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https://www.readbyqxmd.com/read/28988573/alcohol-s-effects-on-the-brain-neuroimaging-results-in-humans-and-animal-models
#1
Natalie M Zahr, Adolf Pfefferbaum
Brain imaging technology has allowed researchers to conduct rigorous studies of the dynamic course of alcoholism through periods of drinking, sobriety, and relapse and to gain insights into the effects of chronic alcoholism on the human brain. Magnetic resonance imaging (MRI) studies have distinguished alcohol-related brain effects that are permanent from those that are reversible with abstinence. In support of postmortem neuropathological studies showing degeneration of white matter, MRI studies have shown a specific vulnerability of white matter to chronic alcohol exposure...
2017: Alcohol Research: Current Reviews
https://www.readbyqxmd.com/read/28983238/unique-neural-characteristics-of-atypical-lateralization-of-language-in-healthy-individuals
#2
Szymon P Biduła, Łukasz Przybylski, Mikołaj A Pawlak, Gregory Króliczak
Using functional magnetic resonance imaging (fMRI) in 63 healthy participants, including left-handed and ambidextrous individuals, we tested how atypical lateralization of language-i. e., bilateral or right hemispheric language representation-differs from the typical left-hemisphere dominance. Although regardless of their handedness, all 11 participants from the atypical group engaged classical language centers, i.e., Broca's and Wernicke's areas, the right-hemisphere components of the default mode network (DMN), including the angular gyrus and middle temporal gyrus, were also critically involved during the verbal fluency task...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28946567/pet-imaging-of-tau-pathology-and-relationship-to-amyloid-longitudinal-mri-and-cognitive-change-in-down-syndrome-results-from-the-down-syndrome-biomarker-initiative-dsbi
#3
Michael S Rafii, Ana S Lukic, Randolph D Andrews, James Brewer, Robert A Rissman, Stephen C Strother, Miles N Wernick, Craig Pennington, William C Mobley, Seth Ness, Dawn C Matthews
BACKGROUND: Adults with Down syndrome (DS) represent an enriched population for the development of Alzheimer's disease (AD), which could aid the study of therapeutic interventions, and in turn, could benefit from discoveries made in other AD populations. OBJECTIVES: 1) Understand the relationship between tau pathology and age, amyloid deposition, neurodegeneration (MRI and FDG PET), and cognitive and functional performance; 2) detect and differentiate AD-specific changes from DS-specific brain changes in longitudinal MRI...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28941779/historical-and-conceptual-aspects-of-motor-disorders-in-the-psychoses
#4
German E Berrios, Ivana S Marková
Historical epistemology is a useful method to understand the longitudinal construction of the movement disorders in psychiatry. Four periods can be identified in such a process. The first, extending from Classical times to the work of Griesinger, included disorders such as catalepsy, crocidism, epilepsy and paralysis. The second period, stretching from Griesinger to Kahlbaum, concentrated on the study of melancholia attonita, stupor and catatonia. The third period, covering the time from Kahlbaum to WWI, witnessed important conceptual shifts such as: the transformation of madness into psychoses; the redefinition of movement and motility in psychiatry; the appearance of self-contained syndromes as dyskinesias, tics, akathisia, complex disorders like the cases of encephalitis lethargica, etc...
