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https://www.readbyqxmd.com/read/28430606/ketamine-administered-pregnant-rats-impair-learning-and-memory-in-offspring-via-the-creb-pathway
#1
Xinran Li, Cen Guo, Yanan Li, Lina Li, Yuxin Wang, Yiming Zhang, Yue Li, Yu Chen, Wenhan Liu, Li Gao
Ketamine has been reported to impair the capacity for learning and memory. This study examined whether these capacities were also altered in the offspring and investigated the role of the CREB signaling pathway in pregnant rats, subjected to ketamine-induced anesthesia. On the 14th day of gestation (P14), female rats were anesthetized for 3 h via intravenous ketamine injection (200 mg/Kg). Morris water maze task, contextual and cued fear conditioning, and olfactory tasks were executed between the 25th to 30th day after birth (B25-30) on rat pups, and rats were sacrificed on B30...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430602/fluoxetine-attenuates-the-impairment-of-spatial-learning-ability-and-prevents-neuron-loss-in-middle-aged-appswe-psen1de9-double-transgenic-alzheimer-s-disease-mice
#2
Jing Ma, Yuan Gao, Lin Jiang, Feng-Lei Chao, Wei Huang, Chun-Ni Zhou, Wei Tang, Lei Zhang, Chun-Xia Huang, Yi Zhang, Yan-Min Luo, Qian Xiao, Hua-Rong Yu, Rong Jiang, Yong Tang
Selective serotonin reuptake inhibitors (SSRIs) have been reported to increase cognitive performance in some clinical studies of Alzheimer's disease (AD). However, there is a lack of evidence supporting the efficacy of SSRIs as cognition enhancers in AD, and the role of SSRIs as a treatment for AD remains largely unclear. Here, we characterized the impact of fluoxetine (FLX), a well-known SSRI, on neurons in the dentate gyrus (DG) and in CA1 and CA3 of the hippocampus of middle-aged (16 to 17 months old) APPswe/PSEN1dE9 (APP/PS1) transgenic AD model mice...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430318/teaching-medical-students-ultrasound-guided-vascular-access-which-learning-method-is-best
#3
Alwin Lian, James C R Rippey, Peter J Carr
INTRODUCTION: Ultrasound is recommended to guide insertion of peripheral intravenous vascular cannulae (PIVC) where difficulty is experienced. Ultrasound machines are now common-place and junior doctors are often expected to be able to use them. The educational standards for this skill are highly varied, ranging from no education, to self-guided internet-based education, to formal, face-to-face traditional education. In an attempt to decide which educational technique our institution should introduce, a small pilot trial comparing educational techniques was designed...
April 20, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28430147/suitability-of-strain-gage-sensors-for-integration-into-smart-sport-equipment-a-golf-club-example
#4
Anton Umek, Yuan Zhang, Sašo Tomažič, Anton Kos
Wearable devices and smart sport equipment are being increasingly used in amateur and professional sports. Smart sport equipment employs various sensors for detecting its state and actions. The correct choice of the most appropriate sensor(s) is of paramount importance for efficient and successful operation of sport equipment. When integrated into the sport equipment, ideal sensors are unobstructive, and do not change the functionality of the equipment. The article focuses on experiments for identification and selection of sensors that are suitable for the integration into a golf club with the final goal of their use in real time biofeedback applications...
April 21, 2017: Sensors
https://www.readbyqxmd.com/read/28429909/association-between-maternal-vitamin-d-status-during-pregnancy-and-offspring-cognitive-function-during-childhood-and-adolescence
#5
Sargoor R Veena, Ghattu V Krishnaveni, Krishnamachari Srinivasan, Kotrangada P Thajna, Bhavya G Hegde, Catharine R Gale, Caroline Hd Fall
BACKGROUND AND OBJECTIVES: Animal studies have demonstrated poor cognitive outcomes in offspring in relation to maternal vitamin D deficiency before and/or during pregnancy. Human studies linking maternal vitamin D status during pregnancy with offspring cognitive function are limited. We aimed to test the hypothesis that lower maternal vitamin D status during pregnancy is associated with poor offspring cognitive ability in an Indian population. METHODS AND STUDY DESIGN: Cognitive function was assessed in children from the Mysore Parthenon birth cohort during childhood (age 9-10 years; n=468) and adolescence (age 13-14 years; n=472) using 3 core tests from the Kaufman Assessment Battery for children and additional tests measuring learning, long-term retrieval/ storage, short-term memory, reasoning, verbal fluency, visuo-spatial ability, and attention and concentration...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429489/transcriptional-analysis-of-the-adaptation-of-ustilago-maydis-during-growth-under-nitrogen-fixation-conditions
#6
José Alejandro Sánchez-Arreguin, Miguel Angel Hernandez-Oñate, Claudia Geraldine León-Ramirez, José Ruiz-Herrera
Regulation of genes involved in nitrogen metabolism likely plays a role in the ability of fungi to exploit and survive under different environmental situations. To learn about the mechanism of adaptation of the biotrophic fungus Ustilago maydis from a medium containing a source of fixed nitrogen, to a medium depending on the ability to fix N2 by its bacterial endosymbiont, we explored gene expression profiles using RNA-Seq analyses under these two conditions. The differentially expressed (DE) fungal genes were analyzed, identifying 90 genes that were regulated 24 h after shifting the fungus to media lacking ammonium nitrate as a nitrogen source...
