is present in virtually every normal adult, including regions preferring behaviourally significant stimulus categories, such as faces, bodies, and scenes. Novel methods were developed to scan awake infants with fMRI, while they viewed multiple categories of visual stimuli...
January 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28017838/the-embodied-mind-a-review-on-functional-genomic-and-neurological-correlates-of-mind-body-therapies
#11
REVIEW
David Muehsam, Susan Lutgendorf, Paul J Mills, Badri Rickhi, Gaétan Chevalier, Namuun Bat, Deepak Chopra, Blake Gurfein
A broad range of mind-body therapies (MBTs) are used by the public today, and a growing body of clinical and basic sciences research has resulted in evidence-based integration of many MBTs into clinical practice. Basic sciences research has identified some of the physiological correlates of MBT practices, leading to a better understanding of the processes by which emotional, cognitive and psychosocial factors can influence health outcomes and well-being. In particular, results from functional genomics and neuroimaging describe some of the processes involved in the mind-body connection and how these can influence health outcomes...
February 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28012027/having-bird-schistosomes-in-mind-the-first-detection-of-bilharziella-polonica-kowalewski-1895-in-the-bird-neural-system
#12
Hanna Prüter, Jiljí Sitko, Oliver Krone
Nasal bird schistosomes can cause bilharziosis in birds and have the potential to cause swimmer's itch in humans. We determined the prevalence of bird schistosomes in 106 mallards (Anas plathyrhynchos) from 11 water sources in Germany from 2014. Dissections were performed focusing on parasitic infections of the neural system. Infections with Trichobilharzia regenti (Horák et al. 1998) were found in 21% of the birds (n = 22), whereas Bilharziella polonica (Kowalewski 1895) were found between the brain membranes (meninges) and the brain, in the spinal cord or in the intestine of 12% of the mallards (n = 13)...
December 23, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27983555/the-effects-of-meditation-on-grey-matter-atrophy-and-neurodegeneration-a%C3%A2-systematic-review
#13
Nicole Last, Emily Tufts, Leslie E Auger
The present systematic review is based on the premise that a variety of neurodegenerative diseases are accompanied by grey matter atrophy in the brain and meditation may impact this. Given that age is a major risk factor for many of these progressive and neurodegenerative diseases and that the percentage of the population over the age of 65 is quickly increasing, there is an obvious need for prompt treatment and prevention advances in research. As there is currently no cure for Alzheimer's disease and other neurodegenerative diseases, many are seeking non-pharmacological treatment options in attempts to offset the disease-related cognitive and functional declines...
November 26, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27979651/a-brief-historical-perspective-on-the-advent-of-brain-oscillations-in-the-biological-and-psychological-disciplines
#14
REVIEW
Sirel Karakaş, Robert J Barry
We aim to review the historical evolution that has led to the study of the brain (body)-mind relationship based on brain oscillations, to outline and illustrate the principles of neuro-oscillatory dynamics using research findings. The paper addresses the relevant developments in behavioral sciences after Wundt established the science of psychology, and developments in the neurosciences after alpha and gamma oscillations were discovered by Berger and Adrian, respectively. Basic neuroscientific studies have led to a number of principles: (1) spontaneous EEG is composed of a set of oscillatory components, (2) the brain responds with oscillatory activity, (3) poststimulus oscillatory activity is a function of prestimulus activity, (4) the brain response results from a superposition of oscillatory components, (5) there are multiplicities with regard to oscillations and functions, and (6) oscillations are spatially integrated...
December 12, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27942158/changes-of-heart-rate-variability-and-prefrontal-oxygenation-during-tai-chi-practice-versus-arm-ergometer-cycling
#15
Xi Lu, Christina Wan-Ying Hui-Chan, William Wai-Nam Tsang
[Purpose] Exercise has been shown to improve cardiovascular fitness and cognitive function. Whether the inclusion of mind over exercise would increase parasympathetic control of the heart and brain activities more than general exercise at a similar intensity is not known. The aim of this study was to compare the effects of Tai Chi (mind-body exercise) versus arm ergometer cycling (body-focused exercise) on the heart rate variability and prefrontal oxygenation level. [Subjects and Methods] A Tai Chi master was invited to perform Tai Chi and arm ergometer cycling with similar exercise intensity on two separate days...
