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https://www.readbyqxmd.com/read/29774571/clustering-and-variable-selection-in-the-presence-of-mixed-variable-types-and-missing-data
#1
C B Storlie, S M Myers, S K Katusic, A L Weaver, R G Voigt, P E Croarkin, R E Stoeckel, J D Port
We consider the problem of model-based clustering in the presence of many correlated, mixed continuous, and discrete variables, some of which may have missing values. Discrete variables are treated with a latent continuous variable approach, and the Dirichlet process is used to construct a mixture model with an unknown number of components. Variable selection is also performed to identify the variables that are most influential for determining cluster membership. The work is motivated by the need to cluster patients thought to potentially have autism spectrum disorder on the basis of many cognitive and/or behavioral test scores...
May 17, 2018: Statistics in Medicine
https://www.readbyqxmd.com/read/29773210/cognitive-and-behavioral-effects-of-obstructive-sleep-apnea-syndrome-in-children-a-systematic-literature-review
#2
REVIEW
Thiago da Silva Gusmão Cardoso, Sabine Pompéia, Mônica Carolina Miranda
Obstructive sleep apnea syndrome (OSA) is a common respiratory sleep disorder in children that is believed to adversely affect both quality of life and cognition. The purpose of the present systematic review was to obtain evidence of the impact of OSA on children's cognitive/behavioral abilities from primary studies published in MEDLINE/PubMed, LILACS, SciELO, ISI Web of Science, and PsycINFO databases from 2002 to 2016. Of the 649 articles found, only 34 met the eligibility criteria: studies that evaluated cognition, behavior, and/or academic achievement of children meeting clinical criteria for OSA to compare their data to those of healthy controls or normative data, provided that the samples did not present conditions that might affect cognition/behavior irrespective of OSA...
June 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29770427/near-infrared-laser-mediated-modulation-of-ice-crystallization-by-two-dimensional-nanosheets-enables-high-survival-recovery-of-biological-cells-from-cryogenic-temperatures
#3
Fazil Panhwar, Zhongrong Chen, S M Chapal Hossain, Meng Wang, Zeeshan Haider, Kashan Memon, Pengpeng Chen, Gang Zhao
Two-dimensional (2D) graphene oxide (GO) and molybdenum disulfide (MoS2) nanosheets (NSs) have been widely used as photothermal agents and as potential carriers of antitumor drugs. Their spatial thermal effects have been extensively explored for use at physiological and hyperthermic temperatures (37 to 46 °C). Furthermore, the modulation of the spatial thermal distributions with these NSs may have even more profound applications in the microstructural control of biomaterials at cryogenic temperatures (-196 to 37 °C)...
May 17, 2018: Nanoscale
https://www.readbyqxmd.com/read/29769096/a-methodology-for-generating-a-tailored-implementation-blueprint-an-exemplar-from-a-youth-residential-setting
#4
Cara C Lewis, Kelli Scott, Brigid R Marriott
BACKGROUND: Tailored implementation approaches are touted as more likely to support the integration of evidence-based practices. However, to our knowledge, few methodologies for tailoring implementations exist. This manuscript will apply a model-driven, mixed methods approach to a needs assessment to identify the determinants of practice, and pilot a modified conjoint analysis method to generate an implementation blueprint using a case example of a cognitive behavioral therapy (CBT) implementation in a youth residential center...
May 16, 2018: Implementation Science: IS
https://www.readbyqxmd.com/read/29768436/the-effectiveness-of-various-computer-based-interventions-for-patients-with-chronic-pain-or-functional-somatic-syndromes-a-systematic-review-and-meta-analysis
#5
Miel A P Vugts, Margot C W Joosen, Jessica E van der Geer, Aglaia M E E Zedlitz, Hubertus J M Vrijhoef
Computer-based interventions target improvement of physical and emotional functioning in patients with chronic pain and functional somatic syndromes. However, it is unclear to what extent which interventions work and for whom. This systematic review and meta-analysis (registered at PROSPERO, 2016: CRD42016050839) assesses efficacy relative to passive and active control conditions, and explores patient and intervention factors. Controlled studies were identified from MEDLINE, EMBASE, PsychInfo, Web of Science, and Cochrane Library...
