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https://www.readbyqxmd.com/read/29334306/learning-science-as-a-potential-new-source-of-understanding-and-improvement-for-continuing-education-and-continuing-professional-development
#1
Thomas J Van Hoof, Terrence J Doyle
Learning science is an emerging interdisciplinary field that offers educators key insights about what happens in the brain when learning occurs. In addition to explanations about the learning process, which includes memory and involves different parts of the brain, learning science offers effective strategies to inform the planning and implementation of activities and programs in continuing education and continuing professional development. This article provides a brief description of learning, including the three key steps of encoding, consolidation and retrieval...
January 15, 2018: Medical Teacher
https://www.readbyqxmd.com/read/29334237/safety-of-working-patterns-among-uk-neuroradiologists-what-can-we-learn-from-the-aviation-industry-and-cognitive-science
#2
John Reicher, Stuart Currie, Daniel Birchall
As the volume and complexity of imaging in the UK continues to rise, there is pressure on radiologists to spend increasing lengths of time reporting to cope with the growing workload. However, there is limited guidance for radiologists about structuring the working day to achieve the necessary balance between satisfactory reporting volume and maintaining quality and safety. We surveyed 86 Neuroradiologists (receiving 59 responses), regarding time spent reporting, frequency and duration of work breaks, and break activities...
January 15, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29334191/exogenous-oestrogen-inhibits-genital-transmission-of-cell-associated-hiv-1-in-dmpa-treated-humanized-mice
#3
Nirk E Quispe Calla, Rodolfo D Vicetti Miguel, Melissa E Glick, Jesse J Kwiek, Janelle M Gabriel, Thomas L Cherpes
INTRODUCTION: HIV affects more women than any other life-threatening infectious agent, and most infections are sexually transmitted. HIV must breach the female genital tract mucosal barrier to establish systemic infection, and clinical studies indicate virus more easily evades this barrier in women using depot-medroxyprogesterone acetate (DMPA) and other injectable progestins for contraception. Identifying a potential mechanism for this association, we learned DMPA promotes susceptibility of wild-type mice to genital herpes simplex virus type 2 (HSV-2) infection by reducing genital tissue expression of the cell-cell adhesion molecule desmoglein-1 (DSG-1) and increasing genital mucosal permeability...
January 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29333487/activation-of-the-medial-prefrontal-cortex-reverses-cognitive-and-respiratory-symptoms-in-a-mouse-model-of-rett-syndrome
#4
C James Howell, Michael P Sceniak, Min Lang, Wenceslas Krakowiecki, Fatimah E Abouelsoud, Saloni U Lad, Heping Yu, David M Katz
Rett syndrome (RTT) is a severe neurodevelopmental disorder caused by loss-of-function mutations in the gene encoding methyl-CpG-binding protein 2 (MeCP2; Amir et al., 1999), a transcriptional regulatory protein (Klose et al., 2005). Mouse models of RTT (Mecp2 mutants) exhibit excitatory hypoconnectivity in the medial prefrontal cortex (mPFC; Sceniak et al., 2015), a region critical for functions that are abnormal in RTT patients, ranging from learning and memory to regulation of visceral homeostasis (Riga et al...
November 2017: ENeuro
https://www.readbyqxmd.com/read/29333482/flexibility-in-the-face-of-fear-hippocampal-prefrontal-regulation-of-fear-and-avoidance
#5
Justin M Moscarello, Stephen Maren
Generating appropriate defensive behaviors in the face of threat is essential to survival. Although many of these behaviors are 'hard-wired', they are also flexible. For example, Pavlovian fear conditioning generates learned defensive responses, such as conditioned freezing, that can be suppressed through extinction. The expression of extinguished responses is highly context-dependent, allowing animals to engage behavioral responses appropriate to the contexts in which threats are encountered. Likewise, animals and humans will avoid noxious outcomes if given the opportunity...