September 20, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28935966/silent-sentence-completion-shows-superiority-localizing-wernicke-s-area-and-activation-patterns-of-distinct-language-paradigms-correlate-with-genomics-prospective-study
#5
Kamel El Salek, Islam S Hassan, Aikaterini Kotrotsou, Srishti Abrol, Scott H Faro, Feroze B Mohamed, Pascal O Zinn, Wei Wei, Nan Li, Ashok J Kumar, Jeffrey S Weinberg, Jeffrey S Wefel, Shelli R Kesler, Ho-Ling Anthony Liu, Ping Hou, R Jason Stafford, Sujit Prabhu, Raymond Sawaya, Rivka R Colen
Preoperative mapping of language areas using fMRI greatly depends on the paradigms used, as different tasks harness distinct capabilities to activate speech processing areas. In this study, we compared the ability of 3 covert speech paradigms: Silent Sentence Completion (SSC), category naming (CAT) and verbal fluency (FAS), in localizing the Wernicke's area and studied the association between genomic markers and functional activation. Fifteen right-handed healthy volunteers and 35 mixed-handed patients were included...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28924437/fundus-findings-in-wernicke-encephalopathy
#6
Tal Serlin, Elad Moisseiev
Wernicke encephalopathy (WE) is an acute neuropsychiatric syndrome resulting from thiamine (vitamin B1) deficiency, classically characterized by the triad of ophthalmoplegia, confusion, and ataxia. While commonly associated with chronic alcoholism, WE may also occur in the setting of poor nutrition or absorption. We present a 37-year-old woman who underwent laparoscopic sleeve gastrectomy and presented with visual disturbance with bilateral horizontal nystagmus, confusion, and postural imbalance. Fundus examination revealed bilateral optic disc edema with a retinal hemorrhage in the left eye...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28906259/radiation-and-immunotherapy-in-high-grade-gliomas-where-do-we-stand
#7
Elizabeth Reznik, Andrew W Smith, Shoshana Taube, Justin Mann, Menachem Z Yondorf, Bhupesh Parashar, A Gabriella Wernicke
High-grade glioma is the most common primary brain tumor, with glioblastoma multiforme (GBM) accounting for 52% of all brain tumors. The current standard of care (SOC) of GBM involves surgery followed by adjuvant fractionated radiotherapy and chemotherapy. However, little progress has been made in extending overall survival, progression-free survival, and quality of life. Attempts to characterize and customize treatment of GBM have led to mitigating the deleterious effects of radiotherapy using hypofractionated radiotherapy, as well as various immunotherapies as a promising strategy for the incurable disease...
September 12, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28901332/prolonged-hypotension-associated-with-wernicke-s-encephalopathy
#8
H Maeda, A Kuriyama, T Tanaka
A diagnosis of Wernicke's encephalopathy (WE) is difficult. Transient hypotension has been reported as a rare complication of WE. We herein report a case of prolonged hypotension and dysuautonomia associated with WE in a 69-year-old man with underlying alcohol abuse. Without apparent etiology of shock, this patient remained hypotensive for 9 days, requiring a vasopressor, despite daily administration of thiamine 600 mg. Fluctuation of blood pressure caused by postural change and bradycardia in the presence of shock indicated that this patient had dysautonomia...
September 13, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28882421/-18-f-fdg-pet-hypometabolism-patterns-reflect-clinical-heterogeneity-in-sporadic-forms-of-early-onset-alzheimer-s-disease
#9
Matthieu Vanhoutte, Franck Semah, Adeline Rollin Sillaire, Alice Jaillard, Grégory Petyt, Grégory Kuchcinski, Aurélien Maureille, Xavier Delbeuck, Rachid Fahmi, Florence Pasquier, Renaud Lopes
Until now, hypometabolic patterns and their correlations with neuropsychological performance have not been assessed as a function of the various presentations of sporadic early-onset Alzheimer's disease (EOAD). Here, we processed and analyzed the patients' metabolic maps at the vertex and voxel levels by using a nonparametric, permutation method that also regressed out the effects of cortical thickness and gray matter volume, respectively. The hypometabolism patterns in several areas of the brain were significantly correlated with the clinical manifestations...
November 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28879936/gestational-wernicke-s-encephalopathy
#10
Vidhi S Shah, Maheshkumar Shanmugam, Akkayasamy Kowsalya, K G Srinivasan, Prathibha Siddappa, Vellaiappan Neethiarasu, Anand K Annamalai
No abstract text is available yet for this article.
