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https://www.readbyqxmd.com/read/28634340/dispersal-ability-determines-the-scaling-properties-of-species-abundance-distributions-a-case-study-using-arthropods-from-the-azores
#1
Luís Borda-de-Água, Robert J Whittaker, Pedro Cardoso, François Rigal, Ana M C Santos, Isabel R Amorim, Aristeidis Parmakelis, Kostas A Triantis, Henrique M Pereira, Paulo A V Borges
Species abundance distributions (SAD) are central to the description of diversity and have played a major role in the development of theories of biodiversity and biogeography. However, most work on species abundance distributions has focused on one single spatial scale. Here we used data on arthropods to test predictions obtained with computer simulations on whether dispersal ability influences the rate of change of SADs as a function of sample size. To characterize the change of the shape of the SADs we use the moments of the distributions: the skewness and the raw moments...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633986/gray-matter-abnormalities-in-non-comorbid-medication-naive-patients-with-major-depressive-disorder-or-social-anxiety-disorder
#2
Youjin Zhao, Lizhou Chen, Wenjing Zhang, Yuan Xiao, Chandan Shah, Hongru Zhu, Minlan Yuan, Huaiqiang Sun, Qiang Yue, Zhiyun Jia, Wei Zhang, Weihong Kuang, Qiyong Gong, Su Lui
BACKGROUND: An overlap of clinical symptoms between major depressive disorder (MDD) and social anxiety disorder (SAD) suggests that the two disorders exhibit similar brain mechanisms. However, few studies have directly compared the brain structures of the two disorders. The aim of this study was to assess the gray matter volume (GMV) and cortical thickness alterations between non-comorbid medication-naive MDD patients and SAD patients. METHODS: High-resolution T1-weighted images were acquired from 37 non-comorbid MDD patients, 24 non-comorbid SAD patients and 41 healthy controls (HCs)...
June 15, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28633582/dopamine-and-light-effects-on-facial-emotion-recognition
#3
Elizabeth Cawley, Maria Tippler, Nicholas J Coupland, Chawki Benkelfat, Diane B Boivin, Marije Aan Het Rot, Marco Leyton
Bright light can affect mood states and social behaviours. Here, we tested potential interacting effects of light and dopamine on facial emotion recognition. Participants were 32 women with subsyndromal seasonal affective disorder tested in either a bright (3000 lux) or dim light (10 lux) environment. Each participant completed two test days, one following the ingestion of a phenylalanine/tyrosine-deficient mixture and one with a nutritionally balanced control mixture, both administered double blind in a randomised order...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28633093/fracture-resistance-of-ceramic-and-polymer-based-occlusal-veneer-restorations
#4
Majed Al-Akhali, Mohamed Sad Chaar, Adham Elsayed, Abdulaziz Samran, Matthias Kern
OBJECTIVES: The purpose of this in vitro study was to evaluate the influence of thermodynamic loading on the durability and fracture resistance behavior of occlusal veneers fabricated from different biomedical dental CAD/CAM materials. METHODS: The occlusal surfaces of 64 extracted premolars were prepared in the enamel layer and restored with occlusal veneers with a fissure/cusp thickness of 0.5/0.8mm made from four different dental CAD/CAM materials: group LD lithium disilicate (e...
June 13, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28632495/sad-and-lonely-body-dissatisfaction-among-adolescent-girls
#5
Renata Forste, Marina Potter, Lance Erickson
Purpose To further understand the association between body dissatisfaction and sadness/loneliness among adolescent girls, we examine how this association, as reported by pre-teen and adolescent girls, is mediated or moderated by the quality of peer and family relationships. Methods Our data are from the Health Behavior of School-Aged Children 2009-2010, a nationally representative survey of school-aged children in the US. We analyze a sample of 5658 girls in Grades 5 through 10. We utilize ordinary least squares (OLS) regression techniques and adjust for the complex sampling design...
