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https://www.readbyqxmd.com/read/28538983/assocation-of-a-surgical-task-during-training-with-team-skill-acquisition-among-surgical-residents-the-missing-piece-in-multidisciplinary-team-training
#1
Jessica L Sparks, Dustin L Crouch, Kathryn Sobba, Douglas Evans, Jing Zhang, James E Johnson, Ian Saunders, John Thomas, Sarah Bodin, Ashley Tonidandel, Jeff Carter, Carl Westcott, R Shayn Martin, Amy Hildreth
Importance: The human patient simulators that are currently used in multidisciplinary operating room team training scenarios cannot simulate surgical tasks because they lack a realistic surgical anatomy. Thus, they eliminate the surgeon's primary task in the operating room. The surgical trainee is presented with a significant barrier when he or she attempts to suspend disbelief and engage in the scenario. Objective: To develop and test a simulation-based operating room team training strategy that challenges the communication abilities and teamwork competencies of surgeons while they are engaged in realistic operative maneuvers...
May 24, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28534720/spatial-and-visual-reasoning-do-these-abilities-improve-in-first-year-veterinary-medical-students-exposed-to-an-integrated-curriculum
#2
J Claudio Gutierrez, Munashe Chigerwe, Jan E Ilkiw, Patricia Youngblood, Steven D Holladay, Sakti Srivastava
Spatial visualization ability refers to the human cognitive ability to form, retrieve, and manipulate mental models of spatial nature. Visual reasoning ability has been linked to spatial ability. There is currently limited information about how entry-level spatial and visual reasoning abilities may predict veterinary anatomy performance or may be enhanced with progression through the veterinary anatomy content in an integrated curriculum. The present study made use of two tests that measure spatial ability, and one test that measures visual reasoning ability in veterinary students: Guay's Visualization of Views Test, adapted version (GVVT), the Mental Rotations Test (MRT), and Raven's Advanced Progressive Matrices Test, short form (RavenT)...
May 23, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28533078/simulation-of-carotid-artery-stenting-reduces-training-procedure-and-fluoroscopy-times
#3
Andre F Gosling, Daniel E Kendrick, Ann H Kim, Anil Nagavalli, Ethan S Kimball, Nathaniel T Liu, Vikram S Kashyap, John C Wang
OBJECTIVE: Outcomes from carotid artery stenting (CAS) are related to experience and technical expertise of the operator. Simulation of CAS may enhance clinical proficiency. We interrogated the impact of endovascular simulation of CAS procedures in operators who are at various stages of training. METHODS: Twelve trainees (students [n = 4]; junior surgery residents, postgraduate year [PGY] 1-3 [n = 4]; and senior surgery residents or fellows, PGY 4-7 [n = 4]) were apprised of characteristics of an endovascular simulator and CAS procedures...
May 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28532283/the-feasibility-of-an-automated-eye-tracking-modified-fagan-test-of-memory-for-human-faces-in-younger-ugandan-hiv-exposed-children
#4
Ronak Chhaya, Jonathan Weiss, Victoria Seffren, Alla Sikorskii, Paula M Winke, Julius C Ojuka, Michael J Boivin
OBJECTIVE: The Fagan Test of Infant Intelligence (FTII) uses longer gaze length for unfamiliar versus familiar human faces to gauge visual-spatial encoding, attention, and working memory in infants. Our objective was to establish the feasibility of automated eye tracking with the FTII in HIV-exposed Ugandan infants. METHOD: The FTII was administered to 31 perinatally HIV-exposed noninfected (HEU) Ugandan children 6-12 months of age (11 boys; M = 0.69 years, SD = 0...
May 22, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28530089/use-of-low-frequency-repetitive-transcranial-magnetic-stimulation-to-reduce-context-dependent-learning-in-people-with-parkinson-s-disease
#5
Ya-Yun Lee, Beth E Fisher
BACKGROUND: Compared with age-matched non-disabled adults, people with Parkinson's disease (PD) demonstrated greater context-dependent learning, a phenomenon in which an individual shows inferior motor performance when the testing environmental context is different from the original practice context. Additionally, enhanced context- dependency has been shown to be associated with an increased activation of the dorsolateral prefrontal cortex (DLPFC). AIM: This study aimed to determine whether context-dependent learning in people with PD could be reduced by decreasing DLPFC activation with low frequency repetitive transcranial magnetic stimulation (rTMS)...
