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https://www.readbyqxmd.com/read/28436090/using-augmented-reality-to-teach-and-learn-biochemistry
#1
Juan Carlos Vega Garzón, Marcio Luiz Magrini, Eduardo Galembeck
Understanding metabolism and metabolic pathways constitutes one of the central aims for students of biological sciences. Learning metabolic pathways should be focused on the understanding of general concepts and core principles. New technologies such Augmented Reality (AR) have shown potential to improve assimilation of biochemistry abstract concepts because students can manipulate 3D molecules in real time. Here we describe an application named Augmented Reality Metabolic Pathways (ARMET), which allowed students to visualize the 3D molecular structure of substrates and products, thus perceiving changes in each molecule...
April 23, 2017: Biochemistry and Molecular Biology Education
https://www.readbyqxmd.com/read/28434425/augmented-reality-in-neurosurgery-a-review-of-current-concepts-and-emerging-applications
#2
Daipayan Guha, Naif M Alotaibi, Nhu Nguyen, Shaurya Gupta, Christopher McFaul, Victor X D Yang
Augmented reality (AR) superimposes computer-generated virtual objects onto the user's view of the real world. Among medical disciplines, neurosurgery has long been at the forefront of image-guided surgery, and it continues to push the frontiers of AR technology in the operating room. In this systematic review, we explore the history of AR in neurosurgery and examine the literature on current neurosurgical applications of AR. Significant challenges to surgical AR exist, including compounded sources of registration error, impaired depth perception, visual and tactile temporal asynchrony, and operator inattentional blindness...
April 24, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28420598/1-5-t-augmented-reality-navigated-interventional-mri-paravertebral-sympathetic-plexus-injections
#3
David R Marker, Paweena U Thainual, Tamas Ungi, Aaron J Flammang, Gabor Fichtinger, Iulian I Iordachita, John A Carrino, Jan Fritz
PURPOSE: The high contrast resolution and absent ionizing radiation of interventional magnetic resonance imaging (MRI) can be advantageous for paravertebral sympathetic nerve plexus injections. We assessed the feasibility and technical performance of MRI-guided paravertebral sympathetic injections utilizing augmented reality navigation and 1.5 T MRI scanner. METHODS: A total of 23 bilateral injections of the thoracic (8/23, 35%), lumbar (8/23, 35%) and hypogastric (7/23, 30%) paravertebral sympathetic plexus were prospectively planned in twelve human cadavers using a 1...
April 18, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28419750/the-effectiveness-of-virtual-and-augmented-reality-in-health-sciences-and-medical-anatomy
#4
Christian Moro, Zane Štromberga, Athanasios Raikos, Allan Stirling
Although cadavers constitute the gold standard for teaching anatomy to medical and health science students, there are substantial financial, ethical, and supervisory constraints on their use. In addition, although anatomy remains one of the fundamental areas of medical education, universities have decreased the hours allocated to teaching gross anatomy in favor of applied clinical work. The release of virtual (VR) and augmented reality (AR) devices allows learning to occur through hands-on immersive experiences...
April 17, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28414007/pok%C3%A3-mon-go-digital-health-interventions-to-reduce-cardiovascular-risk
#5
Chayakrit Krittanawong, Mehmet Aydar, Takeshi Kitai
Physical activity is associated with a lower risk of coronary heart disease/cardiovascular disease mortality, and current guidelines recommend physical activity for primary prevention in healthy individuals and secondary prevention in patients with coronary heart disease/cardiovascular disease. Over the last decade, playing classic video games has become one of the most popular leisure activities in the world, but is associated with a sedentary lifestyle. In the new era of rapidly evolving augmented reality technology, Pokémon Go, a well-known augmented reality game, may promote physical activity and prevent cardiovascular disease risks - that is, diabetes, obesity, and hypertension...
April 17, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28401399/intelligent-viewpoint-selection-for-efficient-ct-to-video-registration-in-laparoscopic-liver-surgery
#6
Maria R Robu, Philip Edwards, João Ramalhinho, Stephen Thompson, Brian Davidson, David Hawkes, Danail Stoyanov, Matthew J Clarkson
PURPOSE: Minimally invasive surgery offers advantages over open surgery due to a shorter recovery time, less pain and trauma for the patient. However, inherent challenges such as lack of tactile feedback and difficulty in controlling bleeding lower the percentage of suitable cases. Augmented reality can show a better visualisation of sub-surface structures and tumour locations by fusing pre-operative CT data with real-time laparoscopic video. Such augmented reality visualisation requires a fast and robust video to CT registration that minimises interruption to the surgical procedure...