November 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27920935/cerebral-foreign-body-granuloma-in-brain-triggering-generalized-seizures-without-obvious-craniocerebral-injury-a-case-report-and-review-of-the-literature
#16
Nina Brawanski, Peter Baumgarten, Jürgen Konczalla, Volker Seifert, Christian Senft
BACKGROUND: Intracerebral foreign body granuloma is rarely reported. We present the case of a male patient with a cerebral foreign body granuloma. CASE DESCRIPTION: Initial admission of a 67-year-old male patient was after an aphasia followed by secondary generalized seizures. Cranial computed tomography (CCT) showed a metal-dense, wedge-shaped foreign body in the range of the frontal sinus on the left side, breaking through the frontal sinus, and creating a connection to the frontal cerebral lobe...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27917121/neurochemical-and-neuroanatomical-plasticity-following-memory-training-and-yoga-interventions-in-older-adults-with-mild-cognitive-impairment
#17
Hongyu Yang, Amber M Leaver, Prabha Siddarth, Pattharee Paholpak, Linda Ercoli, Natalie M St Cyr, Harris A Eyre, Katherine L Narr, Dharma S Khalsa, Helen Lavretsky
Behavioral interventions are becoming increasingly popular approaches to ameliorate age-related cognitive decline, but their underlying neurobiological mechanisms and clinical efficiency have not been fully elucidated. The present study explored brain plasticity associated with two behavioral interventions, memory enhancement training (MET) and a mind-body practice (yogic meditation), in healthy seniors with mild cognitive impairment (MCI) using structural magnetic resonance imaging (s-MRI) and proton magnetic resonance spectroscopy ((1)H-MRS)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27911321/the-effects-of-meditation-on-grey-matter-atrophy-and-neurodegeneration-a%C3%A2-systematic-review
#18
Nicole Last, Emily Tufts, Leslie E Auger
The present systematic review is based on the premise that a variety of neurodegenerative diseases are accompanied by grey matter atrophy in the brain and meditation may impact this. Given that age is a major risk factor for many of these progressive and neurodegenerative diseases and that the percentage of the population over the age of 65 is quickly increasing, there is an obvious need for prompt treatment and prevention advances in research. As there is currently no cure for Alzheimer's disease and other neurodegenerative diseases, many are seeking non-pharmacological treatment options in attempts to offset the disease-related cognitive and functional declines...
November 26, 2016: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27909646/the-neural-mechanisms-of-meditative-practices-novel-approaches-for-healthy-aging
#19
REVIEW
Bianca P Acevedo, Sarah Pospos, Helen Lavretsky
OBJECTIVES: Meditation has been shown to have physical, cognitive, and psychological health benefits that can be used to promote healthy aging. However, the common and specific mechanisms of response remain elusive due to the diverse nature of mind-body practices. METHODS: In this review, we aim to compare the neural circuits implicated in focused-attention meditative practices that focus on present-moment awareness to those involved in active-type meditative practices (e...
2016: Current Behavioral Neuroscience Reports
https://www.readbyqxmd.com/read/27903561/keeping-weight-off-study-protocol-of-an-rct-to-investigate-brain-changes-associated-with-mindfulness-based-stress-reduction
#20
Carl Fulwiler, Julia A Siegel, Jeroan Allison, Milagros C Rosal, Judson Brewer, Jean A King
INTRODUCTION: Obesity is a growing epidemic fuelled by unhealthy behaviours and associated with significant comorbidities and financial costs. While behavioural interventions produce clinically meaningful weight loss, weight loss maintenance is challenging. This may partially be due to failure to target stress and emotional reactivity. Mindfulness-based stress reduction (MBSR) reduces stress and emotional reactivity and may be a useful tool for behaviour change maintenance. This study seeks to provide a mechanistic understanding for clinical trials of the benefits of MBSR for weight loss maintenance by examining changes in functional connectivity (FC) and the association of these changes with clinical outcomes...
November 30, 2016: BMJ Open
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