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Clinical Neuroscience

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https://www.readbyqxmd.com/read/28817239/novel-dissection-of-the-central-nervous-system-to-bridge-gross-anatomy-and-neuroscience-for-an-integrated-medical-curriculum
#1
Rebecca J Hlavac, Rachel Klaus, Kourtney Betts, Shilo M Smith, Maureen E Stabio
Medical schools in the United States continue to undergo curricular change, reorganization, and reformation as more schools transition to an integrated curriculum. Anatomy educators must find novel approaches to teach in a way that will bridge multiple disciplines. The cadaveric extraction of the central nervous system (CNS) provides an opportunity to bridge gross anatomy, neuroanatomy, and clinical neurology. In this dissection, the brain, brainstem, spinal cord, cauda equina, optic nerve/tract, and eyes are removed in one piece so that the entire CNS and its gateway to the periphery through the spinal roots can be appreciated...
August 17, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28816645/a-systems-model-of-parkinson-s-disease-using-biochemical-systems-theory
#2
Hemalatha Sasidharakurup, Nidheesh Melethadathil, Bipin Nair, Shyam Diwakar
Parkinson's disease (PD), a neurodegenerative disorder, affects millions of people and has gained attention because of its clinical roles affecting behaviors related to motor and nonmotor symptoms. Although studies on PD from various aspects are becoming popular, few rely on predictive systems modeling approaches. Using Biochemical Systems Theory (BST), this article attempts to model and characterize dopaminergic cell death and understand pathophysiology of progression of PD. PD pathways were modeled using stochastic differential equations incorporating law of mass action, and initial concentrations for the modeled proteins were obtained from literature...
August 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28815784/nursing-care-for-stroke-patients-a-survey-of-current-practice-in-eleven-european-countries
#3
Zeliha Tulek, Ingrid Poulsen, Katrin Gillis, Ann-Cathrin Jönsson
AIMS AND OBJECTIVES: To conduct a survey of the clinical nursing practice in European countries in accordance with the European Stroke Strategies (ESS) 2006, and to examine to what extent the ESS have been implemented in stroke care nursing in Europe. BACKGROUND: Stroke is a leading cause of death and disability globally. Optimal organisation of interdisciplinary stroke care is expected to ameliorate outcome after stroke. Consequently, universal access to stroke care based on evidence-based guidelines is a priority...
August 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28811927/premature-deaths-among-individuals-with-severe-mental-illness-after-discharge-from-long-term-hospitalisation-in-japan-a-naturalistic-observation-during-a-24-year-period
#4
Shinsuke Kondo, Yousuke Kumakura, Akiko Kanehara, Daisuke Nagato, Taro Ueda, Tsuneo Matsuoka, Yukiko Tao, Kiyoto Kasai
BACKGROUND: Premature death in individuals with severe mental illness (SMI) in countries without nationally collected data, including Japan, is structurally underreported. AIMS: To elucidate excess mortality among individuals with SMI in Japan. METHOD: We retrospectively investigated all deaths among users of a non-clinical community-based mental health service provider in suburban Tokyo from 1992 to 2015. RESULTS: During the study period, 45 individuals died among 254 qualified registrants...
July 2017: BJPsych Open
https://www.readbyqxmd.com/read/28811538/fine-structure-of-posterior-alpha-rhythm-in-human-eeg-frequency-components-their-cortical-sources-and-temporal-behavior
#5
Elham Barzegaran, Vladimir Y Vildavski, Maria G Knyazeva
Heterogeneity of the posterior alpha rhythm (AR) is a widely assumed but rarely tested phenomenon. We decomposed the posterior AR in the cortical source space with a 3-way PARAFAC technique, taking into account the spatial, frequency, and temporal aspects of mid-density EEG. We found a multicomponent AR structure in 90% of a group of 29 healthy adults. The typical resting-state structure consisted of a high-frequency occipito-parietal component of the AR (ARC1) and a low-frequency occipito-temporal component (ARC2), characterized by individual dynamics in time...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28806269/affective-disorders-and-sexual-function-from-neuroscience-to-clinic
#6
Bernardo C de Abreu Barata
PURPOSE OF REVIEW: Sexual dysfunction is a frequent issue in patients with affective disorders, affecting its quality of life and posing challenges to the approach of these patients. RECENT FINDINGS: In recent years, human sexuality has attracted interest from the scientific community, and today we have a much deeper knowledge of the mechanisms involved in the sexual response. Paraphilias or sexual dysfunctions like low sexual desire, premature ejaculation, and erectile dysfunction, are frequent in affective disorders, and the frequency of each sexual problem varies according to the affective disorder...
