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https://www.readbyqxmd.com/read/29202381/set-shifting-and-visuospatial-organization-deficits-in-body-dysmorphic-disorder
#1
Jennifer L Greenberg, Hilary Weingarden, Lillian Reuman, Dylan Abrams, Suraj S Mothi, Sabine Wilhelm
Individuals with body dysmorphic disorder (BDD) over-attend to perceived defect(s) in their physical appearance, often becoming "stuck" obsessing about perceived flaws and engaging in rituals to hide flaws. These symptoms suggest that individuals with BDD may experience deficits in underlying neurocognitive functions, such as set-shifting and visuospatial organization. These deficits have been implicated as risk and maintenance factors in disorders with similarities to BDD but have been minimally investigated in BDD...
November 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29190497/red-blood-cell-like-particles-with-the-ability-to-avoid-lung-and-spleen-accumulation-for-the-treatment-of-liver-fibrosis
#2
Koichiro Hayashi, Shota Yamada, Hikaru Hayashi, Wataru Sakamoto, Toshinobu Yogo
Micro-sized drug-carrier particles accumulate mainly in the lungs and nano-sized particles tend to accumulate in the liver and spleen. Here, we show that micro-particles designed to mimic red blood cells (RBCs) can overcome these limitations. The RBC-MPs created in this study have a unique intra-particle elasticity distribution (IED), enabling them to bend around the central axis of the RBC-like dent, enabling them to pass through pores smaller than their diameter, mechanically behaving as authentic RBCs. In contrast, spherical MPs (SPH-MPs) and RBC-MPs hardened by incorporating a siloxane network (SiO2-RBC-MPs), could not...
November 22, 2017: Biomaterials
https://www.readbyqxmd.com/read/29175154/immature-status-epilepticus-in-vitro-models-reveal-differences-in-cholinergic-control-and-hfo-properties-of-adult-ca3-interictal-discharges-in-temporal-vs-septal-hippocampus
#3
Apostolos Mikroulis, Christos Panagiotis Lisgaras, Caterina Psarropoulou
We have earlier demonstrated that a Status Epilepticus (SE) during CNS development has long lasting effects on cholinergic neurotransmission, detectable in vitro and in vivo. In this work, we aimed to localize changes in temporal (T) vs septal (S) hippocampus and to correlate adult CA3 interictal epileptiform discharge (IED) frequency changes to those of Ripples (R) and Fast Ripples (FR) of the High Frequency Oscillations (HFOs). Spontaneous IEDs were induced by bathing slices in Mg2+-free ACSF or in 4-Aminopyridine (4-AP, 50µM) and data were analyzed separately for each model...
November 23, 2017: Neuroscience
https://www.readbyqxmd.com/read/29161919/the-effects-of-adhd-on-cognitive-performance
#4
Emma Claesdotter, Matti Cervin, Sofia Åkerlund, Maria Råstam, Magnus Lindvall
BACKGROUND: Attention-deficit hyperactivity disorder (ADHD) is a common and impairing neurodevelopmental disorder. The Cambridge Neuropsychological Test Automated Battery (CANTAB) is a computerized test battery with standardized procedures and solid psychometric properties targeting multiple neuropsychological functions. AIMS: The aim of this study was to look at the effects of ADHD on cognitive performance using CANTAB expressed as a statistical interaction term in regression modeling...
November 21, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29143477/gastric-venous-congestion-and-bleeding-in-association-with-total-pancreatectomy
#5
Akimasa Nakao, Suguru Yamada, Tsutomu Fujii, Haruyoshi Tanaka, Kenji Oshima, Yukiko Oshima, Kiyotsugu Iede, Hironobu Kobayashi, Yasunori Kimura, Yasuhiro Kodera
BACKGROUND: Gastric venous congestion and bleeding in association with total pancreatectomy (TP) were evaluated. METHODS: Thirty-eight patients of TP were retrospectively analyzed. TP was classified as TP with distal gastrectomy (TPDG), pylorus-preserving TP (PPTP), subtotal stomach-preserving TP (SSPTP), and TP with segmental duodenectomy (TPSD). RESULTS: Portal vein or superior mesenteric vein resection and reconstruction was performed in 24 patients (62...
