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https://www.readbyqxmd.com/read/28546308/dentate-gyrus-contributes-to-retrieval-as-well-as-encoding-evidence-from-context-fear-conditioning-recall-and-extinction
#1
Brian E Bernier, Anthony F Lacagnina, Adam Ayoub, Francis Shue, Boris V Zemelman, Franklin B Krasne, Michael R Drew
Dentate gyrus (DG) is widely thought to provide a teaching signal that enables hippocampal encoding of memories, but its role during retrieval is poorly understood. Some data and models suggest that DG plays no role in retrieval; others encourage the opposite conclusion. To resolve this controversy, we evaluated the effects of optogenetic inhibition of dorsal DG during context fear conditioning, recall, generalization, and extinction in male mice. We found that (1) inhibition during training impaired context fear acquisition; (2) inhibition during recall did not impair fear expression in the training context, unless mice had to distinguish between similar feared and neutral contexts; (3) inhibition increased generalization of fear to an unfamiliar context that was similar to a feared one and impaired fear expression in the conditioned context when it was similar to a neutral one; (4) inhibition impaired fear extinction...
May 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28543228/scenario-evaluator-for-electrical-resistivity-survey-pre-modeling-tool
#2
Neil Terry, Frederick D Day-Lewis, Judith L Robinson, Lee D Slater, Keith Halford, Andrew Binley, John W Lane, Dale Werkema
Geophysical tools have much to offer users in environmental, water resource, and geotechnical fields; however, techniques such as electrical resistivity imaging (ERI) are often oversold and/or overinterpreted due to a lack of understanding of the limitations of the techniques, such as the appropriate depth intervals or resolution of the methods. The relationship between ERI data and resistivity is nonlinear; therefore, these limitations depend on site conditions and survey design and are best assessed through forward and inverse modeling exercises prior to field investigations...
May 23, 2017: Ground Water
https://www.readbyqxmd.com/read/28541178/simulated-mortality-we-can-do-more
#3
Andrew T Goldberg, Benjamin J Heller, Jesse Hochkeppel, Adam I Levine, Samuel Demaria
High-fidelity simulation (HFS) is a relatively new teaching modality, which is gaining widespread acceptance in medical education. To date, dozens of studies have proven the usefulness of HFS in improving student, resident, and attending physician performance, with similar results in the allied health fields. Although many studies have analyzed the utility of simulation, few have investigated why it works. A recent study illustrated that permissive failure, leading to simulated mortality, is one HFS method that can improve long-term performance...
July 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28540142/rapid-cycle-deliberate-practice-in-medical-education-a-systematic-review
#4
REVIEW
Jillian Taras, Tobias Everett
Rapid Cycle Deliberate Practice (RCDP) is a novel simulation-based education model that is currently attracting interest, implementation, exploration and research in medical education. In RCDP, learners rapidly cycle between deliberate practice and directed feedback within the simulation scenario until mastery is achieved. The objective of this systematic review is to examine the literature and summarize the existing knowledge on RCDP in simulation-based medical education. Fifteen resources met inclusion criteria; they were diverse and heterogeneous, such that we did not perform a quantitative synthesis or meta-analysis but rather a narrative review on RCDP...
April 19, 2017: Curēus
https://www.readbyqxmd.com/read/28538446/coaching-the-debriefer-peer-coaching-to-improve-debriefing-quality-in-simulation-programs
#5
Adam Cheng, Vincent Grant, James Huffman, Gavin Burgess, Demian Szyld, Traci Robinson, Walter Eppich
Formal faculty development programs for simulation educators are costly and time-consuming. Peer coaching integrated into the teaching flow can enhance an educator's debriefing skills. We provide a practical guide for the who, what, when, where, why, and how of peer coaching for debriefing in simulation-based education. Peer coaching offers advantages such as psychological safety and team building, and it can benefit both the educator who is receiving feedback and the coach who is providing it. A feedback form for effective peer coaching includes the following: (1) psychological safety, (2) framework, (3) method/strategy, (4) content, (5) learner centeredness, (6) co-facilitation, (7) time management, (8) difficult situations, (9) debriefing adjuncts, and (10) individual style and experience...
May 20, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28534722/a-survey-of-established-veterinary-clinical-skills-laboratories-from-europe-and-north-america-present-practices-and-recent-developments
#6
Marc Dilly, Emma K Read, Sarah Baillie
Developing competence in clinical skills is important if graduates are to provide entry-level care but it is dependent on having had sufficient hands-on practice. Clinical skills laboratories provide opportunities for students to learn on simulators and models in a safe environment and to supplement training with animals. Interest in facilities for developing veterinary clinical skills has increased in recent years as many veterinary colleges face challenges in training their students with traditional methods alone...