August 12, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28806201/brain-gut-microbiota-axis-and-mental-health
#7
Timothy G Dinan, John F Cryan
OBJECTIVE: The brain-gut-microbiota axis has been put forward as a new paradigm in neuroscience, which may be of relevance to mental illness. The mechanisms of signal transmission in the brain-gut-microbiota axis are complex and involve bidirectional communications which enables gut microbes to communicate with the brain, and the brain to communicate with the microbes. This review assesses the potential usefulness and limitations of the paradigm. METHODS: A selective literature review was conducted to evaluate the current knowledge in clinical and pre-clinical brain-gut-microbiota interactions as related to psychiatric disorders...
August 11, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28805580/tourette-syndrome-and-chronic-tic-disorders-the-clinical-spectrum-beyond-tics
#8
Davide Martino, Christos Ganos, Tamara M Pringsheim
The clinical surveillance and active management of Tourette syndrome (TS) and other primary chronic tic disorders cannot be limited to tics, as these patients manifest a spectrum of sensory-, behavioral-, cognitive-, and sleep-related problems that have a major impact on their functioning and quality of life, influencing enormously clinical decision making on a routine basis. The sensory phenomena of primary tic disorders consist of premonitory urges and heightened sensitivity to external somatosensory and interoceptive stimuli...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28802366/formula-for-the-prediction-of-apnea-hypopnea-index-in-children-with-obstructive-sleep-apnea-without-polysomnography-according-to-the-clinical-parameters-is-it-reliable
#9
Zlatko Kljajić, Željka Roje, Kristijan Bečić, Vesna Čapkun, K Vilović, Petar Ivanišević, Eugenija Marušić
PURPOSE OF THE STUDY: The aim of the study was to propose "the risk formula" for obstructive sleep apnea in children according to the general and local clinical parameters and findings relevant for obstructive sleep apnea (OSA) severity. The unmet need for this formula arises from the economic burden of polysomnography (device, staff, training, special sleep centers, etc) as the golden standard for the diagnostics. MATERIALS AND METHODS USED: The study was performed from January 2013 until January 2016 in the Sleep Center, Department for Neuroscience, School of Medicine of the University of Split, Department of Pediatrics, University Hospital Split, Croatia and ENT Dept...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28802219/development-and-validation-of-a-high-performance-liquid-chromatography-tandem-mass-spectrometry-method-to-quantify-ly-354-740-in-rat-and-marmoset-plasma
#10
Fleur Gaudette, Adjia Hamadjida, Dominique Bédard, Stephen G Nuara, Francis Beaudry, Philippe Huot
LY-354,740 (eglumegad) is a selective and potent agonist of the metabotropic glutamate group II receptors (mGluR2,3) that has already entered clinical trials as a potential anti-psychotic agent and therefore has well-documented pharmacokinetic (PK), safety and tolerability profiles in human. Whereas its development as an anti-psychotic agent has not been pursued, LY-354,740 may have potential in other neuroscience-related fields, notably anxiety and neuro-protection. The common marmoset is a small primate that has long been used in neuroscience...
July 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28800118/deep-source-localization-with-magnetoencephalography-based-on-sensor-array-decomposition-and-beamforming
#11
Yegang Hu, Yicong Lin, Baoshan Yang, Guangrui Tang, Tao Liu, Yuping Wang, Jicong Zhang
In recent years, the source localization technique of magnetoencephalography (MEG) has played a prominent role in cognitive neuroscience and in the diagnosis and treatment of neurological and psychological disorders. However, locating deep brain activities such as in the mesial temporal structures, especially in preoperative evaluation of epilepsy patients, may be more challenging. In this work we have proposed a modified beamforming approach for finding deep sources. First, an iterative spatiotemporal signal decomposition was employed for reconstructing the sensor arrays, which could characterize the intrinsic discriminant features for interpreting sensor signals...
August 11, 2017: Sensors
https://www.readbyqxmd.com/read/28792276/oxygen-metabolism-in-acute-ischemic-stroke
#12
Weili Lin, William J Powers
Gaining insights into brain oxygen metabolism has been one of the key areas of research in neurosciences. Extensive efforts have been devoted to developing approaches capable of providing measures of brain oxygen metabolism not only under normal physiological conditions but, more importantly, in various pathophysiological conditions such as cerebral ischemia. In particular, quantitative measures of cerebral metabolic rate of oxygen using positron emission tomography (PET) have been shown to be capable of discerning brain tissue viability during ischemic insults...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28790883/therapeutic-use-of-non-invasive-brain-stimulation-in-dystonia
#13
REVIEW
Angelo Quartarone, Vincenzo Rizzo, Carmen Terranova, Alberto Cacciola, Demetrio Milardi, Alessandro Calamuneri, Gaetana Chillemi, Paolo Girlanda
Repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) are non-invasive methods for stimulating cortical neurons that have been increasingly used in the neurology realm and in the neurosciences applied to movement disorders. In addition, these tools have the potential to be delivered as clinically therapeutic approach. Despite several studies support this hypothesis, there are several limitations related to the extreme variability of the stimulation protocols, clinical enrolment and variability of rTMS and tDCS after effects that make clinical interpretation very difficult...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28783134/assessing-the-effectiveness-of-neurofeedback-training-in-the-context-of-clinical-and-social-neuroscience
#14
REVIEW
Franklin Orndorff-Plunkett, Fiza Singh, Oriana R Aragón, Jaime A Pineda
Social neuroscience benefits from the experimental manipulation of neuronal activity. One possible manipulation, neurofeedback, is an operant conditioning-based technique in which individuals sense, interact with, and manage their own physiological and mental states. Neurofeedback has been applied to a wide variety of psychiatric illnesses, as well as to treat sub-clinical symptoms, and even to enhance performance in healthy populations. Despite growing interest, there persists a level of distrust and/or bias in the medical and research communities in the USA toward neurofeedback and other functional interventions...