April 11, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28392819/computer-based-technologies-in-dentistry-types-and-applications
#7
REVIEW
Raja'a M Albuha Al-Mussawi, Farzaneh Farid
During dental education, dental students learn how to examine patients, make diagnosis, plan treatment and perform dental procedures perfectly and efficiently. However, progresses in computer-based technologies including virtual reality (VR) simulators, augmented reality (AR) and computer aided design/computer aided manufacturing (CAD/CAM) systems have resulted in new modalities for instruction and practice of dentistry. Virtual reality dental simulators enable repeated, objective and assessable practice in various controlled situations...
June 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28392037/next-generation-surgical-navigation-systems-in-sinus-and-skull-base-surgery
#8
REVIEW
Martin J Citardi, William Yao, Amber Luong
Over the past 25 years, rhinologists have adopted surgical navigation technology for endoscopic sinus and skull base procedures. Navigation systems often produce a wide target registration error (TRE). Ideally, next-generation systems will include a leap in target registration error reduce TRE through innovative hardware and software. Incorporation of microsensors will be another important innovation. Future systems are likely to include augmented reality, which can project overlays of critical anatomy on real-world endoscopic images...
April 6, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28391207/evaluation-of-wearable-haptic-systems-for-the-fingers-in-augmented-reality-applications
#9
Maurizio Maisto, Claudio Pacchierotti, Francesco Chinello, Gionata Salvietti, Alessandro De Luca, Domenico Prattichizzo
Although Augmented Reality (AR) has been around for almost five decades, only recently we have witnessed AR systems and applications entering in our everyday life. Representative examples of this technological revolution are the smartphone games "Pok´emon GO" and "Ingress" or the Google Translate real-time sign interpretation app. Even if AR applications are already quite compelling and widespread, users are still not able to physically interact with the computer-generated reality. In this respect, wearable haptics can provide the compelling illusion of touching the superimposed virtual objects without constraining the motion or the workspace of the user...
April 5, 2017: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28389876/augmented-reality-in-intraventricular-neuroendoscopy
#10
T Finger, A Schaumann, M Schulz, Ulrich-W Thomale
BACKGROUND: Individual planning of the entry point and the use of navigation has become more relevant in intraventricular neuroendoscopy. Navigated neuroendoscopic solutions are continuously improving. OBJECTIVE: We describe experimentally measured accuracy and our first experience with augmented reality-enhanced navigated neuroendoscopy for intraventricular pathologies. PATIENTS AND METHODS: Augmented reality-enhanced navigated endoscopy was tested for accuracy in an experimental setting...
April 7, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28389019/evolution-in-visualization-for-sinus-and-skull-base-surgery-from-headlight-to-endoscope
#11
REVIEW
Omar H Ahmed, Sonya Marcus, Richard A Lebowitz, Joseph B Jacobs
Rhinoscopy became a formal field of study in the mid-nineteenth century as improvements in nasal specula were made and the potent vasoconstrictive effects of cocaine on the intranasal tissues were discovered. Since then, a multitude of advances in visualization and illumination have been made. The advent of the Storz-Hopkins endoscope in the mid-twentieth century represents a culmination of efforts spanning nearly 2 centuries, and illumination has evolved concomitantly. The future of endoscopic sinus surgery may integrate developing technologies, such as 3-dimensional endoscopy, augmented reality navigation systems, and robotic endoscope holders...
April 4, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28387695/the-quest-to-apply-vr-technology-to-rehabilitation-tribulations-and-treasures
#12
Emily A Keshner, Joyce Fung
The papers that follow stem from a symposium presented at the International Society for Posture and Gait Research (ISPGR) in Seville, Spain, in July 2015. Four speakers were charged with presenting their methods of applying virtual reality (VR) technology to obtain meaningful rehabilitation outcomes. The symposium aims to explore characteristics of VR that modify mechanisms supporting motor relearning. Common impairments in posture and gait that can be modulated within virtual environments by employing motor learning concepts, including sensory augmentation and repetition, were examined...
2017: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/28385568/comparison-between-isotropic-linear-elastic-law-and-isotropic-hyperelastic-law-in-the-finite-element-modeling-of-the-brachial-plexus
#13
A Perruisseau-Carrier, N Bahlouli, G Bierry, P Vernet, S Facca, P Liverneaux
Augmented reality could help the identification of nerve structures in brachial plexus surgery. The goal of this study was to determine which law of mechanical behavior was more adapted by comparing the results of Hooke's isotropic linear elastic law to those of Ogden's isotropic hyperelastic law, applied to a biomechanical model of the brachial plexus. A model of finite elements was created using the ABAQUS(®) from a 3D model of the brachial plexus acquired by segmentation and meshing of MRI images at 0°, 45° and 135° of shoulder abduction of a healthy subject...
