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https://www.readbyqxmd.com/read/28102595/-they-can-t-find-anything-wrong-with-him-yet-mothers-experiences-of-parenting-an-infant-with-a-prenatally-diagnosed-copy-number-variant-cnv
#1
Allison Werner-Lin, Sarah Walser, Frances K Barg, Barbara A Bernhardt
Chromosome microarray (CMA) testing is used widely in prenatal settings. Some copy number variants (CNVs) detected using CMA are associated with variable or uncertain phenotype and/or possible neurocognitive involvement. Little is known about parenting an infant following such findings. Researchers conducted interviews with 23 mothers of infants diagnosed prenatally with a potentially pathogenic CNV to elicit perspectives on the child's development and disclosure of results to others. Interviews were audiotaped and analyzed for common themes...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28102556/structurally-stable-attractive-nanoscale-emulsions-with-dipole-dipole-interaction-driven-interdrop-percolation
#2
Kyounghee Shin, Gyeonghyeon Gong, Jonas Cuadrado, Serim Jeon, Mintae Seo, Hong Sung Choi, Jae Sung Hwang, Youngbok Lee, Alberto Fernandez-Nieves, Jin Woong Kim
This study introduces an extremely stable attractive nanoscale emulsion fluid, in which the amphiphilic block copolymer, poly(ethylene oxide)-block-poly(ε-caprolactone) (PEO-b-PCL), is tightly packed with lecithin, thereby forming a mechanically robust thin-film at the oil-water interface. The molecular association of PEO-b-PCL with lecithin is critical for formation of a tighter and denser molecular assembly at the interface, which is systematically confirmed by T2 relaxation and DSC analyses. Moreover, our suspension rheology studies also reflect the interdroplet attractions over a wide volume fraction range of the dispersed oil phase; this results in a percolated network of stable drops that exhibit no signs of coalescence or phase separation...
January 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28102509/mice-optimize-timed-decisions-about-probabilistic-outcomes-under-deadlines
#3
Ezgi Gür, Fuat Balcı
Optimal performance in temporal decisions requires the integration of timing uncertainty with environmental statistics such as probability or cost functions. Reward maximization under response deadlines constitutes one of the most stringent examples of these problems. The current study investigated whether and how mice can optimize their timing behavior in a complex experimental setting under a response deadline in which reward maximization required the integration of timing uncertainty with a geometrically increasing probability/decreasing cost function...
January 19, 2017: Animal Cognition
https://www.readbyqxmd.com/read/28102357/a-single-identified-glomerulus-in-the-zebrafish-olfactory-bulb-carries-the-high-affinity-response-to-death-associated-odor-cadaverine
#4
Milan Dieris, Gaurav Ahuja, Venkatesh Krishna, Sigrun I Korsching
The death-associated odor cadaverine, generated by bacteria-mediated decarboxylation of lysine, has been described as the principal activator of a particular olfactory receptor in zebrafish, TAAR13c. Low concentrations of cadaverine activated mainly TAAR13c-expressing olfactory sensory neurons, suggesting TAAR13c as an important element of the neuronal processing pathway linking cadaverine stimulation to a strongly aversive innate behavioral response. Here, we characterized the initial steps of this neuronal pathway...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101983/working-to-define-professionalism-in-pediatric-anesthesiology-a-qualitative-study-of-domains-of-the-expert-pediatric-anesthesiologist-as-valued-by-interdisciplinary-stakeholders
#5
Justin L Lockman, Alan Jay Schwartz, Peter F Cronholm
BACKGROUND: Unprofessional behavior is a significant problem throughout graduate medical education programs and medical centers. Some authors have suggested that professionalism curricula should be focused toward faculty, not trainees, to interrupt the modeling of unprofessionalism. Developing such curricula requires a needs assessment and is challenging given data indicating that the definition of professionalism varies based on medical specialty. Thus, a specialty-specific definition of professionalism is needed as a first step in any curriculum development...
