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https://www.readbyqxmd.com/read/28429620/physician-perspectives-on-decision-making-for-treatment-of-pediatric-sleep-disordered-breathing
#1
Emily F Boss, Anne R Links, Ron Saxton, Tina L Cheng, Mary Catherine Beach
Sleep-disordered breathing (SDB) is prevalent in children and most commonly treated by surgery with adenotonsillectomy. We aimed to learn physician perspectives of social and communication factors that influence decision making for treatment of pediatric SDB. Purposive sampling identified 10 physician key informants across disciplines and practice settings, who participated in semistructured interviews regarding SDB care experiences and communication with parents. Interviews were analyzed using directed qualitative content analysis...
April 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28428564/nanometre-scale-3d-defects-in-cr2alc-thin-films
#2
Y T Chen, D Music, L Shang, J Mayer, J M Schneider
MAX-phase Cr2AlC containing thin films were synthesized by magnetron sputtering in an industrial system. Nanometre-scale 3D defects are observed near the boundary between regions of Cr2AlC and of the disordered solid solution (CrAl)xCy. Shrinkage of the Cr-Cr interplanar distance and elongation of the Cr-Al distance in the vicinity of the defects are detected using transmission electron microscopy. The here observed deformation surrounding the defects was described using density functional theory by comparing the DOS of bulk Cr2AlC with the DOS of a strained and unstrained Cr2AlC(0001) surface...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428048/multi-center-machine-learning-in-imaging-psychiatry-a-meta-model-approach
#3
Petr Dluhoš, Daniel Schwarz, Wiepke Cahn, Neeltje van Haren, René Kahn, Filip Španiel, Jiří Horáček, Tomáš Kašpárek, Hugo Schnack
One of the biggest problems in automated diagnosis of psychiatric disorders from medical images is the lack of sufficiently large samples for training. Sample size is especially important in the case of highly heterogeneous disorders such as schizophrenia, where machine learning models built on relatively low numbers of subjects may suffer from poor generalizability. Via multicenter studies and consortium initiatives researchers have tried to solve this problem by combining data sets from multiple sites. The necessary sharing of (raw) data is, however, often hindered by legal and ethical issues...
April 17, 2017: NeuroImage
https://www.readbyqxmd.com/read/28427402/fluorescence-cholangiography-during-laparoscopic-cholecystectomy-in-a-patient-with-situs-inversus-totalis-a-case-report-and-literature-review
#4
Narongsak Rungsakulkij, Pongsatorn Tangtawee
BACKGROUND: Situs inversus totalis is a rare autosomal disorder in which the patient's affected visceral organs are a perfect mirror image of their normal positions. Surgery in these patients is technically challenging. Minimally invasive surgery such as laparoscopic cholecystectomy is the standard treatment for symptomatic cholelithiasis, but it can be difficult to perform. Laparoscopic cholecystectomy in patients with situs inversus totalis may be even more technically challenging. Fluorescence cholangiography is a new innovation in the field of navigation surgery...
April 20, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28427388/movement-cognition-and-narration-of-the-emotions-treatment-versus-standard-speech-therapy-in-the-treatment-of-children-with-borderline-intellectual-functioning-a-randomized-controlled-trial
#5
V Blasi, G Baglio, F Baglio, M P Canevini, M Zanette
BACKGROUND: Borderline intellectual functioning (BIF) is defined as a "health meta-condition… characterized by various cognitive dysfunctions associated with an intellectual quotient (IQ) between 71 and 85 which determines a deficit in the individual's functioning both in the restriction of activities and in the limitation of social participation". It can be caused by many factors, including a disadvantaged background and prematurity. BIF affects 7-12% of primary school children that show academic difficulties due to poor executive functioning...