September 2017: Neurology India
https://www.readbyqxmd.com/read/28875427/epileptic-seizures-in-nonalcoholic-wernicke-s-encephalopathy-a-case-report-and-literature-review
#11
Wenjin Shang, Xiuhui Chen, Xunhua Li, Hongbing Chen, Shujin Tang, Hua Hong
Wernicke encephalopathy (WE) is characterized by eye signs, cerebellar dysfunction, and confusion. Epileptic seizures are rare in nonalcoholic WE. We reviewed the clinical, laboratory, radiological, and prognostic characteristics of nonalcoholic WE accompanied by epileptic seizures. We reported 1 case and searched similar cases using PubMed, WoK, Ovid, and Embase. WE was diagnosed according to dietary deficiencies, clinical symptoms and brain magnetic resonance imaging (MRI). We reviewed 13 patients (median age, 27 years; 5 men) with clear histories of thiamine deficiency and symptoms of typical WE...
September 6, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28867997/autism-spectrum-disorder-related-functional-connectivity-changes-in-the-language-network-in-children-adolescents-and-adults
#12
Yubu Lee, Bo-Yong Park, Oliver James, Seong-Gi Kim, Hyunjin Park
Autism spectrum disorder (ASD) is a neurodevelopmental disability with global implication. Altered brain connectivity in the language network has frequently been reported in ASD patients using task-based functional magnetic resonance imaging (fMRI) compared to typically developing (TD) participants. Most of these studies have focused on a specific age group or mixed age groups with ASD. In the current study, we investigated age-related changes in functional connectivity related measure, degree centrality (DC), in the language network across three age groups with ASD (113 children, 113 adolescents and 103 adults) using resting-state fMRI data collected from the autism brain imaging data exchange repository...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28806599/resting-state-functional-connectivity-of-the-anterior-striatum-and-prefrontal-cortex-predicts-reading-performance-in-school-age-children
#13
Sarael Alcauter, Liliana García-Mondragón, Zeus Gracia-Tabuenca, Martha B Moreno, Juan J Ortiz, Fernando A Barrios
The current study investigated the neural basis of reading performance in 60 school-age Spanish-speaking children, aged 6 to 9years. By using a data-driven approach and an automated matching procedure, we identified a left-lateralized resting state network that included typical language regions (Wernicke's and Broca's regions), prefrontal cortex, pre- and post-central gyri, superior and middle temporal gyri, cerebellum, and subcortical regions, and explored its relevance for reading performance (accuracy, comprehension and speed)...
August 12, 2017: Brain and Language
https://www.readbyqxmd.com/read/28780063/reorganization-of-language-centers-in-patients-with-brain-tumors-located-in-eloquent-speech-areas-a-pre-and-postoperative-preliminary-fmri-study
#14
Katarzyna Gębska-Kośla, Bartosz Bryszewski, Dariusz J Jaskólski, Jan Fortuniak, Maciej Niewodniczy, Ludomir Stefańczyk, Agata Majos
INTRODUCTION: The aim of this study was to determine in pre- and postsurgical fMRI studies the rearrangement of the Broca's and Wernicke's areas and the lateralization index for these areas in patients with brain tumors located near speech centers. Impact of the surgical treatment on the brain plasticity was evaluated. MATERIALS AND METHODS: Pre- and postoperative fMRI examinations were performed in 10 patients with low grade glial, left-sided brain tumors located close to the Broca's (5 patients) or Wernicke's area (5 patients)...
September 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28765488/wernicke%C3%A3-%C3%A2-%C3%A2-s-encephalopathy-associated-with-liver-abscess
#15
Rajesh Verma, Vipul Garg
Wernicke's encephalopathy is a rare neurological disorder caused by thiamine deficiency, characterised by ocular motor dysfunction, ataxia and impairment in consciousness. It predominantly affects brain regions with a high metabolic rate such as mammillary bodies, medial thalamic nuclei, the tectal region and the cerebellum. Although chronic alcoholism is the most common cause of Wernicke's encephalopathy, various other conditions not related to alcohol consumption such as bariatric surgery, acute pancreatitis, hyperemesis gravidarum, prolonged fasting and gastrointestinal surgery have been implicated in its aetiology...