June 21, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28629452/inhibitory-brainstem-reflexes-under-external-emotional-stimuli-in-bipolar-i-and-ii-disorders
#6
Qisha Zhu, Jiawei Wang, Chanchan Shen, Hongying Fan, Bingren Zhang, Guorong Ma, Yanxia Lu, Wei Wang
BACKGROUND: Bipolar disorder types I (BD I) and II (BD II) might present different dysfunctions of the cortex and brainstem, as reflected by the second exteroceptive suppression period of temporalis muscle activity (ES2) under different stimuli of external emotions. METHODS: This study included 30 BD I and 20 BD II patients, and 40 healthy volunteers. All participants were invited to answer the Mood Disorder Questionnaire, the Hypomania Checklist-32, and the Plutchik-van Praag Depression inventory, as well as to undergo the ES2 test under external emotional-stimuli (emotional pictures plus sounds) of Disgust, Erotica, Fear, Happiness, and Sadness...
June 19, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28625231/you-ll-feel-better-in-the-morning-slow-wave-activity-and-overnight-mood-regulation-in-interepisode-bipolar-disorder
#7
A M Soehner, K A Kaplan, J M Saletin, L S Talbot, I S Hairston, J Gruber, P Eidelman, M P Walker, A G Harvey
BACKGROUND: Sleep disturbances are prominent correlates of acute mood episodes and inadequate recovery in bipolar disorder (BD), yet the mechanistic relationship between sleep physiology and mood remains poorly understood. Using a series of pre-sleep mood inductions and overnight sleep recording, this study examined the relationship between overnight mood regulation and a marker of sleep intensity (non-rapid eye movement sleep slow wave activity; NREM SWA) during the interepisode phase of BD...
June 19, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28625039/cooking-methods-and-depressive-symptoms-are-joint-risk-factors-for-fatigue-among-migrant-indonesian-women-working-domestically-in-taiwan
#8
Khairizka Citra Palupi, Chun-Kuang Shih, Jung-Su Chang
BACKGROUND AND OBJECTIVES: Fatigue is a critical occupational health risk among migrant workers. Globally, more than half of migrant workers are women. However, the prevalence rate and risk factors for fatigue in domestically employed migrant women are unknown. METHODS AND STUDY DESIGN: In total, 194 Indonesian women migrants aged 20-50 years who were working in Taipei were studied. Self-perceived acculturation, dietary acculturation, BMI and haemoglobin were evaluated...
June 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28623617/decrease-in-adult-neurogenesis-and-neuroinflammation-are-involved-in-spatial-memory-impairment-in-the-streptozotocin-induced-model-of-sporadic-alzheimer-s-disease-in-rats
#9
Taysa Bervian Bassani, Jéssica M Bonato, Meira M F Machado, Valentín Cóppola-Segovia, Eric L R Moura, Silvio M Zanata, Rúbia M M W Oliveira, Maria A B F Vital
Early impairments in cerebral glucose metabolism and insulin signaling pathways may participate in the pathogenesis of the sporadic form of Alzheimer's disease (sAD). Intracerebroventricular (ICV) injections of low doses of streptozotocin (STZ) are used to mimic sAD and study these alterations in rodents. Streptozotocin causes impairments in insulin signaling and has been reported to trigger several alterations in the brain, such as oxidative stress, neuroinflammation, and dysfunctions in adult neurogenesis, which may be involved in cognitive decline and are features of human AD...