February 2018: Current Opinion in Behavioral Sciences
https://www.readbyqxmd.com/read/29333328/learning-tree-structured-detection-cascades-for-heterogeneous-networks-of-embedded-devices
#6
Hamid Dadkhahi, Benjamin M Marlin
In this paper, we present a new approach to learning cascaded classifiers for use in computing environments that involve networks of heterogeneous and resource-constrained, low-power embedded compute and sensing nodes. We present a generalization of the classical linear detection cascade to the case of tree-structured cascades where different branches of the tree execute on different physical compute nodes in the network. Different nodes have access to different features, as well as access to potentially different computation and energy resources...
August 2017: KDD: Proceedings
https://www.readbyqxmd.com/read/29332567/nociceptin-orphanin-fq-peptide-nop-receptor-modulators-an-update-in-structure-activity-relationships
#7
Carlo Mustazza, Stefano Pieretti, Francesca Marzoli
Nociceptin /Orphanin FQ Peptide" receptor (NOPr) is a G-protein-coupled receptor with the nociceptin/orphanin FQ peptide (N/OFQ) as endogenous agonist. It is expressed in the nervous system as well as in some non-neural tissues. Its activation has pronociceptive effect at the supraspinal level, whereas at the spinal level it produces nociceptive effects at low doses and antinociceptive effects at higher doses. NOPr is also involved in mood and blood pressure regulation, immunoregulation, airway constriction, feeding, urination, bowel motility, learning and memory...
January 10, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29332050/supplemental-retinal-carotenoids-enhance-memory-in-healthy-individuals-with-low-levels-of-macular-pigment-in-a-randomized-double-blind-placebo-controlled-clinical-trial
#8
Rebecca Power, Robert F Coen, Stephen Beatty, Riona Mulcahy, Rachel Moran, Jim Stack, Alan N Howard, John M Nolan
BACKGROUND: There is a biologically plausible rationale whereby the dietary carotenoids lutein (L), zeaxanthin (Z), and meso-zeaxanthin (MZ), which are collectively referred to as macular pigment (MP) in the central retina (macula), support the maintenance of cognition via their antioxidant and anti-inflammatory properties. OBJECTIVE: To investigate the impact of supplemental L, Z, and MZ on memory, executive function, and verbal fluency among healthy individuals with low MP levels...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29331743/preliminary-investigation-of-human-exhaled-breath-for-tuberculosis-diagnosis-by-multidimensional-gas-chromatography-time-of-flight-mass-spectrometry-and-machine-learning
#9
Marco Beccaria, Theodore R Mellors, Jacky S Petion, Christiaan A Rees, Mavra Nasir, Hannah K Systrom, Jean W Sairistil, Marc-Antoine Jean-Juste, Vanessa Rivera, Kerline Lavoile, Patrice Severe, Jean W Pape, Peter F Wright, Jane E Hill
Tuberculosis (TB) remains a global public health malady that claims almost 1.8 million lives annually. Diagnosis of TB represents perhaps one of the most challenging aspects of tuberculosis control. Gold standards for diagnosis of active TB (culture and nucleic acid amplification) are sputum-dependent, however, in up to a third of TB cases, an adequate biological sputum sample is not readily available. The analysis of exhaled breath, as an alternative to sputum-dependent tests, has the potential to provide a simple, fast, and non-invasive, and ready-available diagnostic service that could positively change TB detection...
January 4, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29331692/memory-performance-predicts-response-to-psychotherapy-for-depression-in-bipolar-disorder-a-pilot-randomized-controlled-trial-with-exploratory-functional-magnetic-resonance-imaging
#10
Thilo Deckersbach, Amy T Peters, Conor Shea, Aishwarya Gosai, Jonathan P Stange, Andrew D Peckham, Kristen K Ellard, Michael W Otto, Scott L Rauch, Darin D Dougherty, Andrew A Nierenberg
OBJECTIVE: This pilot randomized controlled trial compared Cognitive Behavior Therapy (CBT) and Supportive Psychotherapy (SP) for the treatment of depression in bipolar I disorder. We also examined whether exploratory verbal memory, executive functioning, and neural correlates of verbal memory during functional magnetic resonance imaging (fMRI) predicted change in depression severity. METHODS: Thirty-two adults (ages 18-65) with DSM-IV bipolar I disorder meeting current criteria for a major depressive episode were randomized to 18 weeks of CBT or SP...
