scholarly journals A Matter of Perception Investigating the Effect of Virtual Reality on Spatial Understanding

2021 ◽  
pp. 277-287
Author(s):  
Kristina Krinizki ◽  
Marnix S. van Gisbergen ◽  
Shima Rezaei Rashnoodi ◽  
Tim van der Grinten
Keyword(s):  
Virtual Reality ◽  
Spatial Understanding

What's So Special About Spatial?

2021 ◽  
pp. 56-73
Author(s):  
Cigdem Uz Bilgin ◽  
Melat R. Anteneh ◽  
Meredith Thompson
Keyword(s):  
Virtual Reality ◽  
Mental Rotation ◽  
Spatial Ability ◽  
Assessment Tool ◽  
Spatial Abilities ◽  
Spatial Skills ◽  
Comprehensive Review ◽  
Spatial Assessment ◽  
Spatial Understanding ◽  
Excellent Tool

Virtual reality (VR) technology has been steadily used for research purposes over the past few decades and is now gaining attraction in educational settings. Spatial understanding of learners is one of these research topics. Although there are plenty of studies focusing on VR and spatial abilities separately, there has not been a comprehensive review of papers that focus specifically on both VR and spatial ability. To address this question, an electronic search of articles from 2015 to 2019 was conducted that found 923 articles, 26 of which met the criteria of specifically discussing 'spatial abilities' and 'VR environments'. Eleven out of 26 articles reported the reason for using VR as a spatial assessment tool. The most frequently-mentioned spatial ability that was studied was mental rotation ability. This review revealed a special link between spatial ability and VR. VR can be both diagnostic and therapeutic for spatial skills; VR is an excellent tool for examining spatial ability in individuals and also individuals can enhance their spatial abilities through using virtual reality.

Preoperative evaluation of neurovascular relationships for microvascular decompression in the cerebellopontine angle in a virtual reality environment

2010 ◽  
Vol 113 (3) ◽  
pp. 479-485 ◽  
Author(s):  
Zhuo-Ying Du ◽  
Xiang Gao ◽  
Xiao-Luo Zhang ◽  
Zhi-Qiu Wang ◽  
Wei-Jun Tang
Keyword(s):  
Virtual Reality ◽  
Trigeminal Neuralgia ◽  
Hemifacial Spasm ◽  
Microvascular Decompression ◽  
Cerebellopontine Angle ◽  
Surgical Simulation ◽  
Preoperative Evaluation ◽  
Spatial Understanding ◽  
Idiopathic Trigeminal Neuralgia ◽  
And Training

Object In this paper the authors' goal was to evaluate the feasibility and efficacy of a virtual reality (VR) system in preoperative planning for microvascular decompression (MVD) procedures treating idiopathic trigeminal neuralgia and hemifacial spasm. The system's role in surgical simulation and training was also assessed. Methods Between May 2008 and April 2009, the authors used the Dextroscope system to visualize the neurovascular complex and simulate MVD in the cerebellopontine angle in a VR environment in 16 patients (6 patients had trigeminal neuralgia and 10 had hemifacial spasm). Reconstructions were carried out 2–3 days before MVD. Images were printed in a red-blue stereoscopic format for teaching and discussion and were brought into the operating room to be compared with real-time intraoperative findings. Results The VR environment was a powerful aid for spatial understanding of the neurovascular relationship in MVD for operating surgeons and trainees. Through an initial series of comparison/confirmation experiences, the senior neurosurgeon became accustomed to the system. He could predict intraoperative problems and simulate surgical maneuvering, which increased his confidence in performing the procedure. Conclusions The Dextroscope system is an easy and rapid method to create a stereoscopic neurovascular model for MVD that is highly concordant with intraoperative findings. It effectively shortens the learning curve and adds to the surgeon's confidence.

scholarly journals Learning Mathematics in an Immersive Way

2021 ◽  
Author(s):  
Damiano Perri ◽  
Marco Simonetti ◽  
Sergio Tasso ◽  
Osvaldo Gervasi
Keyword(s):  
Virtual Reality ◽  
Augmented Reality ◽  
Learning System ◽  
Two Dimensional ◽  
Spatial Understanding ◽  
Learning Mathematics ◽  
Teaching Of Mathematics ◽  
Level Of Understanding ◽  
Traditional Approaches ◽  
Peripheral Awareness

In this work we introduce a learning system based on Virtual Reality and Augmented Reality for studying analytical-geometric structures that are part of the curriculum in mathematics and physics in high school classes. We believe that an immersive study environment has several advantages with respect to traditional two-dimensional environments (such as a book or the simple screen of a PC or even a tablet), such as the spatial understanding of the concepts exposed, more peripheral awareness and moreover an evident decreasing in the information dispersion phenomenon. This does not mean that our teaching proposal has to substitute the traditional approaches, but it can be seen as a robust tool to support learning. In the first phase of our research we have sought to understand which mathematical objects and which tools could have been used to enhance the teaching of mathematics, in order to demonstrate that the use of Virtual Reality and Augmented Reality techniques significantly improves the level of understanding of the mathematical subject being studied by the students. The system which provides for the integration of two machine levels, hardware and software, was subsequently tested by a representative sample of students who then provided feedback through a questionnaire.

