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https://www.readbyqxmd.com/read/28206829/validity-of-low-contrast-letter-acuity-as-a-visual-performance-outcome-measure-for-multiple-sclerosis
#1
Laura J Balcer, Jenelle Raynowska, Rachel Nolan, Steven L Galetta, Raju Kapoor, Ralph Benedict, Glenn Phillips, Nicholas LaRocca, Lynn Hudson, Richard Rudick
Low-contrast letter acuity (LCLA) has emerged as the leading outcome measure to assess visual disability in multiple sclerosis (MS) research. As visual dysfunction is one of the most common manifestations of MS, sensitive visual outcome measures are important in examining the effect of treatment. Low-contrast acuity captures visual loss not seen in high-contrast visual acuity (HCVA) measurements. These issues are addressed by the MS Outcome Assessments Consortium (MSOAC), including representatives from advocacy organizations, Food and Drug Administration (FDA), European Medicines Agency (EMA), National Institute of Neurological Disorders and Stroke (NINDS), academic institutions, and industry partners along with persons living with MS...
February 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28031038/using-a-smartphone-app-to-reduce-cognitive-vulnerability-and-mild-depressive-symptoms-study-protocol-of-an-exploratory-randomized-controlled-trial
#2
Cezar Giosan, Cristina Mogoaşe, Oana Cobeanu, Aurora Szentágotai Tătar, Vlad Mureşan, Rareș Boian
BACKGROUND: Depression is a major challenge worldwide, with significant increasing personal, economic, and societal costs. Although empirically supported treatments have been developed, they are not always available for patients in routine clinical care. Therefore, we need effective and widely accessible strategies to prevent the onset of the very first depressive symptoms. Mental health apps could prove a valuable solution for this desideratum. Although preliminary research has indicated that such apps can be useful in treating depression, no study has attempted to test their utility in preventing depressive symptoms...
December 28, 2016: Trials
https://www.readbyqxmd.com/read/28027555/vestibular-and-acustic-dysfunctions-in-clean-up-workers-of-chornobyl-accident-30-years-of-follow-up
#3
D I Zabolotnyi, N S Mishchanchuk
OBJECTIVE: The objective of the work was to study the clinical and electrophysiological disorders in vestibular and acustic dysfunctions in clean up workers of Chornobyl accident depending on the dose and duration of action of ion izing radiation, the peculiarities of determined effects for 30 years after the accident. MATERIALS AND METHODS: The standard clinical and electrophysiological examinations of vestibular and acoustic ana lyzers functions were conducted in 7812 males' clean up workers including 325 persons selected for prolonged stud ies in 1986 2015...
December 2016: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/27917212/stroke-in-patients-with-diabetes-mellitus-a-study-from-north-western-nigeria
#4
Lukman Owolabi, Mansur Nagode, Aliyu Ibrahim, Andrew Uloko, Ibrahim Gezawa, Mohammad Datti
BACKGROUND: Stroke is one of the major causes of morbidity and mortality worldwide and apart from being exceedingly harmful in diabetics, stroke is a disabling disorder. The study was undertaken to describe the clinical characteristics, outcome pattern and predictors of mortality in a cohort of diabetic patients presenting with stroke in two tertiary health facilities in North Western Nigeria. METHOD: Out of all stroke patients seen from June 2007 to February 2011, persons with diabetes mellitus presenting with stroke in the emergency unit of the two tertiary hospitals in Kano were consecutively recruited for the study...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27876129/metabolic-syndrome-a-truly-psychosomatic-disorder-a-global-hypothesis
#5
Shrikant Madhukar Ghike
Exact cause of the metabolic syndrome [MS], a global epidemic, is still unclear. Man has same fundamental needs to live as animals but modern man's life-style compels him to acquire certainty of resources for all his needs in a complex social network. Today money has become the sole life essential need. Contrarily none of the animals needs to earn money. Brain is also an organ of the human body with a unique thought process to define logical actions to achieve a person's goals. This way life is a flow of desires followed by logical actions...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27872027/how-the-emotional-motor-system-controls-the-pelvic-organs
#6
REVIEW
Gert Holstege
INTRODUCTION: The brain has two goals: survival of the individual and survival of the species. It ensures that the body resides in safe circumstances and can obtain sufficient drink and food. It also has to produce and protect offspring. Its most important tool is its motor system, which consists of the voluntary and emotional motor systems. AIM: To explain how the brain uses its emotional motor system to control the pelvic organs. METHODS: Anatomic and physiologic data in cats and humans are used to find out how this motor system works and what parts of the brain and brainstem are involved...