June 16, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28620499/intrauterine-death-following-intraamniotic-triiodothyronine-and-thyroxine-therapy-for-fetal-goitrous-hypothyroidism-associated-with-polyhydramnios-and-caused-by-a-thyroglobulin-mutation
#10
Pradeep Vasudevan, Corrina Powell, Adeline K Nicholas, Ian Scudamore, James Greening, Soo-Mi Park, Nadia Schoenmakers
In the absence of maternal thyroid disease or iodine deficiency, fetal goitre is rare and usually attributable to dyshormonogenesis, for which genetic ascertainment is not always undertaken in the UK. Mechanical complications include tracheal and oesophageal compression with resultant polyhydramnios, malpresentation at delivery and neonatal respiratory distress. We report an Indian kindred in which the proband (first-born son) had congenital hypothyroidism (CH) without obvious neonatal goitre. His mother's second pregnancy was complicated by fetal hypothyroid goitre and polyhydramnios, prompting amniotic fluid drainage and intraamniotic therapy (with liothyronine, T3 and levothyroxine, T4)...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28620278/revealing-the-dysfunction-of-schematic-facial-expression-processing-in-schizophrenia-a-comparative-study-of-different-references
#11
Shenglin She, Haijing Li, Yuping Ning, Jianjuan Ren, Zhangying Wu, Rongcheng Huang, Jingping Zhao, Qian Wang, Yingjun Zheng
The use of event-related potential (ERP) recording technology during perceptual and cognitive processing has been studied in order to develop objective diagnostic indexes for people with neuropsychiatric disorders. For example, patients with schizophrenia exhibit consistent abnormalities in face-evoked early components of ERPs and mismatch negativities (MMNs). In most studies, the choice of reference has been the average reference (AVE), but whether this is the most suitable choice is still unknown. The aim of this study was to systematically compare the AVE and reference electrode standardization technique (REST) methods for assessing expressional face-evoked early visual ERPs and visual MMNs (vMMNs) in patients with schizophrenia and healthy controls...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28618284/differences-in-biomarkers-of-crack-cocaine-adolescent-users-before-after-abstinence
#12
Thiago Gatti Pianca, Ronaldo Lopes Rosa, Keila Maria Mendes Ceresér, Bianca Wollenhaupt de Aguiar, Rafaela Carvalho de Abrahão, Patrícia Mafra Lazzari, Flávio Kapczinski, Flávio Pechansky, Luis Augusto Rohde, Cláudia Maciel Szobot
AIMS: To measure the variation in Brain-Derived Neurotrophic Factor (BDNF), Thiobarbituric Acid Reactive Substances (TBARS) and interleukin (IL) levels in crack-cocaine dependent adolescents after 21days of abstinence, comparing to levels found in a group of healthy controls. DESIGN: Cross-sectional nested on a short follow-up study. SETTING: Two inpatient treatment units for adolescents, and a low-income neighborhood. PARTICIPANTS: 90 adolescents, of both genders, with diagnosis of crack cocaine dependence, and 81 healthy adolescents...
June 12, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28617051/radiographic-detection-of-marginal-impaction-in-supination-adduction-ankle-fractures
#13
Ram K Alluri, J Ryan Hill, Steven Donohoe, Mark Fleming, Eric Tan, Geoffrey Marecek
BACKGROUND: The purpose of this study was to describe the incidence of plafond impaction in supination-adduction type II (SAD-II) ankle fractures and assess the accuracy of plain radiographs in detecting plafond impaction and predicting planned operative management compared to computed tomography (CT). METHODS: Patients with SAD-II ankle fractures were retrospectively identified. All SAD-II plain radiographs were reviewed (120 fractures) and compared to CT images (55 fractures)...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28616427/specific-genes-associated-with-adverse-events-of-methylphenidate-use-in-the-pediatric-population-a-systematic-literature-review
#14
REVIEW
Beinta Joensen, Morten Meyer, Lise Aagaard
The aim of this study was to review empirical studies examining associations between candidate genes and adverse events (AEs) from methylphenidate (MPH) use in children and adolescents. The PubMed, EMBASE, CINAHL, and Web of Science databases were searched from their inception until March 2017. We included empirically based articles on pharmacogenetic studies in 0-17-year-old patients that investigated associations between specific candidate genes, their polymorphisms, and reported AEs. We extracted information about study design, setting, type of AE reporter, studied genes and their polymorphisms, age and gender, administered doses, method of genotyping, outcome measures, and main findings...