July 31, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28752511/wernicke-s-encephalopathy-after-bariatric-surgery-with-atypical-magnetic-resonance-imaging-a-case-report
#16
Bo-An Chen, Lu-An Chen Chen
Wernicke's encephalopathy (WE) is a disease caused by thiamine deficiency related to alcoholism, hyperemesis, or thiamine malabsorption. The clinical manifestations of WE are mental change, ataxia, and ophthalmoplegia. The typical magnetic resonance imaging (MRI) findings of WE are symmetrical involvement of medial thalamus, periventricular region of the third ventricle, periaqueductal area, and mammillary body. The atypical MRI findings are more common in nonalcoholic WE. Since the increasing population of obesity and the preference of weight loss surgery, the risk of developing thiamine deficiencies associated with weight loss surgery has become a considerable etiology of WE...
March 15, 2017: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/28745996/nystagmus-from-wernicke-s-encephalopathy
#17
Pria Anand, Daniel R Gold
A 28-year-old woman presented to the emergency department with vertigo, confusion, and falls 2 weeks after a surgical abortion at 11 weeks of gestation. Her pregnancy had been complicated by persistent hyperemesis gravidarum. An examination revealed spontaneous upbeat nystagmus (Video 1),..
July 27, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28740788/acellular-dermal-matrix-versus-inferior-deepithelialized-flap-breast-reconstruction-equivalent-outcomes-with-increased-cost
#18
Heidi H Hon, Ronnie N Mubang, Brian D Wernick, Samuel F Freedman, Jill C Stoltzfus, Lino F Miele, Stanislaw P Stawicki, W Michael Morrissey
BACKGROUND: Approximately 250,000 new cases of breast cancer are diagnosed yearly in the U.S. resulting in more postmastectomy breast reconstructions (PMBRs). The acellular dermal matrix (ADM) expander-implant method became popular in the mid-2000s, but newer techniques such as the inferior deepithelialized flap (IDF) has more recently been described. We hypothesize that ADMs and IDFs provide comparable aesthetic outcomes, with no difference in complication rates and operative characteristics...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28736097/alcoholic-pellagra-as-a-cause-of-altered-mental-status-in-the-emergency-department
#19
Sarah Kyuragi Luthe, Ryota Sato
BACKGROUND: Pellagra, which is caused by a deficiency of niacin and tryptophan, the precursor of niacin, is a rare disease in developed countries where alcoholism is a major risk factor due to malnutrition and lack of B vitamins. Although pellagra involves treatable dementia and psychosis, it is often underdiagnosed, especially in developed countries. CASE REPORT: In Japan, a 37-year-old man presented to the emergency department with altered mental status and seizures...
July 20, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28722480/efficacy-and-safety-of-biosimilar-sar342434-insulin-lispro-in-adults-with-type-1-diabetes-also-using-insulin-glargine-sorella-1-study
#20
Satish K Garg, Karin Wernicke-Panten, Maria Rojeski, Suzanne Pierre, Yvonne Kirchhein, Krystyna Jedynasty
BACKGROUND: SAR342434 is a biosimilar follow-on of insulin lispro-Humalog(®). This study aimed to show similar efficacy, safety, and immunogenicity of SAR342434 (SAR-Lis) versus insulin lispro-Humalog (Ly-Lis) in adult patients with type 1 diabetes (T1DM) treated with multiple daily injections while using basal insulin glargine (Lantus(®); GLA-100). MATERIALS AND METHODS: SORELLA-1 was a randomized, open-label phase 3 study (NCT02273180). Patients completing the 6-month main study continued on SAR-Lis or Ly-Lis, as randomized, for a 6-month safety extension...
September 2017: Diabetes Technology & Therapeutics
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