October 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/27719879/imaging-studies-of-functional-neurologic-disorders
#7
S Aybek, P Vuilleumier
Brain imaging techniques provide unprecedented opportunities to study the neural mechanisms underlying functional neurologic disorder (FND, or conversion disorder), which have long remained a mystery and clinical challenge for physicians, as they arise with no apparent underlying organic disease. One of the first questions addressed by imaging studies concerned whether motor conversion deficits (e.g., hysteric paralysis) represent a form of (perhaps unconscious) simulation, a mere absence of voluntary movement, or more specific disturbances in motor control (such as abnormal inhibition)...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27710783/context-processing-and-the-neurobiology-of-post-traumatic-stress-disorder
#8
REVIEW
Israel Liberzon, James L Abelson
Progress in clinical and affective neuroscience is redefining psychiatric illness as symptomatic expression of cellular/molecular dysfunctions in specific brain circuits. Post-traumatic stress disorder (PTSD) has been an exemplar of this progress, with improved understanding of neurobiological systems subserving fear learning, salience detection, and emotion regulation explaining much of its phenomenology and neurobiology. However, many features remain unexplained and a parsimonious model that more fully accounts for symptoms and the core neurobiology remains elusive...
October 5, 2016: Neuron
https://www.readbyqxmd.com/read/27693229/the-research-domain-criteria-framework-the-case-for-anterior-cingulate-cortex
#9
REVIEW
Clay B Holroyd, Akina Umemoto
The United States National Institute of Mental Health has recently promoted the Research Domain Criteria framework, which emphasizes the study of neurocognitive constructs that cut across different disorders. These constructs are said to express dimensionally across the population, giving rise to psychopathologies only in the extreme cases where that expression is maladaptive. Inspired by the RDoC framework, we propose that recent insights into the function of anterior cingulate cortex (ACC), a brain area said to be responsible for selecting and motivating extended behaviors, may elucidate the etiology of a diverse array of mental disorders...
December 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27604609/the-microbiota-and-gut-brain-axis-contributions-to-the-immunopathogenesis-of-schizophrenia
#10
Javier R Caso, Vicent Balanzá-Martínez, Tomás Palomo, Borja García-Bueno
BACKGROUND: The underlying pathophysiology of schizophrenia still remains elusive. Thus, there is a pressing need to identify novel targets for the development of new interventions and elucidate related biomarkers for the identification and monitoring of potentially responsive patients. In this sense, several hypotheses involving immune/inflammatory changes and the consequent oxidative/nitrosative stress, as well as a dysregulation in the immuno-inflammatory response have come into sight...
September 6, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27570959/-on-the-university-of-recovery
#11
Jean-François Pelletier, Christine Boisvert, Marie-Claude Galipeau-Leduc, Christian Ducasse, Denis Pouliot-Morneau, Julie Bordeleau
Objectives Located at the heart of a mental health university institute in Montreal, Canada, the University of Recovery (UR) is a peer-run agency of service users who came together as a private non-profit organization to promote their experiential knowledge in science and public health, and to transform the academic milieu as an inclusive work environment conducive to recovery and full citizenship. UR students can thus have access to scientific conferences and classes on various topics and invite scientists or other professionals to further discuss new discoveries and techniques, and possible ways of improving healthcare from a patients' and service users' perspective...
December 0: Santé Mentale Au Québec
https://www.readbyqxmd.com/read/27570685/comparative-evaluation-for-brain-structural-connectivity-approaches-towards-integrative-neuroinformatics-tool-for-epilepsy-clinical-research
#12
Sheng Yang, Curtis Tatsuoka, Kaushik Ghosh, Nuria Lacuey-Lecumberri, Samden D Lhatoo, Satya S Sahoo
Recent advances in brain fiber tractography algorithms and diffusion Magnetic Resonance Imaging (MRI) data collection techniques are providing new approaches to study brain white matter connectivity, which play an important role in complex neurological disorders such as epilepsy. Epilepsy affects approximately 50 million persons worldwide and it is often described as a disorder of the cortical network organization. There is growing recognition of the need to better understand the role of brain structural networks in the onset and propagation of seizures in epilepsy using high resolution non-invasive imaging technologies...
2016: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/27541949/disrupted-functional-connectome-in-antisocial-personality-disorder
#13
Weixiong Jiang, Feng Shi, Jian Liao, Huasheng Liu, Tao Wang, Celina Shen, Hui Shen, Dewen Hu, Wei Wang, Dinggang Shen
Studies on antisocial personality disorder (ASPD) subjects focus on brain functional alterations in relation to antisocial behaviors. Neuroimaging research has identified a number of focal brain regions with abnormal structures or functions in ASPD. However, little is known about the connections among brain regions in terms of inter-regional whole-brain networks in ASPD patients, as well as possible alterations of brain functional topological organization. In this study, we employ resting-state functional magnetic resonance imaging (R-fMRI) to examine functional connectome of 32 ASPD patients and 35 normal controls by using a variety of network properties, including small-worldness, modularity, and connectivity...
August 19, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27538995/roseolovirus-associated-encephalitis-in-immunocompetent-and-immunocompromised-individuals
#14
Joseph Ongrádi, Dharam V Ablashi, Tetsushi Yoshikawa, Balázs Stercz, Masao Ogata
The roseoloviruses, human herpesvirus (HHV)-6A, HHV-6B, and HHV-7, can cause severe encephalitis or encephalopathy. In immunocompetent children, primary HHV-6B infection is occasionally accompanied by diverse clinical forms of encephalitis. Roseolovirus coinfections with heterologous viruses and delayed primary HHV-7 infection in immunocompetent adults result in very severe neurological and generalized symptoms. Recovery from neurological sequelae is slow and sometimes incomplete. In immunocompromised patients with underlying hematological malignancies and transplantation, frequent single or simultaneous reactivation of roseoloviruses elicit severe, lethal organ dysfunctions, including damages in the limbic system, brain stem, and hippocampus...