April 20, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28427329/cross-disorder-comparative-analysis-of-comorbid-conditions-reveals-novel-autism-candidate-genes
#6
Leticia Diaz-Beltran, Francisco J Esteban, Maya Varma, Alp Ortuzk, Maude David, Dennis P Wall
BACKGROUND: Numerous studies have highlighted the elevated degree of comorbidity associated with autism spectrum disorder (ASD). These comorbid conditions may add further impairments to individuals with autism and are substantially more prevalent compared to neurotypical populations. These high rates of comorbidity are not surprising taking into account the overlap of symptoms that ASD shares with other pathologies. From a research perspective, this suggests common molecular mechanisms involved in these conditions...
April 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28427021/risk-factors-for-learning-problems-in-youth-with-psychogenic-non-epileptic-seizures
#7
Julia Doss, Rochelle Caplan, Prabha Siddarth, Brenda Bursch, Tatiana Falcone, Marcy Forgey, Kyle Hinman, W Curt LaFrance, Rebecca Laptook, Richard Shaw, Deborah Weisbrot, Matthew Willis, Sigita Plioplys
OBJECTIVES: This study examined the risk factors for learning problems (LP) in pediatric psychogenic non-epileptic seizures (PNES) and their specificity by comparing psychopathology, medical, cognitive/linguistic/achievement, bullying history, and parent education variables between subjects with PNES with and without LP and between subjects with PNES and siblings with LP. METHODS: 55 subjects with PNES and 35 siblings, aged 8-18years, underwent cognitive, linguistic, and achievement testing, and completed somatization and anxiety sensitivity questionnaires...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28426832/a-systematic-review-of-pragmatic-language-interventions-for-children-with-autism-spectrum-disorder
#8
Lauren Parsons, Reinie Cordier, Natalie Munro, Annette Joosten, Renée Speyer
There is a need for evidence based interventions for children with autism spectrum disorder (ASD) to limit the life-long, psychosocial impact of pragmatic language impairments. This systematic review identified 22 studies reporting on 20 pragmatic language interventions for children with ASD aged 0-18 years. The characteristics of each study, components of the interventions, and the methodological quality of each study were reviewed. Meta-analysis was conducted to assess the effectiveness of 15 interventions...
2017: PloS One
https://www.readbyqxmd.com/read/28426817/evaluation-of-machine-learning-algorithms-and-structural-features-for-optimal-mri-based-diagnostic-prediction-in-psychosis
#9
Raymond Salvador, Joaquim Radua, Erick J Canales-Rodríguez, Aleix Solanes, Salvador Sarró, José M Goikolea, Alicia Valiente, Gemma C Monté, María Del Carmen Natividad, Amalia Guerrero-Pedraza, Noemí Moro, Paloma Fernández-Corcuera, Benedikt L Amann, Teresa Maristany, Eduard Vieta, Peter J McKenna, Edith Pomarol-Clotet
A relatively large number of studies have investigated the power of structural magnetic resonance imaging (sMRI) data to discriminate patients with schizophrenia from healthy controls. However, very few of them have also included patients with bipolar disorder, allowing the clinically relevant discrimination between both psychotic diagnostics. To assess the efficacy of sMRI data for diagnostic prediction in psychosis we objectively evaluated the discriminative power of a wide range of commonly used machine learning algorithms (ridge, lasso, elastic net and L0 norm regularized logistic regressions, a support vector classifier, regularized discriminant analysis, random forests and a Gaussian process classifier) on main sMRI features including grey and white matter voxel-based morphometry (VBM), vertex-based cortical thickness and volume, region of interest volumetric measures and wavelet-based morphometry (WBM) maps...
2017: PloS One
https://www.readbyqxmd.com/read/28424990/proteomic-analysis-of-the-hippocampus-in-mouse-models-of-trigeminal-neuralgia-and-inescapable-shock-induced-depression
#10
Qing-Huan Guo, Qing-He Tong, Ning Lu, Hong Cao, Liu Yang, Yu-Qiu Zhang
To investigate the behavioral and biomolecular similarity between neuralgia and depression, a trigeminal neuralgia (TN) mouse model was established by constriction of the infraorbital nerve (CION) to mimic clinical trigeminal neuropathic pain. A mouse learned helplessness (LH) model was developed to investigate inescapable foot-shock-induced psychiatric disorders like depression in humans. Mass spectrometry was used to assess changes in the biomolecules and signaling pathways in the hippocampus from TN or LH mice...
