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Clinical Neuroscience

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https://www.readbyqxmd.com/read/28323659/stimulus-induced-rhythmic-periodic-or-ictal-discharges-in-coma-incidence-and-interrater-reliability-of-continuous-eeg-after-a-standard-stimulation-protocol-a-prospective-study
#1
Khalid A Alsherbini, Joao Mc-OʼNeil Plancher, David M Ficker, Brandon P Foreman, Opeolu M Adeoye, Jun Ying, Michael D Privitera
PURPOSE: Stimulus-induced rhythmic, periodic, or ictal discharges (SIRPIDs) are often seen during continuous electroencephalographic (cEEG) monitoring in coma. Given their uncertain clinical significance, our prospective study evaluated incidence of SIRPIDs in comatose patients in the neuroscience intensive care unit (NSICU) who underwent a standard stimulation protocol and defined interreader reliability for cEEG. METHODS: Of 146 patients prospectively screened who underwent cEEG during a 6-month period, 53 patients were included and 93 patients were excluded...
March 17, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28321194/mindfulness-and-emotion-regulation-insights-from-neurobiological-psychological-and-clinical-studies
#2
REVIEW
Simón Guendelman, Sebastián Medeiros, Hagen Rampes
There is increasing interest in the beneficial clinical effects of mindfulness-based interventions (MBIs). Research has demonstrated their efficacy in a wide range of psychological conditions characterized by emotion dysregulation. Neuroimaging studies have evidenced functional and structural changes in a myriad of brain regions mainly involved in attention systems, emotion regulation, and self-referential processing. In this article we review studies on psychological and neurobiological correlates across different empirically derived models of research, including dispositional mindfulness, mindfulness induction, MBIs, and expert meditators in relation to emotion regulation...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28314446/the-insula-an-underestimated-brain-area-in-clinical-neuroscience-psychiatry-and-neurology
#3
REVIEW
Ho Namkung, Sun-Hong Kim, Akira Sawa
Supported by recent human neuroimaging studies, the insula is re-emerging as an important brain area not only in the physiological understanding of the brain, but also in pathological contexts in clinical research. In this opinion article, we briefly introduce the anatomical and histological features of the human insula. We then summarize the physiological functions of the insula and underscore its pathological roles in psychiatric and neurological disorders that have long been underestimated. We finally propose possible strategies through which the role of the insula may be further understood for both basic and clinical neuroscience...
March 14, 2017: Trends in Neurosciences
https://www.readbyqxmd.com/read/28303577/some-do-not-like-it-hot
#4
Matthew C Kiernan
Across the clinical neurosciences, it may be argued that the greatest physiological contributions have been derived in the realm of demyelinating disease This article is protected by copyright. All rights reserved.
March 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28302564/tackling-maladaptive-memories-through-reconsolidation-from-neural-to-clinical-science
#5
James W B Elsey, Merel Kindt
Behavioral neuroscience has greatly informed how we understand the formation, persistence, and plasticity of memory. Research has demonstrated that memory reactivation can induce a labile period, during which previously consolidated memories are sensitive to change, and in need of restabilization. This process is known as reconsolidation. Such findings have advanced not only our basic understanding of memory processes, but also hint at the prospect of harnessing these insights for the development of a new generation of treatments for disorders of emotional memory...
March 18, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28286989/a-precision-medicine-initiative-for-alzheimer-s-disease-the-road-ahead-to-biomarker-guided-integrative-disease-modeling
#6
REVIEW
H Hampel, S E O'Bryant, S Durrleman, E Younesi, K Rojkova, V Escott-Price, J-C Corvol, K Broich, B Dubois, S Lista
After intense scientific exploration and more than a decade of failed trials, Alzheimer's disease (AD) remains a fatal global epidemic. A traditional research and drug development paradigm continues to target heterogeneous late-stage clinically phenotyped patients with single 'magic bullet' drugs. Here, we propose that it is time for a paradigm shift towards the implementation of precision medicine (PM) for enhanced risk screening, detection, treatment, and prevention of AD. The overarching structure of how PM for AD can be achieved will be provided through the convergence of breakthrough technological advances, including big data science, systems biology, genomic sequencing, blood-based biomarkers, integrated disease modeling and P4 medicine...
April 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28284392/diseases-of-the-synaptic-vesicle-a-potential-new-group-of-neurometabolic-disorders-affecting-neurotransmission
#7
E Cortès-Saladelafont, A Tristán-Noguero, R Artuch, X Altafaj, A Bayès, A García-Cazorla
The general concept of inborn error of metabolism is currently evolving into the interface between classical biochemistry and cellular biology. Basic neuroscience is providing increasing knowledge about the mechanisms of neurotransmission and novel related disorders are being described. There is a necessity of updating the classic concept of "inborn error of neurotransmitters (NT)" that considers mainly defects of synthesis and catabolism and transport of low weight NT molecules. Monogenic defects of the synaptic vesicle (SV), and especially those affecting the SV cycle are a potential new group of NT disorders since they end up in abnormal NT turnover and release...