April 3, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28381393/who-is-still-playing-pok%C3%A3-mon-go-a-web-based-survey
#14
Peter Rasche, Anna Schlomann, Alexander Mertens
BACKGROUND: Poor physical activity is one of the major health care problems in Western civilizations. Various digital gadgets aiming to increase physical activity, such as activity trackers or fitness apps, have been introduced over recent years. The newest products are serious games that incorporate real-life physical activity into their game concept. Recent studies have shown that such games increase the physical activity of their users over the short term. OBJECTIVE: In this study, we investigated the motivational effects of the digital game "Pokémon Go" leading to continued use or abandonment of the game...
April 5, 2017: JMIR Serious Games
https://www.readbyqxmd.com/read/28372285/numerical-simulation-and-identification-of-macroscopic-vascularised-liver-behaviour-case-of-indentation-tests
#15
Michaël Kugler, Alexandre Hostettler, Luc Soler, Domenico Borzacchiello, Francisco Chinesta, Daniel George, Yves Rémond
Mini-invasive surgery restricts the surgeon information to two-dimensional digital representation without the corresponding physical information obtained in previous open surgery. To overcome these drawbacks, real time augmented reality interfaces including the true mechanical behaviour of organs depending on their internal microstructure need to be developed. For the case of tumour resection, we present here a finite element numerical study of the liver mechanical behaviour including the effects of its own vascularisation through numerical indentation tests in order extract the corresponding macroscopic behaviour...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28370970/implementation-of-augmented-reality-in-operative-dentistry-learning
#16
C Llena, S Folguera, L Forner, F J Rodríguez-Lozano
OBJECTIVE: To evaluate the efficacy of augmented reality (AR) in the gaining of knowledge and skills amongst dental students in the design of cavity preparations and analyse their degree of satisfaction. MATERIAL AND METHODS: AR cavity models were prepared for use with computers and mobile devices. Forty-one students were divided into two groups (traditional teaching methods vs AR). Questionnaires were designed to evaluate knowledge and skills, with the administration of a satisfaction questionnaire for those using AR...
March 31, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/28361323/slide-automatic-spine-level-identification-system-using-a-deep-convolutional-neural-network
#17
Jorden Hetherington, Victoria Lessoway, Vit Gunka, Purang Abolmaesumi, Robert Rohling
PURPOSE: Percutaneous spinal needle insertion procedures often require proper identification of the vertebral level to effectively and safely deliver analgesic agents. The current clinical method involves "blind" identification of the vertebral level through manual palpation of the spine, which has only 30% reported accuracy. Therefore, there is a need for better anatomical identification prior to needle insertion. METHODS: A real-time system was developed to identify the vertebral level from a sequence of ultrasound images, following a clinical imaging protocol...
March 30, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28360539/alternative-remedies-for-insomnia-a-proposed-method-for-personalized-therapeutic-trials
#18
Kate Romero, Balaji Goparaju, Kathryn Russo, M Brandon Westover, Matt T Bianchi
Insomnia is a common symptom, with chronic insomnia being diagnosed in 5-10% of adults. Although many insomnia patients use prescription therapy for insomnia, the health benefits remain uncertain and adverse risks remain a concern. While similar effectiveness and risk concerns exist for herbal remedies, many individuals turn to such alternatives to prescriptions for insomnia. Like prescription hypnotics, herbal remedies that have undergone clinical testing often show subjective sleep improvements that exceed objective measures, which may relate to interindividual heterogeneity and/or placebo effects...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28359010/a-systematic-review-and-meta-analysis-of-treatments-for-acrophobia
#19
REVIEW
Bruce Arroll, Henry B Wallace, Vicki Mount, Stephen P Humm, Douglas W Kingsford
OBJECTIVE: To review the literature on the comparative efficacy of psychological, behavioural and medical therapies for acrophobia (fear of heights). DATA SOURCES: Multiple databases were searched through the Cochrane Common Mental Disorders review group on 1 December 2015. DATA SYNTHESIS: The data were extracted independently and were pooled using RevMan version 5.3.5. The main outcome measures were changes from baseline on questionnaires for measurement of fear of heights, such as the Acrophobia Questionnaire (AQ), Attitude Towards Height Questionnaire (ATHQ), and behavioural avoidance tests...
April 3, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28355147/glimpse-google-glass-interface-for-sensory-feedback-in-myoelectric-hand-prostheses
#20
Marko Markovic, Hemanth Karnal, Bernhard Graimann, Dario Farina, Strahinja Dosen
OBJECTIVE: Providing sensory feedback to the user of the prosthesis is an important challenge. The common approach is to use tactile stimulation, which is easy to implement but requires training and has limited information bandwidth. In this study, we propose an alternative approach based on augmented reality. APPROACH: We have developed the GLIMPSE, a Google Glass application which connects to the prosthesis via a Bluetooth interface and renders the prosthesis states (EMG signals, aperture, force and contact) using augmented reality (see-through display) and sound (bone conduction transducer)...
March 29, 2017: Journal of Neural Engineering
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