April 19, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28424766/the-need-for-hematology-nurse-education-in-low-and-middle-income-countries-a-community-case-study-in-tanzania
#11
Julie M Buser
Hematology-related diseases, such as anemia, malaria, sickle cell disease (SCD), and blood cancers, have differing rates of survival between high-income and low- and middle-income countries (LMICs). Nurses in LMICs have an unmet need for specialty training and education to address hematology and hemato-oncology disorders. A gap in the literature exists about hematology nurse education and clinical service demands in LMICs. This community case study documents a collaborative hematology and basic hemato-oncology education program to sustainably strengthen nurse capacity at a national referral hospital and university in Tanzania...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28424512/human-umbilical-cord-plasma-proteins-revitalize-hippocampal-function-in-aged-mice
#12
Joseph M Castellano, Kira I Mosher, Rachelle J Abbey, Alisha A McBride, Michelle L James, Daniela Berdnik, Jadon C Shen, Bende Zou, Xinmin S Xie, Martha Tingle, Izumi V Hinkson, Martin S Angst, Tony Wyss-Coray
Ageing drives changes in neuronal and cognitive function, the decline of which is a major feature of many neurological disorders. The hippocampus, a brain region subserving roles of spatial and episodic memory and learning, is sensitive to the detrimental effects of ageing at morphological and molecular levels. With advancing age, synapses in various hippocampal subfields exhibit impaired long-term potentiation, an electrophysiological correlate of learning and memory. At the molecular level, immediate early genes are among the synaptic plasticity genes that are both induced by long-term potentiation and downregulated in the aged brain...
April 19, 2017: Nature
https://www.readbyqxmd.com/read/28420972/multi-modal-multi-measure-and-multi-class-discrimination-of-adhd-with-hierarchical-feature-extraction-and-extreme-learning-machine-using-structural-and-functional-brain-mri
#13
Muhammad Naveed Iqbal Qureshi, Jooyoung Oh, Beomjun Min, Hang Joon Jo, Boreom Lee
Structural and functional MRI unveil many hidden properties of the human brain. We performed this multi-class classification study on selected subjects from the publically available attention deficit hyperactivity disorder ADHD-200 dataset of patients and healthy children. The dataset has three groups, namely, ADHD inattentive, ADHD combined, and typically developing. We calculated the global averaged functional connectivity maps across the whole cortex to extract anatomical atlas parcellation based features from the resting-state fMRI (rs-fMRI) data and cortical parcellation based features from the structural MRI (sMRI) data...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28419975/animal-models-for-neuropsychiatric-disorders-prospects-for-circuit-intervention
#14
REVIEW
Tobias Kaiser, Yang Zhou, Guoping Feng
Monogenic animal models for psychiatric diseases have enabled researchers to dissect the relationship between certain candidate genes, neural circuit abnormalities, and behavioral phenotypes along development. Early reports of phenotypic reversal after genetic restoration in mouse models sparked hope that genetic defects do not damage circuits irreversibly in early-onset disorders. However, further studies have suggested that only some circuits exhibit this plasticity, while many others require proper gene function during development...
April 15, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28419772/visual-memory-uniquely-predicts-anhedonia-in-schizophrenia-but-not-bipolar-disorder
#15
Anjuli S Bodapati, Lisanne M Jenkins, Rajiv P Sharma, Cherise Rosen
OBJECTIVE: Deficits in memory have been suggested as an influential mechanism of anhedonia, because while pleasant experiences may be enjoyed in-the-moment, the cognitive processes involved in reporting anticipated or remembered enjoyable experiences is thought to be impaired. This study will determine whether any aspects of memory, including visual memory, verbal memory or working memory, are significantly predictive of anhedonia in a sample of schizophrenia, psychotic bipolar disorder and healthy controls...