December 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29331549/is-sequence-awareness-mandatory-for-perceptual-sequence-learning-an-assessment-using-a-pure-perceptual-sequence-learning-design
#11
Natacha Deroost, Daphné Coomans
We examined the role of sequence awareness in a pure perceptual sequence learning design. Participants had to react to the target's colour that changed according to a perceptual sequence. By varying the mapping of the target's colour onto the response keys, motor responses changed randomly. The effect of sequence awareness on perceptual sequence learning was determined by manipulating the learning instructions (explicit versus implicit) and assessing the amount of sequence awareness after the experiment. In the explicit instruction condition (n = 15), participants were instructed to intentionally search for the colour sequence, whereas in the implicit instruction condition (n = 15), they were left uninformed about the sequenced nature of the task...
January 10, 2018: Acta Psychologica
https://www.readbyqxmd.com/read/29331447/sharp-wave-ripples-as-a-signature-of-hippocampal-prefrontal-reactivation-for-memory-during-sleep-and-waking-states
#12
Wenbo Tang, Shantanu P Jadhav
It is widely believed that memories that are encoded and retrieved during waking behavior are consolidated during sleep. Recent studies on the interactions between the hippocampus and the prefrontal cortex have greatly advanced our understanding of the physiological bases of these memory processes. Although hippocampal-prefrontal network activity differs in many aspects during waking and sleep states, here we review evidence that hippocampal sharp-wave ripples (SWRs) emerge as a common neurophysiological pattern in both states, facilitating communication between these two regions via coordinated reactivation of stored memory information...
January 10, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29331446/intolerance-of-uncertainty-neural-and-psychophysiological-correlates-of-the-perception-of-uncertainty-as-threatening
#13
REVIEW
Ema Tanovic, Dylan G Gee, Jutta Joormann
Intolerance of uncertainty (IU) reflects the perception of uncertainty as threatening, regardless of the true probability of threat. IU is elevated in various forms of psychopathology, uniquely associated with anxiety and depression symptoms after controlling for related constructs, and prospectively predicts symptoms. Given the ubiquity of uncertainty in daily life and the clinical implications of IU, recent work has begun to investigate the neural and psychophysiological correlates of IU. This review summarizes the existing literature and integrates findings within a mechanistic neural model of responding to uncertainty...
January 6, 2018: Clinical Psychology Review
https://www.readbyqxmd.com/read/29331000/evaluation-of-peer-assisted-learning-in-evidence-based-medicine-course-a-pilot-study-at-university-of-glasgow
#14
Syed Hamid Habib, Muhammad Omar Malik, Sadia Fatima, Inayat Shah
BACKGROUND: Peer Assisted Learning (PAL) is a well-established approach in learning and is increasingly being utilized in the medical education system. It is a process where active help of peer group members is taken for learning. This study aimed to look at the impact of peer assisted learning on the students at the end of the session. METHODS: Sixteen Postgraduate students attending Evidence Based Medicine (EBM) course spanning over two semesters (6 months each) were recruited...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330973/the-effect-of-sex-education-and-life-skills-for-preventive-sexual-risk-behaviours-among-university-of-students-in-thailand
#15
Katekaew Seangpraw, Rattana Somrongthong, Monchanok Choowanthanapakorn, Ramesh Kumar
BACKGROUND: Currently, the problem of sexual risk behaviour of adolescents has increased worldwide, including Thailand. This study compared the effectiveness of promoting life skills to prevent sexual risk behaviours among university students in the Phayao Province of Thailand. METHODS: A quasi-experimental design was employed with a pre- and post-test study for a sample of freshmen university students. The students were then split into an intervention group comprised of 300 students, with a second group of 250 students from the same faculty as the control group...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330835/international-guidelines-for-groin-hernia-management
#16
(no author information available yet)
INTRODUCTION: Worldwide, more than 20 million patients undergo groin hernia repair annually. The many different approaches, treatment indications and a significant array of techniques for groin hernia repair warrant guidelines to standardize care, minimize complications, and improve results. The main goal of these guidelines is to improve patient outcomes, specifically to decrease recurrence rates and reduce chronic pain, the most frequent problems following groin hernia repair. They have been endorsed by all five continental hernia societies, the International Endo Hernia Society and the European Association for Endoscopic Surgery...