November 2016: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/28284238/applying-current-concepts-in-pain-related-brain-science-to-dance-rehabilitation
#8
Sarah B Wallwork, Valeria Bellan, G Lorimer Moseley
Dance involves exemplary sensory-motor control, which is subserved by sophisticated neural processing at the spinal cord and brain level. Such neural processing is altered in the presence of nociception and pain, and the adaptations within the central nervous system that are known to occur with persistent nociception or pain have clear implications for movement and, indeed, risk of further injury. Recent rapid advances in our understanding of the brain's representation of the body and the role of cortical representations, or "neurotags," in bodily protection and regulation have given rise to new strategies that are gaining traction in sports medicine...
March 1, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/28283392/addictions-neuroclinical-assessment-a-reverse-translational-approach
#9
REVIEW
Laura E Kwako, Reza Momenan, Erica N Grodin, Raye Z Litten, David Goldman
Incentive salience, negative emotionality, and executive function are functional domains that are etiologic in the initiation and progression of addictive disorders, having been implicated in humans with addictive disorders and in animal models of addictions. Measures of these three neuroscience-based functional domains can capture much of the effects of inheritance and early exposures that lead to trait vulnerability shared across different addictive disorders. For specific addictive disorders, these measures can be supplemented by agent specific measures such as those that access pharmacodynamic and pharmacokinetic variation attributable to agent-specific gatekeeper molecules including receptors and drug-metabolizing enzymes...
March 7, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28280463/notes-on-human-trials-of-transcranial-direct-current-stimulation-between-1960-and-1998
#10
REVIEW
Zeinab Esmaeilpour, Pedro Schestatsky, Marom Bikson, André R Brunoni, Ada Pellegrinelli, Fernanda X Piovesan, Mariana M S A Santos, Renata B Menezes, Felipe Fregni
Background: Transcranial direct current stimulation (tDCS) is investigated to modulate neuronal function including cognitive neuroscience and neuropsychiatric therapies. While cases of human stimulation with rudimentary batteries date back more than 200 years, clinical trials with current controlled stimulation were published intermittently since the 1960s. The modern era of tDCS only started after 1998. Objectives: To review methods and outcomes of tDCS studies from old literature (between 1960 and 1998) with intention of providing new insight for ongoing tDCS trials and development of tDCS protocols especially for the purpose of treatment...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28279735/development-of-a-pharmacodynamic-biomarker-to-measure-target-engagement-from-inhibition-of-the-ngf-trka-pathway
#11
Eric A Price, Alicja Krasowska-Zoladek, Kausik K Nanda, Shawn J Stachel, Darrell A Henze
BACKGROUND: NGF signaling through TrkA triggers pathways involved in a wide range of biological effects. Clinical trials targeting either NGF or TrkA are ongoing to treat various diseases in the areas of oncology, neuroscience, and for pain, but there is no described measure of target engagement of TrkA in these studies. NEW METHOD: We have developed custom ELISA assays to measure NGF-induced phosphorylation of TrkA specific for rodent and human receptors. Optimized tissue processing methods allow for detection in both the brain and in skin...
March 7, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28276522/experimental-assessment-of-the-safety-and-potential-efficacy-of-high-irradiance-photostimulation-of-brain-tissues
#12
Senova Suhan, Scisniak Ilona, Chiang Chih-Chieh, Doignon Isabelle, Palfi Stéphane, Chaillet Antoine, Martin Claire, Pain Frédéric
Optogenetics is widely used in fundamental neuroscience. Its potential clinical translation for brain neuromodulation requires a careful assessment of the safety and efficacy of repeated, sustained optical stimulation of large volumes of brain tissues. This study was performed in rats and not in non-human primates for ethical reasons. We studied the spatial distribution of light, potential damage, and non-physiological effects in vivo, in anesthetized rat brains, on large brain volumes, following repeated high irradiance photo-stimulation...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28274684/high-frequency-ultrasound-sacral-images-in-the-critically-ill-tissue-characteristics-versus-visual-evaluation
#13
Mary Jo Grap, Christine M Schubert, Ruth S Burk, Valentina Lucas, Paul A Wetzel, Anathea Pepperl, Cindy L Munro
PURPOSE: High frequency ultrasound (HFUS) systems may identify tissue injury. We compared HFUS tissue characteristics (dermal thickness and dermal density) with visual image examination. METHODS: Longitudinal study in critically ill mechanically ventilated adults, from three ICUs (Surgical Trauma, Medical Respiratory, Neuroscience) enrolled within 24hours of airway intubation. Sacral HFUS images were obtained daily for up to seven days. Expert evaluation of the best image per day was completed and compared to HFUS generated tissue characteristics (dermal thickness and dermal density)...