April 21, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28428160/simulated-conversations-with-virtual-humans-to-improve-patient-provider-communication-and-reduce-unnecessary-prescriptions-for-antibiotics-a-repeated-measure-pilot-study
#7
Antoinette Schoenthaler, Glenn Albright, Judith Hibbard, Ron Goldman
BACKGROUND: Despite clear evidence that antibiotics do not cure viral infections, the problem of unnecessary prescribing of antibiotics in ambulatory care persists, and in some cases, prescribing patterns have increased. The overuse of antibiotics for treating viral infections has created numerous economic and clinical consequences including increased medical costs due to unnecessary hospitalizations, antibiotic resistance, disruption of gut bacteria, and obesity. Recent research has underscored the importance of collaborative patient-provider communication as a means to reduce the high rates of unnecessary prescriptions for antibiotics...
April 19, 2017: JMIR Medical Education
https://www.readbyqxmd.com/read/28427889/lost-in-translation-cultural-divides-in-communication-skills-teaching-identified-in-the-icch-2016-student-symposium
#8
Heather K Schopper, Nasteha A Mohamed, Max Seegel, Kseniya Gorina, Jonathan Silverman, Marcy Rosenbaum
OBJECTIVE: To provide a platform for learners' voices at an international conference on communication in healthcare. METHODS: A group of medical students were invited to explore their experiences with communication skills learning at a symposium at the 2016 International Conference on Communication in Healthcare in Heidelberg, DE. RESULTS: Students from the US, Denmark, Germany, and Russia discussed their experiences with communication skills curriculum at their institutions...
April 12, 2017: Patient Education and Counseling
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
#9
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/28427295/development-of-visuo-haptic-transfer-for-object-recognition-in-typical-preschool-and-school-aged-children
#10
Giulia Purpura, Giovanni Cioni, Francesca Tinelli
Object recognition is a long and complex adaptive process and its full maturation requires combination of many different sensory experiences as well as cognitive abilities to manipulate previous experiences in order to develop new percepts and subsequently to learn from the environment. It is well recognized that the transfer of visual and haptic information facilitates object recognition in adults, but less is known about development of this ability. In this study, we explored the developmental course of object recognition capacity in children using unimodal visual information, unimodal haptic information, and visuo-haptic information transfer in children from 4 years to 10 years and 11 months of age...
April 20, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28425883/transition-from-secondary-school-to-medical-school-the-role-of-self-study-and-self-regulated-learning-skills-in-freshman-burnout
#11
Joselina Barbosa, Álvaro Silva, Maria Amélia Ferreira, Milton Severo
INTRODUCTION: The transition from secondary to higher education is a challenging and demanding period for medical students. The ability to manage study time effectively and to be a self-regulated learner is essential to cope with the exponential growth of knowledge in medical education. Thus, the purpose of our study was to measure self-regulated learning skills and self-study across secondary higher education transition and to explore its effect on academic burnout in the first year of medical school...
December 30, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28423919/joint-attention-difficulties-in-autistic-adults-an-interactive-eye-tracking-study
#12
Nathan Caruana, Heidi Stieglitz Ham, Jon Brock, Alexandra Woolgar, Nadine Kloth, Romina Palermo, Genevieve McArthur
Joint attention - the ability to coordinate attention with a social partner - is critical for social communication, learning and the regulation of interpersonal relationships. Infants and young children with autism demonstrate impairments in both initiating and responding to joint attention bids in naturalistic settings. However, little is known about joint attention abilities in adults with autism. Here, we tested 17 autistic adults and 17 age- and nonverbal intelligence quotient-matched controls using an interactive eye-tracking paradigm in which participants initiated and responded to joint attention bids with an on-screen avatar...
April 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28422637/embedding-questions-during-online-lecture-capture-to-promote-learning-and-transfer-of-knowledge
#13
Lou Ann Griswold, Catherine E Overson, Victor A Benassi
We examined the effect of quizzing on students' ability to apply lecture content to clinical examples on an in-class exam. Fifty-six occupational therapy students in a graduate-level course completed three online modules that included lectures, slide presentations, demonstrations, and video clips. Throughout each module, students were given "Learning Moments," in which they were asked a question (Question condition); were asked to read a statement confirming the content presented (Study condition); or were not asked to do anything (Not Asked condition)...
May 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28422619/the-role-of-the-school-nurse-in-the-special-education-process-part-i-student-identification-and-evaluation
#14
Catherine F Yonkaitis, Robin A Shannon
Every U.S. student is entitled to a free and appropriate education. School districts must identify and evaluate any child who they find is unable to engage fully in learning as a participant in the general education curriculum. The Individuals with Disabilities Education Act of 2004 requires that these students be assessed by qualified individuals in any areas that may be impacting learning, including health, vision, hearing, social and emotional status, communicative status, and motor abilities. The school nurse, as the health expert, has an important role to play as a member of the special education team in evaluating whether a student has health concerns that are impacting learning and how health barriers to learning might be reduced...