May 23, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28530132/development-of-a-high-fidelity-pressurized-porcine-beating-heart-simulator-for-cardiac-surgery-training
#7
Igo B Ribeiro, Janet M C Ngu, Gurinder Gill, Fraser D Rubens
BACKGROUND: Development of a high-fidelity cardiac surgery simulator (CSS) requires integration of a heart model with a mock cardiopulmonary bypass (CPB) circuit that can provide feedback to mimic the pathophysiology of cardiac surgery. However, the cost of commercially available simulators precludes regular use. We describe steps in the construction of a high-fidelity CSS that integrates a pulsatile paracorporeal ventricular-assist device (Pulse-VAD) and a commercially available CPB simulator...
May 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28527474/fifteen-years-of-experience-from-a-medical-school-clinical-skills-laboratory
#8
José Miguel Pêgo, João José Cerqueira, João Bessa, Vitor Hugo Pereira, Sara Gomes, José Mariz, Rita Sousa, Pedro Morgado, Nuno Sousa
INTRODUCTION: Medical Education has evolved being defined as a continuum of the medical training from the pre- to the post-graduate period and through a lifetime of medical practice that is mirrored in the competencies framework that several international institutions have established. This creates a challenge to educational institutions (pre- and post-graduate) that traditionally take separate pathways. MATERIAL AND METHODS: The present report is a description of the efforts carried by the School of Medicine of the University of Minho to implement a strategy of teaching/learning methods that follows modern standards towards constructive alignment of the medical curriculum, from the pre- to the post-graduate...
February 27, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28526619/construct-validity-of-a-simple-laparoscopic-ovarian-cystectomy-model-using-a-validated-objective-structured-assessment-of-technical-skills
#9
Elizabeth Britton Chahine, Chan Hee Han, Tamika Auguste
STUDY OBJECTIVE: To determine the construct validity and inter-rater reliability of a laparoscopic ovarian cystectomy simulator using a global rating scale. DESIGN: Prospective blinded observational study. DESIGN: Classification: II.3 SETTING: Academic teaching hospital. PARTICIPANTS: A total of 26 postgraduate year 1 - 4 gynecology and obstetrics residents were recruited. (15 junior residents, postgraduate year (PGY) 1 - 2 and 11 senior residents, PGY 3 - 4)...
May 16, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28523743/applying-lessons-from-social-psychology-to-transform-the-culture-of-error-disclosure
#10
Jason Han, Denise LaMarra, Neha Vapiwala
CONTEXT: The ability to carry out prompt and effective error disclosure has been described in the literature as an essential skill among physicians that can lead to improved patient satisfaction, staff well-being and hospital outcomes. However, few studies have addressed the social psychology principles that may influence physician behaviour. METHODS: The authors provide an overview of recent administrative measures designed to encourage physicians to disclose error, but note that deliberate practice, buttressed with lessons from social psychology, is needed to implement further productive behavioural changes...
May 18, 2017: Medical Education
https://www.readbyqxmd.com/read/28521380/-clinical-practical-examination-in-orthopaedic-teaching-who-is-the-ideal-examiner
#11
Peter Melcher, Andreas Roth, Mohamed Ghanem, Daisy Rotzoll
Background Medical curricula require an increasing amount of integrated clinical practical skills education. German medical faculties are increasingly implementing the OSCE (objective structured clinical examination) to test students' practical as well as communication skills. Teaching and assessment tools for practical skills include simulators and simulated patient scenarios, where peer-assisted teaching (PAT) is applied. Trained student tutors support this process. This study examines for the first time the use of PAT student tutors as examiners in an orthopaedic OSCE unit and the existence of possible differences in rating between faculty and PAT student tutors...
May 18, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28511894/incorporating-simulation-into-gynecologic-surgical-training
#12
REVIEW
Kyle Wohlrab, J Eric Jelovsek, Deborah Myers
Today's educational environment has made it more difficult to rely on the Halstedian model of 'see one, do one, teach one' in gynecologic surgical training. There is decreased surgical volume, but an increased number of surgical modalities. Fortunately, surgical simulation has evolved to fill the educational void. Whether it is through skill generalization or skill transfer, surgical simulation has shifted the learning curve from the operating room back to the classroom. This article explores the principles of surgical education and ways to introduce simulation as an adjunct to residency training...
May 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28509328/anatomy-based-dmek-wetlab-in-homburg-saar-novel-aspects-of-donor-preparation-and-host-maneuvers-to-teach-descemet-membrane-endothelial-keratoplasty
#13
B Seitz, L Daas, M Bischoff-Jung, N Szentmáry, S Suffo, M El-Husseiny, A Viestenz, G Milioti
INTRODUCTION: Use of Descemet Membrane Endothelial Keratoplasty (DMEK) has been limited because of problems with donor preparation, i.e. tearing of the Descemet membrane and difficulties in unfolding the Endothelium-Descemet-Membrane-Layer (EDML) in the anterior chamber (AC). The purpose of this work was to describe a novel approach to teaching anatomy-based donor and recipient preparation in a DMEK-Wetlab. MATERIAL AND METHODS: We teach successful mono-manual donor preparation of human corneas in organ culture not suitable for transplantation, including peripheral markers for orientation...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28506475/a-novel-perfused-porcine-simulator-for-teaching-aortic-anastomosis-increases-resident-interest-in-vascular-surgery
#14
Peter B Bartline, Jennie O'Shea, James M McGreevy, Michelle T Mueller
OBJECTIVE: This report describes a novel simulator, euthanized pigs on cardiopulmonary bypass, and validates this simulator with a controlled trial in general surgery residents learning aortic anastomosis. We evaluated this novel simulator with the following hypothesis: our porcine perfused simulator is as good as or better than the standard rubber tubing, low-fidelity models used for vascular anastomotic training. METHODS: Euthanized pigs were placed on cardiopulmonary bypass, creating a perfused, ex vivo model on which to perform surgical procedures...