May 22, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28529068/adverse-outcome-pathways-application-to-enhance-mechanistic-understanding-of-neurotoxicity
#6
REVIEW
Anna Bal-Price, M E Meek
Recent developments have prompted the transition of empirically based testing of late stage toxicity in animals for a range of different endpoints including neurotoxicity to more efficient and predictive mechanistically based approaches with greater emphasis on measurable key events early in the progression of disease. The adverse outcome pathway (AOP) has been proposed as a simplified organizational construct to contribute to this transition by linking molecular initiating events and earlier (more predictive) key events at lower levels of biological organization to disease outcomes...
May 18, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28523223/transcranial-direct-current-stimulation-may-modulate-extinction-memory-in-posttraumatic-stress-disorder
#7
Mascha Van't Wout, Sharon M Longo, Madhavi K Reddy, Noah S Philip, Marguerite T Bowker, Benjamin D Greenberg
BACKGROUND: Abnormalities in fear extinction and recall are core components of posttraumatic stress disorder (PTSD). Data from animal and human studies point to a role of the ventromedial prefrontal cortex (vmPFC) in extinction learning and subsequent retention of extinction memories. Given the increasing interest in developing noninvasive brain stimulation protocols for psychopathology treatment, we piloted whether transcranial direct current stimulation (tDCS) during extinction learning, vs...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28521821/intratumoral-and-peritumoral-radiomics-for-the-pretreatment-prediction-of-pathological-complete-response-to-neoadjuvant-chemotherapy-based-on-breast-dce-mri
#8
Nathaniel M Braman, Maryam Etesami, Prateek Prasanna, Christina Dubchuk, Hannah Gilmore, Pallavi Tiwari, Donna Pletcha, Anant Madabhushi
BACKGROUND: In this study, we evaluated the ability of radiomic textural analysis of intratumoral and peritumoral regions on pretreatment breast cancer dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) to predict pathological complete response (pCR) to neoadjuvant chemotherapy (NAC). METHODS: A total of 117 patients who had received NAC were retrospectively analyzed. Within the intratumoral and peritumoral regions of T1-weighted contrast-enhanced MRI scans, a total of 99 radiomic textural features were computed at multiple phases...
May 18, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28521248/designing-and-evaluating-the-effectiveness-of-a-serious-game-for-safe-administration-of-blood-transfusion-a-randomized-controlled-trial
#9
Apphia Jia Qi Tan, Cindy Ching Siang Lee, Patrick Yongxing Lin, Simon Cooper, Lydia Siew Tiang Lau, Wei Ling Chua, Sok Ying Liaw
BACKGROUND: Preparing nursing students for the knowledge and skills required for the administration and monitoring of blood components is crucial for entry into clinical practice. Serious games create opportunities to develop this competency, which can be used as a self-directed learning strategy to complement existing didactic learning and simulation-based strategies. AIM: To describe the development and evaluation of a serious game to improve nursing students' knowledge, confidence, and performance in blood transfusion...
May 6, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28516807/neurofeedback-based-enhancement-of-single-trial-auditory-evoked-potentials-feasibility-in-healthy-subjects
#10
Kathryn Rieger, Marie-Helene Rarra, Nicolas Moor, Laura Diaz Hernandez, Anja Baenninger, Nadja Razavi, Thomas Dierks, Daniela Hubl, Thomas Koenig
Previous studies showed a global reduction of the event-related potential component N100 in patients with schizophrenia, a phenomenon that is even more pronounced during auditory verbal hallucinations. This reduction assumingly results from dysfunctional activation of the primary auditory cortex by inner speech, which reduces its responsiveness to external stimuli. With this study, we tested the feasibility of enhancing the responsiveness of the primary auditory cortex to external stimuli with an upregulation of the event-related potential component N100 in healthy control subjects...