November 16, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/29124726/the-relation-between-cortisol-and-functional-connectivity-in-people-with-and-without-stress-sensitive-epilepsy
#6
Jonas M den Heijer, Willem M Otte, Eric van Diessen, Jolien S van Campen, E Lorraine Hompe, Floor E Jansen, Marian Joels, Kees P J Braun, Josemir W Sander, Maeike Zijlmans
OBJECTIVE: The most common reported seizure-precipitant is stress. We recently showed a biologic basis for stress sensitivity of seizures: cortisol levels in people with stress-sensitive epilepsy correlated with focal interictal epileptiform discharges (IEDs) on electroencephalography (EEG). Here we aimed to determine whether the effect of cortisol on the epileptic brain is global or focal, and whether cortisol affects all brains or just those of stress-sensitive people. Because epilepsy is associated with changes in functional brain connectivity, we studied the relationship between cortisol and changes in global and focal (node-centered) functional connectivity measures for individuals with stress-sensitive and non-stress-sensitive epilepsy...
November 10, 2017: Epilepsia
https://www.readbyqxmd.com/read/29115338/construction-of-tetrahydropyranoquinoline-derivatives-via-an-asymmetric-organocatalytic-aza-michael-ied-had-cascade-reaction
#7
Lu Dai, Yuxuan Hou, Lvye Zhang, Zhangtao Chen, Xiaofei Zeng, Guofu Zhong
Chiral functionalized tetrahydroquinolines and pyranoquinolines with multiple stereogenic centres have emerged as attractive structures for derivatizing bioactive complex molecules. Herein, we develop a novel, facile organocatalytic asymmetric aza-Michael-IED/HAD cascade reaction of (E)-ethyl 4-(2-(4-methylphenylsulfon amido)phenyl)-2-oxobut-3-enoate and enals. This method enables a convenient, powerful, and atom-economical access to various desired tetrahydropyranoquinoline derivatives with control of four stereogenic centres in good yields (up to 88%) with excellent diastereo- and enantioselectivities (up to >99 : 1 dr and >99% ee, respectively)...
November 22, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/29108660/usefulness-of-electroencephalography-for-the-management-of-epilepsy-in-emergency-departments
#8
A Viloria Alebesque, A López Bravo, E Bellosta Diago, S Santos Lasaosa, J A Mauri Llerda
INTRODUCTION: Electroencephalography (EEG) is an essential diagnostic tool in epilepsy. Its use in emergency departments (ED) is usually restricted to the diagnosis and management of non-convulsive status epilepticus (NCSE). However, EDs may also benefit from EEG in the context of other situations in epilepsy. METHODS: We conducted a retrospective observational study using the clinical histories of patients treated at our hospital's ED for epileptic seizures and suspicion of NCSE and undergoing EEG studies in 2015 and 2016...
November 3, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/29106553/genome-wide-dna-methylation-changes-associated-with-intermittent-explosive-disorder-a-gene-based-functional-enrichment-analysis
#9
Janitza L Montalvo-Ortiz, Huiping Zhang, Chao Chen, Chunyu Liu, Emil F Coccaro
Background: Intermittent explosive disorder (IED) is defined as a recurrent, problematic, and impulsive aggression that affects 3-4% of the U.S. population. While behavioral genetic studies report a substantial degree of genetic influence on aggression and impulsivity, epigenetic mechanisms underlying aggression and IED is not well known. Methods: The sample included 44 subjects (22 with a DSM-5 diagnosis of IED and 22 comparable subjects without IED). Peripheral blood DNA methylome was profiled using the Illumina Infinium HumanMethylation450 Beadchip...
November 2, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29073514/propellant-s-differentiation-using-ftir-photoacoustic-detection-for-forensic-studies-of-improvised-explosive-devices
#10
Ángela Álvarez, Jorge Yáñez, David Contreras, Renato Saavedra, Pedro Sáez, Dulasiri Amarasiriwardena
The use of propellant for making improvised explosive devices (IED) is an incipient criminal practice. Propellant can be used as initiator in explosive mixtures along with other components such as coal, ammonium nitrate, sulfur, etc. The identification of the propellant's brand used in homemade explosives can provide additional forensic information of this evidence. In this work, four of the most common propellant brands were characterized by Fourier-transform infrared photoacoustic spectroscopy (FTIR-PAS) which is a non-destructive micro-analytical technique...