February 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28101969/low-trabecular-bone-density-in-recent-sedentary-modern-humans
#6
Habiba Chirchir, Christopher B Ruff, Juho-Antti Junno, Richard Potts
OBJECTIVES: Research on a limited number of samples suggests that trabecular bone density (i.e., bone volume fraction, BVF) within specific articulations is lower among more sedentary Holocene agricultural populations compared with Holocene foragers, implying that activity levels have a significant effect on trabecular BVF. However, it is unclear to what extent BVF differs among groups with varying activity levels and how general this phenomenon is across multiple limb articulations. Here, we test two hypotheses that: (i) sedentary populations have lower BVF compared with active populations across limb articulations; and (ii) these declines are more uniform in the lower limb (because of its more direct relationship to mobility), and more variable in the upper limb...
January 19, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28101924/effects-of-differential-rates-of-alternative-reinforcement-on-resurgence-of-human-behavior
#7
Brooke M Smith, Gregory S Smith, Timothy A Shahan, Gregory J Madden, Michael P Twohig
Despite the success of exposure-based psychotherapies in anxiety treatment, relapse remains problematic. Resurgence, the return of previously eliminated behavior following the elimination of an alternative source of reinforcement, is a promising model of operant relapse. Nonhuman resurgence research has shown that higher rates of alternative reinforcement result in faster, more comprehensive suppression of target behavior, but also in greater resurgence when alternative reinforcement is eliminated. This study investigated rich and lean rates of alternative reinforcement on response suppression and resurgence in typically developing humans...
January 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/28101813/a-multi-us-city-assessment-of-awareness-and-uptake-of-pre-exposure-prophylaxis-prep-for-hiv-prevention-among-black-men-and-transgender-women-who-have-sex-with-men
#8
Lisa A Eaton, Derrick D Matthews, Daniel D Driffin, Leigh Bukowski, Patrick A Wilson, Ron D Stall
The HIV epidemic among Black men and transgender women who have sex with men (BMTW) demands an urgent public health response. HIV point prevalence among this population ranges from 25 to 43%-a rate far exceeding any other group. Pre-exposure prophylaxis (PrEP) for HIV prevention is a very promising prevention tool; however, its full potential to slow the epidemic has yet to be realized. For the current study, random time-location sampling at Black Gay Pride Events was used to collect data from N = 1274 BMTW, from five US cities, reporting HIV-negative/unknown status...
January 18, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28101746/music-preferences-friendship-and-externalizing-behavior-in-early-adolescence-a-siena-examination-of-the-music-marker-theory-using-the-snare-study
#9
Aart Franken, Loes Keijsers, Jan Kornelis Dijkstra, Tom Ter Bogt
Music Marker Theory posits that music is relevant for the structuring of peer groups and that rock, urban, or dance music preferences relate to externalizing behavior. The present study tested these hypotheses, by investigating the role of music preference similarity in friendship selection and the development of externalizing behavior, while taking the effects of friends' externalizing behavior into account. Data were used from the first three waves of the SNARE (Social Network Analysis of Risk behavior in Early adolescence) study (N = 1144; 50% boys; M age = 12...
January 18, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28101650/speech-disorders-in-parkinson-s-disease-early-diagnostics-and-effects-of-medication-and-brain-stimulation
#10
REVIEW
L Brabenec, J Mekyska, Z Galaz, Irena Rektorova
Hypokinetic dysarthria (HD) occurs in 90% of Parkinson's disease (PD) patients. It manifests specifically in the areas of articulation, phonation, prosody, speech fluency, and faciokinesis. We aimed to systematically review papers on HD in PD with a special focus on (1) early PD diagnosis and monitoring of the disease progression using acoustic voice and speech analysis, and (2) functional imaging studies exploring neural correlates of HD in PD, and (3) clinical studies using acoustic analysis to evaluate effects of dopaminergic medication and brain stimulation...