May 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/28514890/spatial-recognition-test-a-novel-cognition-task-for-assessing-topographical-memory-in-mice
#11
Enes Havolli, Mark Dw Hill, Annie Godley, Pascal Jd Goetghebeur
Dysfunction in topographical memory is a core feature of several neurological disorders. There is a large unmet medical need to address learning and memory deficits as a whole in central nervous system disease. There are considerable efforts to identify pro-cognitive compounds but current methods are either lengthy or labour intensive. Our test used a two chamber apparatus and is based on the preference of rodents to explore novel environments. It was used firstly to assess topographical memory in mice at different retention intervals (RI) and secondly to investigate the effect of three drugs reported to be beneficial for cognitive decline associated with Alzheimer's disease, namely: donepezil, memantine and levetiracetam...
May 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28512323/nicotine-in-floral-nectar-pharmacologically-influences-bumblebee-learning-of-floral-features
#12
D Baracchi, A Marples, A J Jenkins, A R Leitch, L Chittka
Many plants defend themselves against herbivores by chemical deterrents in their tissues and the presence of such substances in floral nectar means that pollinators often encounter them when foraging. The effect of such substances on the foraging behaviour of pollinators is poorly understood. Using artificial flowers in tightly-controlled laboratory settings, we examined the effects of the alkaloid nicotine on bumblebee foraging performance. We found that bumblebees confronted simultaneously with two equally rewarded nicotine-containing and nicotine-free flower types are deterred only by unnaturally high nicotine concentrations...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28512009/combining-d-cycloserine-with-appetitive-extinction-learning-modulates-amygdala-activity-during-recall
#13
Claudia Ebrahimi, Stefan P Koch, Eva Friedel, Ilsoray Crespo, Thomas Fydrich, Andreas Ströhle, Andreas Heinz, Florian Schlagenhauf
Appetitive Pavlovian conditioning plays a crucial role in the pathogenesis of drug addiction and conditioned reward cues can trigger craving and relapse even after long phases of abstinence. Promising preclinical work showed that the NMDA-receptor partial agonist D-cycloserine (DCS) facilitates Pavlovian extinction learning of fear and drug cues. Furthermore, DCS-augmented exposure therapy seems to be beneficial in various anxiety disorders, while the supposed working mechanism of DCS during human appetitive or aversive extinction learning is still not confirmed...
May 13, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28511979/water-and-t-maze-protocols-are-equally-efficient-methods-to-assess-spatial-memory-in-3xtg-alzheimer-s-disease-mice
#14
K E Davis, K Burnett, J Gigg
Rodent spatial memory is commonly tested using the water-maze; however, there is a potential confound of stress on learning in this behavioural paradigm. This is particularly relevant when testing spatial memory in models of neurodegeneration, such as the 3xTg mouse model for Alzheimer's disease. Here, we first confirmed that 3xTgAD mice express fear conditioning and then compared the performance of young and middle-aged mice on short-duration versions of the radial arm water-maze (RAWM) and the minimally stressful T-maze spontaneous alternation task...
May 13, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28508173/neuroprotective-effects-of-lycium-barbarum-polysaccharide-on-focal-cerebral-ischemic-injury-in-mice
#15
Peng Zhao, Ru Zhou, Xiao-Yun Zhu, Gang Liu, Yu-Ping Zhao, Peng-Sheng Ma, Wei Wu, Yang Niu, Tao Sun, Yu-Xiang Li, Jian-Qiang Yu, Zhong-Ming Qian
Increasing evidence demonstrates inflammation contributes to neuronal death following cerebral ischemia. Lycium barbarum polysaccharide (LBP) has been reported to prevent scopolamine-induced cognitive and memory deficits. We recently indicated that LBP exerts neuroprotective effect against focal cerebral ischemic injury in mice via attenuating the mitochondrial apoptosis pathway. The aim of this study was to investigate the neuroprotective effects of LBP against the behavioral dysfunction induced by focal cerebral ischemia injury in mice...