April 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28615762/prevalence-of-depression-among-school-going-adolescents-in-an-urban-area-of-bihar-india
#15
Kunal Kishor Jha, Satyajeet Kumar Singh, Santosh Kumar Nirala, Chandramani Kumar, Pragya Kumar, Neeraj Aggrawal
INTRODUCTION: Depression is one of the under-recognized health problems in adolescents. Emotional instability resulted from childhood to adulthood transition makes adolescents vulnerable to depression. AIMS: The aim of the study was to explore the prevalence of depression and its associated sociodemographic factors among school-going adolescents. MATERIALS AND METHODS: This cross-sectional study was undertaken from January 2016 to June 2016 in adolescents studying in 9-12(th) standard from forty schools located in an urban area of Patna, Bihar...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28614971/pilot-study-of-therapy-dog-visits-for-inpatient-youth-with-cancer
#16
Jessica Chubak, Rene Hawkes, Christi Dudzik, Jessica M Foose-Foster, Lauren Eaton, Rebecca H Johnson, Catherine Fiona Macpherson
This study assessed the feasibility of studying animal-assisted activities (AAA) in inpatient pediatric oncology and collected preliminary data on potential benefits of AAA for this population. Patients at a large pediatric hospital were identified using electronic medical records and approached with physician approval. Patients completed surveys before and after a therapy dog visit in their private hospital room. Data on infections were ascertained by electronic medical record review. Provider surveys were placed in provider common areas and distributed through a link in an e-mail...
June 1, 2017: Journal of Pediatric Oncology Nursing: Official Journal of the Association of Pediatric Oncology Nurses
https://www.readbyqxmd.com/read/28613989/changes-in-health-perceptions-among-older-grandparents-raising-adolescent-grandchildren
#17
Tina L Peterson
This research study explores health perceptions before and after becoming a primary caregiver among older grandparents raising adolescent grandchildren. Qualitative, in-depth face-to-face interviews were conducted with grandparents age 40 and older (N = 15) who were raising adolescent grandchildren age 12 and older. Most grandparents were female, had some college education, White/Non-Hispanic, were married, had an average age of 65 years, and reported never attending a grandparent support group. Before assuming the primary caregiver role, older grandparents described their physical health as good, filled with physical activity, and reasonably free of health conditions...
June 14, 2017: Social Work in Public Health
https://www.readbyqxmd.com/read/28612308/comparison-of-good-days-and-sick-days-of-school-age-children-with-cancer-reflected-through-their-drawings
#18
Lauri A Linder, Heather Bratton, Anna Nguyen, Kori Parker, Susanna Phinney
PURPOSE: Childhood cancer disrupts children's daily life experiences. Eliciting children's perspectives regarding their life experiences during cancer treatment can be challenging. The purpose of this study was to characterize elementary school-age children's "good days" and "sick days" through their drawings. METHODS: This study used draw-and-tell interviews, a developmentally sensitive arts-based technique that supports children's recall and communication of information, facilitating a deeper understanding of children's personal interpretation and meaning of a given phenomenon of interest...
June 13, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28610553/zombie-projects-negative-networks-and-multigenerational-science-the-temporality-of-the-international-map-of-the-world
#19
William Rankin
The International Map of the World was a hugely ambitious scheme to create standardized maps of the entire world. It was first proposed in 1891 and remained a going concern until 1986. Over the course of the project's official life, nearly every country in the world took part, and map sheets were published showing all but a few areas of the planet. But the project ended quite unceremoniously, repudiated by cartographers and mapping institutions alike, and it is now remembered as a 'sad story' of network failure...
June 2017: Social Studies of Science
https://www.readbyqxmd.com/read/28610493/tragic-loss-of-a-good-nurse
#20
Teresa Elliott
I was so sad when I heard that nurse Kirsty Boden had been killed in the London Bridge terrorist attack. Her patients and colleagues have been robbed of an excellent caring nurse.
June 14, 2017: Nursing Standard
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