2018: PloS One
https://www.readbyqxmd.com/read/29765566/efficacy-of-combination-of-viola-odorata-rosa-damascena-and-coriandrum-sativum-in-prevention-of-migraine-attacks-a-randomized-double-blind-placebo-controlled-clinical-trial
#6
Mohadese Kamali, Rostam Seifadini, Hoda Kamali, Mitra Mehrabani, Yunes Jahani, Haleh Tajadini
Background: Migraine is the second most common type of headache after tension headaches. In Iranian traditional medicine several herbal drugs are used for the treatment of headache. Including, a product of Iranian traditional medicine, a combination of Viola odorata L. flowers, Rosa damascena L. flowers and Coriandrum sativum L. fruits. Objective: To determine the effectiveness of a combination of Viola odorata flowers, Rosa damascene flowers and Coriandrum sativum fruits on severity, duration and frequency of migraine headaches...
March 2018: Electronic Physician
https://www.readbyqxmd.com/read/29765342/mind-control-how-parasites-manipulate-cognitive-functions-in-their-insect-hosts
#7
Frederic Libersat, Maayan Kaiser, Stav Emanuel
Neuro-parasitology is an emerging branch of science that deals with parasites that can control the nervous system of the host. It offers the possibility of discovering how one species (the parasite) modifies a particular neural network, and thus particular behaviors, of another species (the host). Such parasite-host interactions, developed over millions of years of evolution, provide unique tools by which one can determine how neuromodulation up-or-down regulates specific behaviors. In some of the most fascinating manipulations, the parasite taps into the host brain neuronal circuities to manipulate hosts cognitive functions...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29765310/economic-holobiont-influence-of-parasites-microbiota-and-chemosignals-on-economic-behavior
#8
Petr Houdek
The article is a perspective on utilization of microorganisms and chemosignals in studying human economic behavior. Research in biological roots of economic development has already confirmed that parasitic pressure influenced the creation and development of cultural norms and institutions. However, other effects of microorganisms on human groups and individual decision-making and behavior are heavily understudied. The perspective discusses how parasitic infections, sexually transmitted organisms and microbiota (i...
2018: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29765260/attitude-and-perception-of-undergraduate-medical-students-toward-the-problem-based-learning-in-chitwan-medical-college-nepal
#9
Ram Lochan Yadav, Rano Mal Piryani, Gopendra Prasad Deo, Dev Kumar Shah, Laxmi Kumari Yadav, Md Nazrul Islam
Background: Problem-based learning (PBL) was introduced into Basic Medical Sciences early in the 1980s at Tribhuvan University (TU), Nepal, followed by other universities where didactic lecture method was still followed as the main teaching strategy. Despite gaining its popularity worldwide as integrated teaching learning method, PBL is not given importance in Nepal. This study aimed to assess the attitude and perceptions of undergraduate medical students regarding learning outcomes of PBL and to know their views about role and qualities of effective tutors for its successful implementation...
2018: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/29764777/comparison-of-social-interaction-between-cochlear-implanted-children-with-normal-intelligence-undergoing-auditory-verbal-therapy-and-normal-hearing-children-a-pilot-study
#10
Leila Monshizadeh, Roshanak Vameghi, Firoozeh Sajedi, Fariba Yadegari, Seyed Basir Hashemi, Petra Kirchem, Fatemeh Kasbi
OBJECTIVE: A cochlear implant is a device that helps hearing-impaired children by transmitting sound signals to the brain and helping them improve their speech, language, and social interaction. Although various studies have investigated the different aspects of speech perception and language acquisition in cochlear-implanted children, little is known about their social skills, particularly Persian-speaking cochlear-implanted children. Considering the growing number of cochlear implants being performed in Iran and the increasing importance of developing near-normal social skills as one of the ultimate goals of cochlear implantation, this study was performed to compare the social interaction between Iranian cochlear-implanted children who have undergone rehabilitation (auditory verbal therapy) after surgery and normal-hearing children...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29764462/empirical-and-conceptual-investigation-of-de-implementation-of-low-value-care-from-professional-and-health-care-system-perspectives-a-study-protocol
#11
Henna Hasson, Per Nilsen, Hanna Augustsson, Ulrica von Thiele Schwarz
BACKGROUND: A considerable proportion of interventions provided to patients lacks evidence of their effectiveness. This implies that patients may receive ineffective, unnecessary, or even harmful care. Thus, in addition to implementing evidence-based practices, there is also a need to abandon interventions that are not based on best evidence, i.e., low-value care. However, research on de-implementation is limited, and there is a lack of knowledge about how effective de-implementation processes should be carried out...