November 2017: Forensic Science International
https://www.readbyqxmd.com/read/29055895/the-pattern-of-paediatric-blast-injury-in-afghanistan
#11
Daniel C Thompson, R J Crooks, J C Clasper, A Lupu, S A Stapley, D J Cloke
INTRODUCTION: Between 2009 and 2015, 3746 children died, and 7904 were injured as a result of armed conflict within Afghanistan. Improvised explosive devices (IEDs) and explosive remnants of war accounted for 29% of child casualties in 2015. The aim of this study was to review the burden of paediatric blast injuries admitted to Camp Bastion, Afghanistan, and to investigate the hypothesis that children suffer proportionally more head injuries than adults. METHOD: A retrospective analysis was undertaken of prospectively collected data derived from the UK Joint Theatre Trauma Registry of ambulant paediatric (aged 2-15 years) admissions with blast injuries at the Role 3 Field Hospital, Camp Bastion from June 2006 to March 2013...
October 21, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29052999/impulsivity-and-compulsivity-in-internet-gaming-disorder-a-comparison-with-obsessive-compulsive-disorder-and-alcohol-use-disorder
#12
Yeon-Jin Kim, Jae A Lim, Ji Yoon Lee, Sohee Oh, Sung Nyun Kim, Dai Jin Kim, Jong Eun Ha, Jun Soo Kwon, Jung-Seok Choi
Background and aims Internet gaming disorder (IGD) is characterized by a loss of control and a preoccupation with Internet games leading to repetitive behavior. We aimed to compare the baseline neuropsychological profiles in IGD, alcohol use disorder (AUD), and obsessive-compulsive disorder (OCD) in the spectrum of impulsivity and compulsivity. Methods A total of 225 subjects (IGD, N = 86; AUD, N = 39; OCD, N = 23; healthy controls, N = 77) were administered traditional neuropsychological tests including Korean version of the Stroop Color-Word test and computerized neuropsychological tests, including the stop signal test (SST) and the intra-extra dimensional set shift test (IED)...
October 20, 2017: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/28988690/impact-of-number-of-co-existing-rotors-and-inter-electrode-distance-on-accuracy-of-rotor-localization
#13
Konstantinos N Aronis, Hiroshi Ashikaga
BACKGROUND: Conflicting evidence exists on the efficacy of focal impulse and rotor modulation on atrial fibrillation ablation. A potential explanation is inaccurate rotor localization from multiple rotors coexistence and a relatively large (9-11mm) inter-electrode distance (IED) of the multi-electrode basket catheter. METHODS AND RESULTS: We studied a numerical model of cardiac action potential to reproduce one through seven rotors in a two-dimensional lattice. We estimated rotor location using phase singularity, Shannon entropy and dominant frequency...
September 1, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28983917/influence-of-the-location-and-type-of-epileptogenic-lesion-on-scalp-interictal-epileptiform-discharges-and-high-frequency-oscillations
#14
Carolina Cuello-Oderiz, Nicolas von Ellenrieder, François Dubeau, Jean Gotman
OBJECTIVE: To increase the diagnostic power of scalp electroencephalography (EEG) by investigating whether lesion type and location influence the morphology of interictal epileptic discharges (IEDs) and the likelihood that IEDs and high-frequency oscillations (HFOs) are present. METHODS: We studied EEG activity in epilepsy patients with lesional epilepsy. Lesions were classified by type and by location (region and depth). We marked a maximum of 50 IEDs during deep non-rapid eye movement sleep...