March 5, 2017: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/28274677/pediatric-irritability-a-systems-neuroscience-approach
#14
REVIEW
Ellen Leibenluft
Irritability, defined as an increased propensity to exhibit increased anger relative to one's peers, is a common clinical problem in youth. Irritability can be conceptualized as aberrant responses to frustration (where frustration is the emotional response to blocked goal attainment) and/or aberrant 'approach' responses to threat. Irritable youth show hyper-reactivity to threat mediated by dysfunction in amygdala, medial prefrontal cortex (mPFC), anterior cingulate cortex (ACC), insula, striatum, and association cortex...
March 5, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28273522/determination-of-catecholamines-and-endogenous-related-compounds-in-rat-brain-tissue-exploring-their-native-fluorescence-and-liquid-chromatography
#15
Beatriz M Fonseca, Márcio Rodrigues, Ana C Cristóvão, Daniela Gonçalves, Ana Fortuna, Liliana Bernardino, Amílcar Falcão, Gilberto Alves
The profiling analysis of catecholamines and their metabolites in brain tissue offers a crucial key to understand their functions in the body and the opportunity to follow up neural diseases. A rapid and simple liquid chromatography-fluorescence detection (LC-FLD) method was developed and validated for simultaneously measuring several catecholamines and endogenous related compounds in the rat brain tissue samples. The target analytes measured in this bioanalytical assay were levodopa (L-DOPA), dopamine (DA), norepinephrine (NE), epinephrine (E), 3-O-methyldopa (3-O-MD), and homovanillic acid (HVA), being the 3,4-dihydroxybenzylamine (DHBA) used as internal standard (IS)...
April 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28273291/an-integrated-neuroscience-perspective-on-formulation-and-treatment-planning-for-posttraumatic-stress-disorder-an-educational-review
#16
David A Ross, Melissa R Arbuckle, Michael J Travis, Jennifer B Dwyer, Gerrit I van Schalkwyk, Kerry J Ressler
Importance: Posttraumatic stress disorder (PTSD) is a common psychiatric illness, increasingly in the public spotlight in the United States due its prevalence in the soldiers returning from combat in Iraq and Afghanistan. This educational review presents a contemporary approach for how to incorporate a modern neuroscience perspective into an integrative case formulation. The article is organized around key neuroscience "themes" most relevant for PTSD. Within each theme, the article highlights how seemingly diverse biological, psychological, and social perspectives all intersect with our current understanding of neuroscience...
March 8, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28273288/integrating-a-neuroscience-perspective-into-clinical-psychiatry-today
#17
Melissa R Arbuckle, Michael J Travis, David A Ross
No abstract text is available yet for this article.
March 8, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28272027/in-vitro-biocompatibility-and-electrical-stability-of-thick-film-platinum-gold-alloy-electrodes-printed-on-alumina
#18
Alejandro Carnicer-Lombarte, Henry Lancashire, Anne Vanhoestenberghe
OBJECTIVE: High-density electrode arrays are a powerful tool in both clinical neuroscience and basic research. However, current manufacturing techniques require the use of specialised techniques and equipment, which are available to few labs. We have developed a high-density electrode array with customisable design, manufactured using simple printing techniques and with commercially available materials. APPROACH: Electrode arrays were manufactured by thick-film printing a platinum-gold alloy (Pt/Au) and an insulating dielectric on 96% alumina ceramic plates...
March 8, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28271904/discovering-the-impact-of-psychotherapeutic-hospital-treatment-for-adults-with-serious-mental-illness
#19
Jon G Allen, J Christopher Fowler, Alok Madan, Thomas E Ellis, John M Oldham, B Christopher Frueh
The authors summarize findings from a multiyear research project designed primarily to investigate outcomes of intensive, psychotherapeutic hospital treatment lasting several weeks. Patients are assessed with well-established measures at admission, and their progress is reassessed biweekly up to discharge. A follow-up component was added recently to track outcomes for 1 year after discharge. All inpatient assessments are integrated with clinical care by providing individual results for each time point to the patient and the treatment team...
2017: Bulletin of the Menninger Clinic
https://www.readbyqxmd.com/read/28269550/modular-multipin-electrodes-for-comfortable-dry-eeg
#20
P Fiedler, D Strohmeier, A Hunold, S Griebel, R Muhle, M Schreiber, P Pedrosa, B Vasconcelos, C Fonseca, F Vaz, J Haueisen
Electrode and cap concepts for continuous and ubiquitous monitoring of brain activity will open up new fields of application and contribute to increased use of electroencephalography (EEG) in clinical routine, neurosciences, brain-computer-interfacing and out-of-the-lab monitoring. However, mobile and unobtrusive applications are currently hindered by the lack of applicable convenient and reliable electrode and cap systems. We propose a novel modular electrode concept based on a flexible polymer substrate, coated with electrically conductive metallic films...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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