January 18, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28101174/protective-effects-of-resveratrol-on-autologous-nucleus-pulposus-model-of-radiculopathy
#11
Bin Lin, Hui Yu, Yongzhi He, Yang Xu, Wenbin Zhang, Chengwu Lu, Qingfang Ao
Nucleus pulposus (NP) has been suggested to trigger an autoimmune response if exposed to the immune system, which plays a key role in neuropathic pain. Therefore, appropriate suppression of inflammation is a key factor for treating the radiculopathy caused by intervertebral disk (IVD) degeneration. Resveratrol, a key component of red wine, has been suggested to exhibit anti-inflammatory properties in vitro and in vivo. However, the effects of resveratrol on NP-mediated pain in vivo have not been studied. The aim of the present study was to investigate whether resveratrol may be useful in treating NP-mediated pain in an autologous NP model of radiculopathy...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101155/the-5-ht2a-receptor-potassium-chloride-cotransporter-2-signaling-pathway-in-a-rat-incision-pain-model
#12
Rong Dong, Buwei Yu, Lijiao Chen, Weifeng Yu
Postoperative pain is a critical problem in clinical pain administration. Due to the unclear formation mechanism of postoperative pain, the treatment of postoperative pain is still in the symptomatic treatment stage and lacking satisfactory analgesic effect. Postoperative pain can be simulated by using a rat incision pain model. We observed changes in pain-related behavior of rats affected by the 5-hydroxytryptamine 2A receptor (5-HT2AR) agonist, TCB-2, and antagonist, ketanserin, through intrathecal delivery...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100804/role-of-the-different-eyes-in-the-visual-odometry-in-the-wolf-spider-lycosa-tarantula-araneae-lycosidae
#13
Joaquin Ortega-Escobar, Miguel A Ruiz
The wolf spider Lycosa tarantula returns home by means of path integration. Previous studies demonstrated: (i) that the angular component of the outbound run is measured using a polarized-light compass associated with the anterior median eyes; (ii) changes in direction of the substratum are detected by the anterior lateral eyes (ALEs); and (iii) in relation to the linear component of the outbound run, an increase of optic flow, in either the lateral or ventral fields of view, caused spiders to search for the burrow at a point nearer to the goal...
January 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28100747/selective-deletion-of-sodium-salt-taste-during-development-leads-to-expanded-terminal-fields-of-gustatory-nerves-in-the-adult-mouse-nucleus-of-the-solitary-tract
#14
Chengsan Sun, Edith Hummler, David L Hill
: Neuronal activity plays a key role in the development of sensory circuits in the mammalian brain. In the gustatory system, experimental manipulations now exist, through genetic manipulations of specific taste transduction processes, to examine how specific taste qualities (i.e., basic tastes) impact the functional and structural development of gustatory circuits. Here, we used a mouse knock-out model in which the transduction component used to discriminate sodium salts from other taste stimuli was deleted in taste bud cells throughout development...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100529/children-and-parental-anxiolysis-in-paediatric-ambulatory-surgery-a-randomized-controlled-study-comparing-0-3%C3%A2-mg-kg-1-midazolam-to-tablet-computer-based-interactive-distraction
#15
C Marechal, J Berthiller, S Tosetti, B Cogniat, H Desombres, L Bouvet, B Kassai, D Chassard, M de Queiroz Siqueira
BACKGROUND: The operating theatre, anaesthesia induction and separation from parents create fear and anxiety in children. Anxiety leads to adverse behavioral changes appearing and sometimes persisting during the postoperative period. Our aim was to compare the effects of midazolam (0.3 mg kg(-)(1): MDZ) for premedication with age-appropriate tablet game apps (TAB) on children anxiety during and after ambulatory surgery. METHODS: A randomized controlled trial was conducted from May 16th, 2013 to March 25th, 2014 at the Children Hospital of Lyon...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100459/clinical-and-pathological-characteristics-of-hiv-and-hhv8-negative-castleman-disease
#16
Li Yu, Meifeng Tu, Jorge Cortes, Zijun Y Xu-Monette, Roberto N Miranda, Jun Zhang, Robert Z Orlowski, Sattva Neelapu, Prajwal C Boddu, Mary A Akosile, Thomas S Uldrick, Robert Yarchoan, L Jeffrey Medeiros, Yong Li, David C Fajgenbaum, Ken H Young
Castleman disease (CD) comprises three poorly-understood lymphoproliferative variants that share several common histopathological features. Unicentric CD (UCD) is localized to a single region of lymph nodes. Multicentric CD (MCD) manifests with systemic inflammatory symptoms and organ dysfunction due to cytokine dysregulation, and involves multiple lymph node regions. Human herpes virus-8 causes MCD (HHV-8-associated MCD) in immunocompromised individuals, such as HIV infected patients. However, greater than 50% MCD cases are HIV and HHV-8 negative, defined as idiopathic (iMCD)...