May 15, 2018: Implementation Science: IS
https://www.readbyqxmd.com/read/29763790/the-language-of-smell-connecting-linguistic-and-psychophysical-properties-of-odor-descriptors
#12
Georgios Iatropoulos, Pawel Herman, Anders Lansner, Jussi Karlgren, Maria Larsson, Jonas K Olofsson
The olfactory sense is a particularly challenging domain for cognitive science investigations of perception, memory, and language. Although many studies show that odors often are difficult to describe verbally, little is known about the associations between olfactory percepts and the words that describe them. Quantitative models of how odor experiences are described in natural language are therefore needed to understand how odors are perceived and communicated. In this study, we develop a computational method to characterize the olfaction-related semantic content of words in a large text corpus of internet sites in English...
May 12, 2018: Cognition
https://www.readbyqxmd.com/read/29759021/alginate-ototoxicity-in-the-mouse-model
#13
Sameer A Alvi, Jennifer Nelson-Brantley, Hinrich Staecker
Objective To determine whether alginate exposure to the round window of the mouse causes any measurable ototoxicity. Study Design Prospective animal study. Setting Basic science laboratory affiliated with a tertiary care university medical center. Subjects and Methods After Institutional Animal Care and Use Committee approval, 5 adult mice were obtained and underwent bullostomy and round window niche application of alginate. Auditory brainstem response (ABR) tests were completed at baseline prior to the procedure and also 5, 14, and 30 days postprocedure...
May 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29758626/balancing-selfishness-and-norm-conformity-can-explain-human-behavior-in-large-scale-prisoner-s-dilemma-games-and-can-poise-human-groups-near-criticality
#14
John Realpe-Gómez, Giulia Andrighetto, Luis Gustavo Nardin, Javier Antonio Montoya
Cooperation is central to the success of human societies as it is crucial for overcoming some of the most pressing social challenges of our time; still, how human cooperation is achieved and may persist is a main puzzle in the social and biological sciences. Recently, scholars have recognized the importance of social norms as solutions to major local and large-scale collective action problems, from the management of water resources to the reduction of smoking in public places to the change in fertility practices...