Top-Down Processing and Visual Reorientation Illusions in a Virtual Reality Environment

2004 ◽  
Vol 63 (3) ◽  
pp. 143-149 ◽  
Author(s):  
Fred W. Mast ◽  
Charles M. Oman
Keyword(s):  
Virtual Reality ◽  
Visual Processing ◽  
Line Length ◽  
Perceptual Cues ◽  
Virtual Reality Environment ◽  
Top Down ◽  
Test Conditions ◽  
The Subject ◽  
Processing Mechanisms

The role of top-down processing on the horizontal-vertical line length illusion was examined by means of an ambiguous room with dual visual verticals. In one of the test conditions, the subjects were cued to one of the two verticals and were instructed to cognitively reassign the apparent vertical to the cued orientation. When they have mentally adjusted their perception, two lines in a plus sign configuration appeared and the subjects had to evaluate which line was longer. The results showed that the line length appeared longer when it was aligned with the direction of the vertical currently perceived by the subject. This study provides a demonstration that top-down processing influences lower level visual processing mechanisms. In another test condition, the subjects had all perceptual cues available and the influence was even stronger.

Laparoscopic Cholecystectomy

Swiss Surgery ◽  
2002 ◽  
Vol 8 (6) ◽  
pp. 250-254
Author(s):  
Vogelbach ◽  
Bogdan ◽  
Rosenthal ◽  
Pfefferkorn ◽  
Triponez
Keyword(s):  
Virtual Reality ◽  
Laparoscopic Cholecystectomy ◽  
Neue Technik

Fragestellung: Die dieser Untersuchung zugrunde liegende Frage war, ob das angewandte Ausbildungskonzept geeignet war, um am Beispiel der Einführung der laparoskopischen Cholezystektomie eine neue Operationsmethode in einer universitären Ausbildungsklinik mit einer grossen Anzahl Chirurgen zu etablieren. Patienten und Methodik: Seit Einführung der ersten laparoskopischen Cholezystektomie wurden alle Cholezystektomien während zwei Jahren (Mai 1990 bis Mai 1992) prospektiv erfasst. Ein Ausbildungskonzept wurde gewählt, bei dem jeweils ein Operateur durch einen Tutor geschult wurde und so 15 konsekutive Eingriffe durchführte, um dann die Technik einem weiteren auszubildenden Chirurgen zu instruieren. Resultate: In zwei Jahren wurden 355 Patienten cholezystektomiert. 60% der Operationen wurden laparoskopisch durchgeführt oder begonnen. 40% der Operationen wurden offen durchgeführt. In den ersten zwei Jahren konnten 13 Operateure (durchschnittlich 16 Operationen / Operateur , range 1 - 60) in die neue Technik eingeführt werden. Es traten keine schweren Komplikationen, insbesondere keine Gallenwegsverletzungen in dieser Einführungsphase auf. Diskussion: In der Literatur wird dieses Vorgehen bei der Einführungsphase seit 1992 wiederholt vorgestellt, diskutiert und empfohlen. Zwischenzeitlich gibt es Richtlinien von Fachgesellschaften und nationalen Institutionen, welche die Ausbildung zur Ausführung neuer chirurgischer Techniken reglementieren. In den letzten Jahren verlagern sich die ersten Ausbildungsschritte in Richtung Trainingskurse an skill-stations und virtual reality Trainer. Schlussfolgerung: Das beschriebene Ausbildungskonzept bewährte sich in der Einführungsphase der laparoskopischen Cholezystektomie zu Beginn der 90er-Jahre.

Virtual reality-enabled treatment of nightmares.

Dreaming ◽  
2018 ◽  
Vol 28 (3) ◽  
pp. 205-224 ◽  
Author(s):  
Patrick McNamara ◽  
Kendra Holt Moore ◽  
Yiannis Papelis ◽  
Saikou Diallo ◽  
Wesley J. Wildman
Keyword(s):  
Virtual Reality
Sign in / Sign up

Export Citation Format

Share Document