January 18, 2017: Blood
https://www.readbyqxmd.com/read/28100415/a-10-year-trend-of-dental-treatments-under-general-anesthesia-of-children-in-taipei-veterans-general-hospital
#17
Yung-Pan Chen, Chun-Yi Hsieh, Wen-Ting Hsu, Fu-Ya Wu, Wen-Yu Shih
BACKGROUND: General anesthesia (GA) as a pediatric dental procedure is a well-established method of behavior management. However, studies of pediatric dentistry under GA have mostly focused on handicapped patients, and various retrospective studies in Taiwan have mainly reviewed only a limited number of years. The purpose of the present study was to report trends in pediatric dental treatment performed under GA over the past 10 years. METHODS: A retrospective review of the hospital records of patients receiving dental treatment under GA from 2006 until 2015 was performed...
January 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28100252/a-cognitive-electrophysiological-signature-differentiates-amnestic-mild-cognitive-impairment-from-normal-aging
#18
Juan Li, Lucas S Broster, Gregory A Jicha, Nancy B Munro, Frederick A Schmitt, Erin Abner, Richard Kryscio, Charles D Smith, Yang Jiang
BACKGROUND: Noninvasive and effective biomarkers for early detection of amnestic mild cognitive impairment (aMCI) before measurable changes in behavioral performance remain scarce. Cognitive event-related potentials (ERPs) measure synchronized synaptic neural activity associated with a cognitive event. Loss of synapses is a hallmark of the neuropathology of early Alzheimer's disease (AD). In the present study, we tested the hypothesis that ERP responses during working memory retrieval discriminate aMCI from cognitively normal controls (NC) matched in age and education...
January 19, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28100203/diaphragmatic-breathing-during-virtual-reality-exposure-therapy-for-aviophobia-functional-coping-strategy-or-avoidance-behavior-a-pilot-study
#19
Youssef Shiban, Julia Diemer, Jana Müller, Johanna Brütting-Schick, Paul Pauli, Andreas Mühlberger
BACKGROUND: Although there is solid evidence for the efficacy of in vivo and virtual reality (VR) exposure therapy for a specific phobia, there is a significant debate over whether techniques promoting distraction or relaxation have impairing or enhancing effects on treatment outcome. In the present pilot study, we investigated the effect of diaphragmatic breathing (DB) as a relaxation technique during VR exposure treatment. METHOD: Twenty-nine patients with aviophobia were randomly assigned to VR exposure treatment either with or without diaphragmatic breathing (six cycles per minute)...
January 18, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28099913/zibupiyin-recipe-improves-cognitive-decline-by-regulating-gut-microbiota-in-zucker-diabetic-fatty-rats
#20
Chunyan Gu, Wen Zhou, Wang Wang, Hong Xiang, Huiying Xu, Lina Liang, Hua Sui, Libin Zhan, Xiaoguang Lu
Numerous researches supported that microbiota can influence behavior and modulate cognitive function through "microbiota-gut-brain" axis. Our previous study has demonstrated that ZiBuPiYin recipe (ZBPYR) possesses excellent pharmacological effects against diabetes-associated cognitive decline. To elucidate the role of ZBPYR in regulating the balance of gut microbiota to improve psychological-stress-induced diabetes-associated cognitive decline (PSDACD), we compared blood glucose, behavioral and cognitive functions and diversity of the bacterial community among experimental groups...
January 12, 2017: Oncotarget
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