October 6, 2017: Epilepsia
https://www.readbyqxmd.com/read/28982329/high-resolution-m-mode-evaluation-of-jugular-vein-valves-in-patients-with-neurological-and-neurosensory-disorders
#15
E Menegatti, M Tessari, M E Vannini, S Gianesini, A M Malagoni, A Ciorba, M Mazzoli, F Sisini, F Salvi, S Pelucchi, P Zamboni
BACKGROUND: High prevalence of valve absence was found in the internal jugular vein (IJV) of healthy volunteers by means of M-mode high-resolution echo colour Doppler (ECD). However, the prevalence of valve in neurovascular disorders linked to chronic cerebrospinal venous insufficiency (CCSVI) is still unknown. METHODS: A cohort of 83 healthy controls (HC), 71 multiple sclerosis (MS), 99 Inner Ear Disorders (IED) underwent ECD investigation of the IJV valve, including M-mode evaluation and related haemodynamics...
October 5, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28953759/part-ii-muslims-perceptions-of-british-cobat-troops
#16
Ahmed Hankir, Frederick R Carrick, Rashid Zaman, Jamie Hacker Hughes
BACKGROUND: On the 22(nd) May 2017, suicide bomber Salman Abedi detonated an improvised explosive device (IED) in the Manchester Arena killing 22 people and injuring 116 others. Following the 'massacre in Manchester', the leader of the Labour Party, Jeremy Corbyn, linked UK foreign policy with terrorism on British soil. Controversial and contentious though Corbyn's claims may be, the terrorists themselves have also reported that what motivates them to carry out their abominable atrocities are British military operations in Muslim majority countries...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28952945/detection-of-interictal-discharges-with-convolutional-neural-networks-using-discrete-ordered-multichannel-intracranial-eeg
#17
Andreas Antoniades, Loukianos Spyrou, David Martin-Lopez, Antonio Valentin, Gonzalo Alarcon, Saeid Sanei, Clive Cheong Took
Detection algorithms for electroencephalography (EEG) data, especially in the field of interictal epileptiform discharge (IED) detection, have traditionally employed handcrafted features which utilised specific characteristics of neural responses. Although these algorithms achieve high accuracy, mere detection of an IED holds little clinical significance. In this work, we consider deep learning for epileptic subjects to accommodate automatic feature generation from intracranial EEG data, while also providing clinical insight...
September 22, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28931325/outcomes-of-talus-fractures-associated-with-high-energy-combat-trauma
#18
Travis Junge, Jaime Bellamy, Thomas Dowd, Patrick Osborn
BACKGROUND: Talus fractures are infrequent injuries that are often associated with poor clinical outcomes. Literature reviewing talus fractures is limited to a civilian population, with few studies characterizing these injuries sustained in active duty personnel. The aim of this study was to characterize talus fractures sustained in combat trauma by reporting their surgical outcomes. METHODS: The Department of Defense Trauma Registry (DoDTR) was queried to identify US service members who sustained talus fractures in battle conditions between 2001 and 2014...
December 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28923528/arterial-spin-labeling-hyperperfusion-in-rasmussen-s-encephalitis-is-it-due-to-focal-brain-inflammation-or-a-postictal-phenomenon
#19
Savith Kumar, Chinmay P Nagesh, Bejoy Thomas, Ashalatha Radhakrishnan, Ramshekhar N Menon, Chandrasekharan Kesavadas
BACKGROUND AND PURPOSE: The study evaluated the utility of arterial spin labeling (ASL) perfusion imaging in Rasmussen's encephalitis (RE). MATERIAL AND METHODS: The hospital electronic database was searched using the search words "encephalitis," "autoimmune encephalitis" and "Rasmussen's encephalitis" for the period of 1 Jan 2015 to 31 Jan 2017. Clinically diagnosed cases of RE for which epilepsy protocol magnetic resonance imaging (MRI) with perfusion imaging (ASL) performed on a 3T scanner were retrieved...
September 18, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28918267/compulsivity-in-opioid-dependence
#20
Serenella Tolomeo, Keith Matthews, Douglas Steele, Alex Baldacchino
OBJECTIVE: This study aimed to investigate the relationship between compulsivity versus impulsivity and structural MRI abnormalities in opioid dependence. METHOD: We recruited 146 participants: i) patients with a history of opioid dependence due to chronic heroin use (n=24), ii) heroin users stabilised on methadone maintenance treatment (n=48), iii) abstinent participants with a history of opioid dependence due to heroin use (n=24) and iv) healthy controls (n=50)...
September 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
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