April 2018: Physical Review. E
https://www.readbyqxmd.com/read/29755388/structural-equation-modeling-with-many-variables-a-systematic-review-of-issues-and-developments
#15
Lifang Deng, Miao Yang, Katerina M Marcoulides
Survey data in social, behavioral, and health sciences often contain many variables ( p ). Structural equation modeling (SEM) is commonly used to analyze such data. With a sufficient number of participants ( N ), SEM enables researchers to easily set up and reliably test hypothetical relationships among theoretical constructs as well as those between the constructs and their observed indicators. However, SEM analyses with small N or large p have been shown to be problematic. This article reviews issues and solutions for SEM with small N , especially when p is large...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29755375/influence-of-crhr1-polymorphisms-and-childhood-abuse-on-suicide-attempts-in-affective-disorders-a-gxe-approach
#16
Birgit Ludwig, Klemens Kienesberger, Laura Carlberg, Patrick Swoboda, Alexandra Bernegger, Romina Koller, Qingzhong Wang, Michelle Inaner, Melanie Zotter, Nestor D Kapusta, Helmuth Haslacher, Martin Aigner, Siegfried Kasper, Alexandra Schosser
Background: Previous studies have shown that the hypothalamus-pituitary-adrenal-axis (HPA-axis) is closely involved in the development of affective disorders. Given that early life events are also linked to dysregulation of the same system, there might be an association between childhood adversities and suicidal behavior in affective disorders, moderated by HPA-axis genes. We aimed to investigate a potential association between childhood trauma and previous suicide attempts in affective disorder patients, moderated by variants of the corticotropin-releasing hormone receptor 1 (CRHR1) gene...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29754706/ethics-committees-and-mental-health
#17
Carlos Enrique Yepes Delgado, Andrea Ocampo Montoya
Although research processes are covered by the objectivity of science, they are still influenced by the interests of those who conduct them. This is why high level committees have been tasked with defining the scope of the studies and performing a thorough assessment of them, since these imply great dilemmas. This premise leads to the emergence of Ethics Committees, where liaison psychiatry has an important place due to its communication abilities and knowledge of the human behavior. This paper attempts to provide some observations to take into account when discussing the link between ethics and mental health...
April 2018: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/29752959/the-contribution-of-health-behaviors-to-socioeconomic-inequalities-in-health-a-systematic-review
#18
REVIEW
Dusan Petrovic, Carlos de Mestral, Murielle Bochud, Mel Bartley, Mika Kivimäki, Paolo Vineis, Johan Mackenbach, Silvia Stringhini
Unhealthy behaviors and their social patterning have been frequently proposed as factors mediating socioeconomic differences in health. However, a clear quantification of the contribution of health behaviors to the socioeconomic gradient in health is lacking. This study systematically reviews the role of health behaviors in explaining socioeconomic inequalities in health. Published studies were identified by a systematic review of PubMed, Embase and Web-of-Science. Four health behaviors were considered: smoking, alcohol consumption, physical activity and diet...
May 9, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29746147/female-sex-and-gender-in-lung-sleep-health-and-disease-increased-understanding-of-basic-biological-pathophysiological-and-behavioral-mechanisms-leading-to-better-health-for-female-patients-with-lung-disease
#19
MeiLan K Han, Emilio Arteaga-Solis, John Blenis, Ghada Bourjeily, Deborah J Clegg, Dawn DeMeo, Jeanne Duffy, Ben Gaston, Nicola M Heller, Anna Hemnes, Elizabeth Petri Henske, Raksha Jain, Tim Lahm, Lisa H Lancaster, Joyce Lee, Marianne J Legato, Sherry McKee, Reena Mehra, Alison Morris, Y S Prakash, Martin R Stampfli, Rashmi Gopal-Srivastava, Aaron D Laposky, Antonello Punturieri, Lora Reineck, Xenia Tigno, Janine Clayton
Female sex/gender is an under-characterized variable in studies related to lung development and disease. Notwithstanding, many aspects of lung and sleep biology and pathobiology are impacted by female sex and female reproductive transitions. These may manifest as differential gene expression or peculiar organ development. Some conditions are more prevalent in women, such as asthma and insomnia, or in the case of LAM, are seen almost exclusively in women. In other diseases, presentation differs such as the higher frequency of exacerbations experienced by women with COPD or greater cardiac morbidity among women with sleep disordered breathing...
May 10, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29745716/-objectifying-the-subjective-building-blocks-of-metacognitive-experiences-in-conflict-tasks-correction-to-questienne-et-al-2018
#20
(no author information available yet)
Reports an error in "Objectifying the subjective: Building blocks of metacognitive experiences in conflict tasks" by Laurence Questienne, Anne Atas, Boris Burle and Wim Gevers ( Journal of Experimental Psychology: General , 2018[Jan], Vol 147[1], 125-131). In this article, the second sentence of the second paragraph of the Data Processing section is incorrect due to a production error. The second sentence should read as follows: RTs slower/shorter than Median 3 Median Absolute Deviations computed by participant were removed...
May 2018: Journal of Experimental Psychology. General
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