May 15, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28506958/enhancing-comparative-effectiveness-research-with-automated-pediatric-pneumonia-detection-in-a-multi-institutional-clinical-repository-a-phis-pilot-study
#16
Stephane Meystre, Ramkiran Gouripeddi, Joel Tieder, Jeffrey Simmons, Rajendu Srivastava, Samir Shah
BACKGROUND: Community-acquired pneumonia is a leading cause of pediatric morbidity. Administrative data are often used to conduct comparative effectiveness research (CER) with sufficient sample sizes to enhance detection of important outcomes. However, such studies are prone to misclassification errors because of the variable accuracy of discharge diagnosis codes. OBJECTIVE: The aim of this study was to develop an automated, scalable, and accurate method to determine the presence or absence of pneumonia in children using chest imaging reports...
May 15, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28505356/distinct-th1-and-th2-cellular-responses-associated-with-malaria-protection-and-risk-in-rts-s-as01e-vaccinees
#17
Gemma Moncunill, Maxmillian Mpina, Augusto J Nhabomba, Ruth Aguilar, Aintzane Ayestaran, Héctor Sanz, Joseph J Campo, Chenjerai Jairoce, Diana Barrios, Yan Dong, Núria Díez-Padrisa, José F Fernandes, Salim Abdulla, Jahit Sacarlal, Nana A Williams, Jaroslaw Harezlak, Benjamin Mordmüller, Selidji T Agnandji, John J Aponte, Claudia Daubenberger, Clarissa Valim, Carlota Dobaño
Background.: The RTS,S/AS01E malaria vaccine has moderate efficacy, lower in infants than children. Current efforts to enhance RTS,S/AS01E efficacy would benefit from learning about the vaccine-induced immunity and identifying correlates of malaria protection, which could, for instance, inform the choice of adjuvants. Here, we sought cellular immunity-based correlates of malaria protection and risk associated with RTS,S/AS01E vaccination. Methods.: We performed a matched case-control study nested within the multicenter African RTS,S/AS01E Phase III trial...
May 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28505334/direction-a-machine-learning-framework-for-predicting-and-characterizing-dna-methylation-and-hydroxymethylation-in-mammalian-genomes
#18
Milos Pavlovic, Pradipta Ray, Kristina Pavlovic, Aaron Kotamarti, Min Chen, Michael Q Zhang
Motivation: 5-Methylcytosine and 5-Hydroxymethylcytosine in DNA are major epigenetic modifications known to significantly alter mammalian gene expression. High-throughput assays to detect these modifications are expensive, labor-intensive, unfeasible in some contexts, and leave a portion of the genome unqueried. Hence, we devised a novel, supervised, integrative learning framework to perform whole-genome methylation and hydroxymethylation predictions in CpG dinucleotides. Our framework can also perform imputation of missing or low quality data in existing sequencing datasets...
May 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28504465/effects-of-sa237-a-humanized-anti-interleukin-6-receptor-monoclonal-antibody-on-pre-and-postnatal-development-in-cynomolgus-monkey
#19
Ryuichi Katagiri, Kana Ishihara-Hattori, Werner Frings, Jun Amano, Antje Fuchs, Shuichi Chiba
BACKGROUND: SA237 is a humanized anti-interleukin-6 receptor (IL-6R) monoclonal antibody in which the constant and variable regions have been engineered for a longer plasma half-life. According to literature, blocking of IL-6 related functions could have an influence on pregnancy sustainment, development of the immune system, and brain growth. METHODS: SA237 effects on dams, embryo-fetal development, parturition and postnatal development were investigated in an enhanced pre- and postnatal development study, in which SA237 was subcutaneously administered to pregnant cynomolgus monkeys at dose levels of 2 or 50 mg/kg once weekly from gestation day 20 until parturition...
May 15, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28501551/contribution-of-stress-and-sex-hormones-to-memory-encoding
#20
Christian J Merz
Distinct stages of the menstrual cycle and the intake of oral contraceptives (OC) affect sex hormone levels, stress responses, and memory processes critically involved in the pathogenesis of mental disorders. To characterize the interaction of sex and stress hormones on memory encoding, 30 men, 30 women in the early follicular phase of the menstrual cycle (FO), 30 women in the luteal phase (LU), and 30 OC women were exposed to either a stress (socially evaluated cold-pressor test) or a control condition prior to memory encoding and immediate recall of neutral, positive, and negative words...
May 6, 2017: Psychoneuroendocrinology
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