August 18, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27515174/anxious-personality-and-functional-efficiency-of-the-insular-opercular-network-a-graph-analytic-approach-to-resting-state-fmri
#15
Sebastian Markett, Christian Montag, Martin Melchers, Bernd Weber, Martin Reuter
The brain is an intricate network, not only structurally but also functionally. On the functional level, connectivity in the brain is organized in separable yet interacting networks that support information processing by maintaining a ready state, even in the absence of external stimulation. It has been hypothesized that an insular-opercular network underlies the processing of emotionally salient information and that individual differences in functional connectivity within this network correspond to individual differences in trait anxiety...
December 2016: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/27485752/estimating-functional-brain-networks-by-incorporating-a-modularity-prior
#16
Lishan Qiao, Han Zhang, Minjeong Kim, Shenghua Teng, Limei Zhang, Dinggang Shen
Functional brain network analysis has become one principled way of revealing informative organization architectures in healthy brains, and providing sensitive biomarkers for diagnosis of neurological disorders. Prior to any post hoc analysis, however, a natural issue is how to construct "ideal" brain networks given, for example, a set of functional magnetic resonance imaging (fMRI) time series associated with different brain regions. Although many methods have been developed, it is currently still an open field to estimate biologically meaningful and statistically robust brain networks due to our limited understanding of the human brain as well as complex noises in the observed data...
November 1, 2016: NeuroImage
https://www.readbyqxmd.com/read/27428178/are-mental-disorders-brain-diseases-and-what-does-this-mean-a-clinical-neuropsychological-perspective
#17
REVIEW
Stefan Frisch
Neuroscientific research has substantially increased our knowledge about mental disorders in recent years. Along with these benefits, radical postulates have been articulated according to which understanding and treatment of mental disorders should generally be based on biological terms, such as neurons/brain areas, transmitters, genes etc. Proponents of such a 'biological psychiatry' claim that mental disorders are analogous to neurological disorders and refer to neurology and neuropsychology to corroborate their claims...
2016: Psychopathology
https://www.readbyqxmd.com/read/27258100/-i-know-that-you-know-that-i-know-neural-substrates-associated-with-social-cognition-deficits-in-dm1-patients
#18
Laura Serra, Mara Cercignani, Michela Bruschini, Lisa Cipolotti, Matteo Mancini, Gabriella Silvestri, Antonio Petrucci, Elisabetta Bucci, Giovanni Antonini, Loretta Licchelli, Barbara Spanò, Manlio Giacanelli, Carlo Caltagirone, Giovanni Meola, Marco Bozzali
Myotonic dystrophy type-1 (DM1) is a genetic multi-systemic disorder involving several organs including the brain. Despite the heterogeneity of this condition, some patients with non-congenital DM1 can present with minimal cognitive impairment on formal testing but with severe difficulties in daily-living activities including social interactions. One explanation for this paradoxical mismatch can be found in patients' dysfunctional social cognition, which can be assessed in the framework of the Theory of Mind (ToM)...
2016: PloS One
https://www.readbyqxmd.com/read/27102122/comorbidities-of-psychiatric-and-headache-disorders-in-nepal-implications-from-a-nationwide-population-based-study
#19
Ajay Risal, Kedar Manandhar, Are Holen, Timothy J Steiner, Mattias Linde
BACKGROUND: Headache disorders, anxiety and depression - the major disorders of the brain - are highly comorbid in the western world. Whether this is so in South Asia has not been investigated, but the question is of public-health importance to countries in the region. We aimed to investigate associations, and their direction(s), between headache disorders (migraine, tension-type headache [TTH] and headache on ≥15 days/month) and psychiatric manifestations (anxiety, depression and neuroticism), and how these might affect quality of life (QoL)...
2016: Journal of Headache and Pain
https://www.readbyqxmd.com/read/26977400/network-analysis-of-functional-brain-connectivity-in-borderline-personality-disorder-using-resting-state-fmri
#20
Tingting Xu, Kathryn R Cullen, Bryon Mueller, Mindy W Schreiner, Kelvin O Lim, S Charles Schulz, Keshab K Parhi
Borderline personality disorder (BPD) is associated with symptoms such as affect dysregulation, impaired sense of self, and self-harm behaviors. Neuroimaging research on BPD has revealed structural and functional abnormalities in specific brain regions and connections. However, little is known about the topological organizations of brain networks in BPD. We collected resting-state functional magnetic resonance imaging (fMRI) data from 20 patients with BPD and 10 healthy controls, and constructed frequency-specific functional brain networks by correlating wavelet-filtered fMRI signals from 82 cortical and subcortical regions...
2016: NeuroImage: Clinical
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