May 2017: NASN School Nurse
https://www.readbyqxmd.com/read/28422080/study-on-temperature-and-synthetic-compensation-of-piezo-resistive-differential-pressure-sensors-by-coupled-simulated-annealing-and-simplex-optimized-kernel-extreme-learning-machine
#15
Ji Li, Guoqing Hu, Yonghong Zhou, Chong Zou, Wei Peng, Jahangir Alam Sm
As a high performance-cost ratio solution for differential pressure measurement, piezo-resistive differential pressure sensors are widely used in engineering processes. However, their performance is severely affected by the environmental temperature and the static pressure applied to them. In order to modify the non-linear measuring characteristics of the piezo-resistive differential pressure sensor, compensation actions should synthetically consider these two aspects. Advantages such as nonlinear approximation capability, highly desirable generalization ability and computational efficiency make the kernel extreme learning machine (KELM) a practical approach for this critical task...
April 19, 2017: Sensors
https://www.readbyqxmd.com/read/28422060/clarifying-the-ghrelin-system-s-ability-to-regulate-feeding-behaviours-despite-enigmatic-spatial-separation-of-the-ghsr-and-its-endogenous-ligand
#16
REVIEW
Alexander Edwards, Alfonso Abizaid
Ghrelin is a hormone predominantly produced in and secreted from the stomach. Ghrelin is involved in many physiological processes including feeding, the stress response, and in modulating learning, memory and motivational processes. Ghrelin does this by binding to its receptor, the growth hormone secretagogue receptor (GHSR), a receptor found in relatively high concentrations in hypothalamic and mesolimbic brain regions. While the feeding and metabolic effects of ghrelin can be explained by the effects of this hormone on regions of the brain that have a more permeable blood brain barrier (BBB), ghrelin produced within the periphery demonstrates a limited ability to reach extrahypothalamic regions where GHSRs are expressed...
April 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28421540/maternal-folic-acid-supplementation-during-pregnancy-improves-neurobehavioral-development-in-rat-offspring
#17
Xinyan Wang, Wen Li, Shou Li, Jing Yan, John X Wilson, Guowei Huang
Maternal folate status during pregnancy may influence central nervous system (CNS) development in offspring. However, the recommended intakes of folic acid for women of childbearing age differ among countries and there is still no consensus about whether folic acid should be supplemented continuously throughout pregnancy. We hypothesized that folic acid supplementation may be more beneficial for offspring's neurobehavioral development if prolonged throughout pregnancy instead of being limited to the periconceptional period...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28421528/postnatal-lps-challenge-impacts-escape-learning-and-expression-of-plasticity-factors-mmp9-and-timp1-in-rats-effects-of-repeated-training
#18
Alexander Trofimov, Tatyana Strekalova, Niall Mortimer, Olga Zubareva, Alexander Schwarz, Evgeniy Svirin, Aleksei Umriukhin, Andrei Svistunov, Klaus-Peter Lesch, Victor Klimenko
Bacterial intoxication associated with inflammatory conditions during development can impair brain functions, in particular evolutionarily novel forms of memory, such as explicit learning. Little is known about the dangers of early-life inflammation on more basic forms of learning, for example, the acquisition of motor escape abilities, which are generally better preserved under pathological conditions. To address this limitation in knowledge, an inflammatory response was elicited in Wistar pups by lipopolysaccharide (LPS) injections (25 μg/kg) on postnatal days P15, P18 and P21...
April 18, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28421244/texture-analysis-as-a-radiomic-marker-for-differentiating-renal-tumors
#19
HeiShun Yu, Jonathan Scalera, Maria Khalid, Anne-Sophie Touret, Nicolas Bloch, Baojun Li, Muhammad M Qureshi, Jorge A Soto, Stephan W Anderson
PURPOSE: To evaluate the utility of texture analysis for the differentiation of renal tumors, including the various renal cell carcinoma subtypes and oncocytoma. MATERIALS AND METHODS: Following IRB approval, a retrospective analysis was performed, including all patients with pathology-proven renal tumors and an abdominal computed tomography (CT) examination. CT images of the tumors were manually segmented, and texture analysis of the segmented tumors was performed...
April 18, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28420954/multiple-kernel-based-region-importance-learning-for-neural-classification-of-gait-states-from-eeg-signals
#20
Yuhang Zhang, Saurabh Prasad, Atilla Kilicarslan, Jose L Contreras-Vidal
With the development of Brain Machine Interface (BMI) systems, people with motor disabilities are able to control external devices to help them restore movement abilities. Longitudinal validation of these systems is critical not only to assess long-term performance reliability but also to investigate adaptations in electrocortical patterns due to learning to use the BMI system. In this paper, we decode the patterns of user's intended gait states (e.g., stop, walk, turn left, and turn right) from scalp electroencephalography (EEG) signals and simultaneously learn the relative importance of different brain areas by using the multiple kernel learning (MKL) algorithm...
2017: Frontiers in Neuroscience
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