May 12, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28505519/impact-of-interactive-situated-and-simulated-teaching-program-on-novice-nursing-practitioners-clinical-competence-confidence-and-stress
#15
Sue-Hsien Chen, Shu-Ching Chen, Shu-Chiou Lee, Yi-Ling Chang, Kun-Yun Yeh
BACKGROUND: Novice nursing practitioners (NNPs) often struggle to make the transition to fully competent professionals. We sought to determine the impact of an interactive, situated learning workshop on a participant's clinical competence. OBJECTIVES: This work aimed to improve the clinical competence, promote the self-confidence, and reduce the number of work-related stressors of NNPs. METHODS: We randomly allocated 31 newly graduated NNPs into interactive situated and simulated teaching (ISST) and non-ISST groups, which were perceived as the homogeneity of the 2 groups based upon no significant difference at age, education level and work units...
May 6, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28502388/the-grapefruit-an-alternative-arthroscopic-tool-skill-platform
#16
David A Molho, Stephen M Sylvia, Daniel L Schwartz, Sara L Merwin, I Martin Levy
PURPOSE: To establish the construct validity of an arthroscopic training model that teaches arthroscopic tool skills including triangulation, grasping, precision biting, implant delivery and ambidexterity and uses a whole grapefruit for its training platform. METHODS: For the grapefruit training model (GTM), an arthroscope and arthroscopic instruments were introduced through portals cut in the grapefruit skin of a whole prepared grapefruit. After institutional review board approval, participants performed a set of tasks inside the grapefruit...
May 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28497097/a-randomized-controlled-pilot-study-of-educational-techniques-in-teaching-basic-arthroscopic-skills-in-a-low-income-country
#17
Abhiram R Bhashyam, Catherine Logan, Heather J Roberts, Rameez A Qudsi, Jacky Fils, George S M Dyer
BACKGROUND: Little is known about how to introduce complex technologies like arthroscopy into low-income countries. Thus, we compared low- versus high-resource intensive methods of teaching basic arthroscopic skills in a randomized controlled trial in Haiti. METHODS: Forty-eight Haitian orthopaedic surgeons and residents attending an orthopaedic conference in Haiti were block randomized to receive instruction through a composite video (Control) or a composite video plus hands-on teaching with an expert visiting surgeon (Intervention)...
March 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28496376/changing-trends-in-residents-as-teachers-across-graduate-medical-education
#18
Morhaf Al Achkar, Mathew Hanauer, Elizabeth H Morrison, M Kelly Davies, Robert C Oh
BACKGROUND: Teaching residents how to teach is a critical part of residents' training in graduate medical education (GME). The purpose of this study was to assess the change in resident-as-teacher (RaT) instruction in GME over the past 15 years in the US. METHODS: We used a quantitative and qualitative survey of all program directors (PDs) across specialties. We compared our findings with a previous work from 2000-2001 that studied the same matter. Finally, we qualitatively analyzed PDs' responses regarding the reasons for implementing and not implementing RaT instruction...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28495371/detecting-joint-pausiness-in-parallel-spike-trains
#19
Matthias Gärtner, Sevil Duvarci, Jochen Roeper, Gaby Schneider
BACKGROUND: Transient periods with reduced neuronal discharge - called 'pauses' - have recently gained increasing attention. In dopamine neurons, pauses are considered important teaching signals, encoding negative reward prediction errors. Particularly simultaneous pauses are likely to have increased impact on information processing. COMPARISON WITH EXISTING METHODS: Available methods for detecting joint pausing analyze temporal overlap of pauses across spike trains...
May 8, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28487274/simplification-of-genotyping-techniques-of-the-abo-blood-type-experiment-and-exploration-of-population-genetics
#20
Hu Jian, Zhou Yiren, Ding Jialin, Wang Zhiyuan, Liu Ling, Wang Yekai, Lou Huiling, Qiao Shouyi, Wu Yanhua
The ABO blood type is one of the most common and widely used genetic traits in humans. Three glycosyltransferase-encoding gene alleles, I(A), I(B) and i, produce three red blood cell surface antigens, by which the ABO blood type is classified. By using the ABO blood type experiment as an ideal case for genetics teaching, we can easily introduce to the students several genetic concepts, including multiple alleles, gene interaction, single nucleotide polymorphism (SNP) and gene evolution. Herein we have innovated and integrated our ABO blood type genetics experiments...
May 20, 2017: Yi Chuan, Hereditas
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