April 17, 2017: Journal of Neuropsychology
https://www.readbyqxmd.com/read/28419474/using-advances-from-cognitive-behavioral-models-of-anxiety-to-guide-treatment-for-social-anxiety-disorder
#16
Rachel K Narr, Bethany A Teachman
This case features an adult male with moderate social anxiety disorder and mild depressive symptoms who showed an initial positive response to an earlier experience of cognitive behavior therapy, but then relapsed when he started avoiding social situations again because of continuing beliefs that experiencing anxiety was unacceptable. His treatment at our clinic focused on shifting unhelpful thinking about the likelihood and consequences of becoming anxious and reengaging in avoided social situations so he could learn to tolerate negative affect and uncertainty...
May 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28419062/single-center-study-investigating-foreign-language-acquisition-at-school-in-children-adolescents-and-young-adults-with-uni-or-bilateral-cochlear-implants-in-the-swiss-german-population
#17
Renske Beeres-Scheenstra, Claudia Ohnsorg, Claudia Candreia, Sybille Heinzmann, Susana Castellanos, Nicola De Min, Thomas E Linder
OBJECTIVE: To evaluate foreign language acquisition at school in cochlear implant patients. STUDY DESIGN: Cohort study. SETTING: CI center. PATIENTS: Forty three cochlear implants (CI) patients (10-18 yr) were evaluated. CI nonusers and patients with CI-explantation, incomplete datasets, mental retardation, or concomitant medical disorders were excluded. INTERVENTION(S): Additional data (type of schooling, foreign language learning, and bilingualism) were obtained with questionnaires...
April 17, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28418529/anxiety-in-11-year-old-children-who-stutter-findings-from-a-prospective-longitudinal-community-sample
#18
Kylie A Smith, Lisa Iverach, Susan O'Brian, Fiona Mensah, Elaina Kefalianos, Anna Hearne, Sheena Reilly
Purpose: To examine if a community sample of 11-year-old children with persistent stuttering have higher anxiety than children who have recovered from stuttering and nonstuttering controls. Method: Participants in a community cohort study were categorized into 3 groups: (a) those with persistent stuttering, (b) those with recovered stuttering, and (c) nonstuttering controls. Linear regression modeling compared outcomes on measures of child anxiety and emotional and behavioral functioning for the 3 groups...
April 16, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28417939/soil-lead-and-children-s-blood-lead-disparities-in-pre-and-post-hurricane-katrina-new-orleans-usa
#19
Howard W Mielke, Christopher R Gonzales, Eric T Powell
This study appraises New Orleans soil lead and children's lead exposure before and ten years after Hurricane Katrina flooded the city. Introduction: Early childhood exposure to lead is associated with lifelong and multiple health, learning, and behavioral disorders. Lead exposure is an important factor hindering the long-term resilience and sustainability of communities. Lead exposure disproportionately affects low socioeconomic status of communities. No safe lead exposure is known and the common intervention is not effective...
April 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28417291/reward-prediction-errors-in-drug-addiction-and-parkinson-s-disease-from-neurophysiology-to-neuroimaging
#20
REVIEW
Isabel García-García, Yashar Zeighami, Alain Dagher
PURPOSE OF REVIEW: Surprises are important sources of learning. Cognitive scientists often refer to surprises as "reward prediction errors," a parameter that captures discrepancies between expectations and actual outcomes. Here, we integrate neurophysiological and functional magnetic resonance imaging (fMRI) results addressing the processing of reward prediction errors and how they might be altered in drug addiction and Parkinson's disease. RECENT FINDINGS: By increasing phasic dopamine responses, drugs might accentuate prediction error signals, causing increases in fMRI activity in mesolimbic areas in response to drugs...
June 2017: Current Neurology and Neuroscience Reports
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