January 12, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29330734/how-does-school-experience-relate-to-adolescent-identity-formation-over-time-cross-lagged-associations-between-school-engagement-school-burnout-and-identity-processing-styles
#17
Rasa Erentaitė, Rimantas Vosylis, Ingrida Gabrialavičiūtė, Saulė Raižienė
The existing research findings still do not provide a clear understanding of the links between adolescent school experience and their identity formation. To address this gap, we analyzed the dynamic links between adolescent school experiences and identity formation by exploring the cross-lagged associations between school engagement, school burnout and identity processing styles (information-oriented, normative and diffuse-avoidant) over a 2-year period during middle-to-late adolescence. The sample of this school-based study included 916 adolescents (51...
January 12, 2018: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/29330489/decoding-hind-limb-kinematics-from-neuronal-activity-of-the-dorsal-horn-neurons-using-multiple-level-learning-algorithm
#18
Hamed Yeganegi, Yaser Fathi, Abbas Erfanian
Decoding continuous hind limb joint angles from sensory recordings of neural system provides a feedback for closed-loop control of hind limb movement using functional electrical stimulation. So far, many attempts have been done to extract sensory information from dorsal root ganglia and sensory nerves. In this work, we examine decoding joint angles trajectories from the single-electrode extracellular recording of dorsal horn gray matter of the spinal cord during passive limb movement in anesthetized cats. In this study, a processing framework based on ensemble learning approach is propose to combine firing rate (FR) and interspike interval (ISI) information of the neuronal activity...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330488/motor-skill-learning-and-reward-consumption-differentially-affect-vta-activation
#19
Susan Leemburg, Tara Canonica, Andreas Luft
Dopamine release from the ventral tegmental area (VTA) terminals in the primary motor cortex (M1) enables motor skill acquisition. Here, we test the hypothesis that dopaminergic VTA neurons projecting to M1 are activated when rewards are obtained during motor skill acquisition, but not during task execution at plateau performance, or by rewards obtained without performing skilled movements. Rats were trained to perform a skilled reaching task for 3 days (acquisition) or 7 days (plateau). In combination with retrograde labelling of VTA-to-M1 projection neurons, double immunofluorescence for c-fos and tyrosine hydroxylase (TH) was used to assess activation of dopaminergic and non-dopaminergic VTA neurons...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330349/pharmacologic-inhibition-of-phospholipase-c-in-the-brain-attenuates-early-memory-formation-in-the-honeybee-apis-mellifera-l
#20
Shota Suenami, Shiori Iino, Takeo Kubo
Although the molecular mechanisms involved in learning and memory in insects have been studied intensively, the intracellular signaling mechanisms involved in early memory formation are not fully understood. We previously demonstrated that phospholipase C epsilon (PLCe), whose product is involved in calcium signaling, is almost selectively expressed in the mushroom bodies, a brain structure important for learning and memory in the honeybee. Here, we pharmacologically examined the role of phospholipase C (PLC) in learning and memory in the honeybee...
January 12, 2018: Biology Open
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