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https://www.readbyqxmd.com/read/28184152/drug-delivery-in-overcoming-the-blood-brain-barrier-role-of-nasal-mucosal-grafting
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#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 Parkinson's Disease
https://www.readbyqxmd.com/read/27909646/the-neural-mechanisms-of-meditative-practices-novel-approaches-for-healthy-aging
#14
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
#15
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
https://www.readbyqxmd.com/read/27902520/rethinking-recovery-incorporating-holistic-nursing-perspectives-in-poststroke-care
#16
Frances Peterson-Burch, Karin Reuter-Rice, Taura L Barr
Stroke is a life-changing experience. Current treatments focus on treating the condition, rather than the whole person. The goal of this report was to communicate the benefits of a holistic approach to the treatment and recovery of stroke. Our intent was to begin a conversation to transform our approach to stroke care to focus on the whole person, body, mind, and spirit. Wellness approaches are fiscally responsible ways of providing holistic care for patients and their family members to help them achieve optimal individualized recovery...
January 2017: Holistic Nursing Practice
https://www.readbyqxmd.com/read/27891195/reflections-on-a-giant-of-brain-science-how-lucky-we-are-having-walter-j-freeman-as-our-beacon-in-cognitive-neurodynamics-research
#17
REVIEW
Robert Kozma
Walter J. Freeman was a giant of the field of neuroscience whose visionary work contributed various experimental and theoretical breakthroughs to brain research in the past 60 years. He has pioneered a number of Electroencephalogram and Electrocorticogram tools and approaches that shaped the field, while "Freeman Neurodynamics" is a theoretical concept that is widely known, used, and respected among neuroscientists all over the world. His recent death is a profound loss to neuroscience and biomedical engineering...
December 2016: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/27816779/performance-monitoring-for-brain-computer-interface-actions
#18
Aaron Schurger, Steven Gale, Olivia Gozel, Olaf Blanke
When presented with a difficult perceptual decision, human observers are able to make metacognitive judgements of subjective certainty. Such judgements can be made independently of and prior to any overt response to a sensory stimulus, presumably via internal monitoring. Retrospective judgements about one's own task performance, on the other hand, require first that the subject perform a task and thus could potentially be made based on motor processes, proprioceptive, and other sensory feedback rather than internal monitoring...
February 2017: Brain and Cognition
https://www.readbyqxmd.com/read/27802175/neurotransmitter-alteration-in-a-testosterone-propionate-induced-polycystic-ovarian-syndrome-rat-model
#19
Nirja K Chaudhari, Laxmipriya P Nampoothiri
BACKGROUND: Polycystic ovarian syndrome (PCOS), one of the leading causes of infertility seen in women, is characterized by anovulation and hyperandrogenism, resulting in ovarian dysfunction. In addition, associations of several metabolic complications like insulin resistance, obesity, dyslipidemia and psychological co-morbidities are well known in PCOS. One of the major factors influencing mood and the emotional state of mind is neurotransmitters. Also, these neurotransmitters are very crucial for GnRH release...
October 29, 2016: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/27796303/effects-of-oxytocin-and-vasopressin-on-preferential-brain-responses-to-negative-social-feedback
#20
Marta Gozzi, Erica M Dashow, Audrey Thurm, Susan E Swedo, Caroline F Zink
Receiving negative social feedback can be detrimental to emotional, cognitive, and physical well-being, and fear of negative social feedback is a prominent feature of mental illnesses that involve social anxiety. A large body of evidence has implicated the neuropeptides oxytocin and vasopressin in the modulation of human neural activity underlying social cognition, including negative emotion processing; however, the influence of oxytocin and vasopressin on neural activity elicited during negative social evaluation remains unknown...
November 30, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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