August 7, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28780896/addressing-the-unmet-needs-of-current-antidepressants-does-neuroscience-help-or-hinder-clinical-psychopharmacology-research
#15
Joseph F Goldberg, A John Rush
No abstract text is available yet for this article.
August 7, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28774750/advances-in-nonhuman-primate-models-of-autism-integrating-neuroscience-and-behavior
#16
REVIEW
M D Bauman, C S Schumann
Given the prevalence and societal impact of autism spectrum disorders (ASD), there is an urgent need to develop innovative preventative strategies and treatments to reduce the alarming number of cases and improve core symptoms for afflicted individuals. Translational efforts between clinical and preclinical research are needed to (i) identify and evaluate putative causes of ASD, (ii) determine the underlying neurobiological mechanisms, (iii) develop and test novel therapeutic approaches and (iv) ultimately translate basic research into safe and effective clinical practices...
July 31, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28768322/state-dependent-cross-brain-information-flow-in-borderline-personality-disorder
#17
Edda Bilek, Gabriela Stößel, Axel Schäfer, Laura Clement, Matthias Ruf, Lydia Robnik, Corinne Neukel, Heike Tost, Peter Kirsch, Andreas Meyer-Lindenberg
Importance: Although borderline personality disorder (BPD)-one of the most common, burdensome, and costly psychiatric conditions-is characterized by repeated interpersonal conflict and instable relationships, the neurobiological mechanism of social interactive deficits remains poorly understood. Objective: To apply recent advancements in the investigation of 2-person human social interaction to investigate interaction difficulties among people with BPD. Design, Setting, and Participants: Cross-brain information flow in BPD was examined from May 25, 2012, to December 4, 2015, in pairs of participants studied in 2 linked functional magnetic resonance imaging scanners in a university setting...
August 2, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28760698/assessment-of-behavioural-deficits-following-ischaemic-stroke-in-the-marmoset
#18
REVIEW
Rozenn Le Gal, Myriam Bernaudin, Jérôme Toutain, Omar Touzani
Stroke is a common and devastating disease worldwide. Over the last two decades, many therapeutic approaches to ameliorate ischaemic stroke have been promising in animal studies but failed when transferred to the clinical situation. One of the possible explanations for these failures is the widespread use of animal models of cerebral ischemia that do not mimic the pathology encountered in the clinic. Accordingly, many expert committees recommended the integration of higher order species such as non-human primates in pre-clinical stroke studies...
July 29, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28759177/breastfeeding-outcomes-after-oxytocin-use-during-childbirth-an-integrative-review
#19
REVIEW
Elise N Erickson, Cathy L Emeis
INTRODUCTION: Despite widespread use of exogenous synthetic oxytocin during the birth process, few studies have examined the effect of this drug on breastfeeding. Based on neuroscience research, endogenous oxytocin may be altered or manipulated by exogenous administration or by blocking normal function of the hormone or receptor. Women commonly cite insufficient milk production as their reason for early supplementation, jeopardizing breastfeeding goals. Researchers need to consider the role of birth-related medications and interventions on the production of milk...
July 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28757405/the-incidence-morbidity-and-surgical-outcome-of-complex-spinal-inflammatory-syndromes-in-adults
#20
Gábor Czigléczki, Zsolt Benkő, Ferenc Misik, Péter Banczerowski
OBJECTIVE: Spondylodiscitis is a rare inflammatory syndrome affecting intervertebral discs and adjacent vertebral bodies. Without appropriate therapy, many serious complications such as secondary spinal epidural abscess (SEA) may prolong recovery time. The aim of the study is to compare the main characteristics of our patients to the international literature and to analyze the impact of complications associated with spondylodiscitis concerning clinical outcome. METHODS: We designed a retrospective study based on patients of the National Institute of Clinical Neurosciences, Hungary, between 2008 and 2015...
July 27, 2017: World Neurosurgery
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