The Effects of Visual Realism on Spatial Memory and Exploration Patterns in Virtual Reality

2020 ◽  
Author(s):  
Jiawei Huang ◽  
Alexander Klippel
Keyword(s):  
Virtual Reality ◽  
Spatial Memory ◽  
Visual Realism

scholarly journals Maze Terrain Authoring System in Immersive Virtual Reality for New Visual Realism

Symmetry ◽  
2019 ◽  
Vol 11 (4) ◽  
pp. 490
Author(s):  
Jinmo Kim
Keyword(s):  
Image Processing ◽  
Virtual Reality ◽  
Processing Algorithm ◽  
Immersive Virtual Reality ◽  
Authoring System ◽  
Image Processing Algorithm ◽  
Generation Algorithm ◽  
Complex Maze ◽  
System A ◽  
Visual Realism

This paper proposes a maze terrain authoring system with which a user can automatically calculate various and complex maze patterns to compose maze terrains in an easier and more intuitive structure. Using the maze terrain information calculated by using the proposed authoring system, a 3D maze terrain is generated quickly and effectively, and through this, the user’s visual realism in an immersive virtual reality is increased to provide a new presence. The proposed maze terrain authoring system consists of three core functions: a function that automatically generates a grid maze of various sizes and patterns based on a maze generation algorithm; a function that calculates a circular maze in an intuitive structure; and a function that transforms a sketch-based maze by using an image-processing algorithm. Through the authoring system consisting of these functions, various maze terrains from uniform mazes to irregular mazes can be generated effectively. This study produces maze terrains of various concepts directly by using maze information calculated through the authoring system. In addition, through experiments, this study analyzes the efficiency in an immersive virtual reality and the presence through visual realism. In this process, the suitability of the authoring system is also analyzed in combination with a survey.

scholarly journals Neurorehabilitation of Spatial Memory Using Virtual Environments: A Systematic Review

2019 ◽  
Vol 8 (10) ◽  
pp. 1516 ◽  
Author(s):  
Montana ◽  
Tuena ◽  
Serino ◽  
Cipresso ◽  
Riva
Keyword(s):  
Virtual Reality ◽  
Spatial Memory ◽  
Virtual Environments ◽  
Cognitive Deficits ◽  
Brain Plasticity ◽  
Assessment Tools ◽  
Clinical Settings ◽  
Vr Training ◽  
Current Scenario ◽  
Selection Of

In recent years, virtual reality (VR) technologies have become widely used in clinical settings because they offer impressive opportunities for neurorehabilitation of different cognitive deficits. Specifically, virtual environments (VEs) have ideal characteristics for navigational training aimed at rehabilitating spatial memory. A systematic search, following PRISMA guidelines, was carried out to explore the current scenario in neurorehabilitation of spatial memory using virtual reality. The literature on this topic was queried, 5048 papers were screened, and 16 studies were included, covering patients presenting different neuropsychological diseases. Our findings highlight the potential of the navigational task in virtual environments (VEs) for enhancing navigation and orientation abilities in patients with spatial memory disorders. The results are promising and suggest that VR training can facilitate neurorehabilitation, promoting brain plasticity processes. An overview of how VR-based training has been implemented is crucial for using these tools in clinical settings. Hence, in the current manuscript, we have critically debated the structure and the length of training protocols, as well as a different type of exploration through VR devices with different degrees of immersion. Furthermore, we analyzed and highlighted the crucial role played by the selection of the assessment tools.

69. A new virtual reality task shows spatial memory impairments in epilepsy

2010 ◽  
Vol 17 (4) ◽  
pp. 599
Author(s):  
I. León ◽  
L. Roldán-Tapia ◽  
R. Cánovas ◽  
J.M. Cimadevilla ◽  
P. Serrano
Keyword(s):  
Virtual Reality ◽  
Spatial Memory ◽  
Memory Impairments

scholarly journals A Virtual Reality Investigation Of Spontaneous Navigation Strategies And Spatial Memory Performance In Schizophrenia

2021 ◽  
Author(s):  
Leanne K. Wilkins
Keyword(s):  
Virtual Reality ◽  
Spatial Memory ◽  
Cognitive Decline ◽  
Strong Evidence ◽  
Effect Size ◽  
Memory Performance ◽  
Cognitive Map ◽  
Magnitude Effect ◽  
Spatial Strategy ◽  
Navigation Strategies

There is strong evidence that schizophrenia (SCZ) patients perform poorly on spatial memory tasks. We investigated whether these deficits were associated with subdivisions of spatial memory (locale/cognitive map and taxon/response) or whether these deficits represented a general cognitive decline. This study investigated the types of spontaneous navigation strategies used by individuals living with SCZ to solve the 4 on 8 task. It was predicted that SCZ participants who spontaneously chose a spatial strategy would have the longest latencies and make the most errors. Four of five measures of latency and errors produced a medium magnitude effect size (

scholarly journals Allocentric Spatial Memory Performance in a Virtual Reality-Based Task is Conditioned by Visuospatial Working Memory Capacity

2020 ◽  
Vol 10 (8) ◽  
pp. 552
Author(s):  
Joaquín Castillo Escamilla ◽  
José Javier Fernández Castro ◽  
Shishir Baliyan ◽  
Juan José Ortells-Pareja ◽  
Juan José Ortells Rodríguez ◽  
...  
Keyword(s):  
Working Memory ◽  
Virtual Reality ◽  
Spatial Memory ◽  
Medial Temporal Lobe ◽  
Memory Performance ◽  
Working Memory Capacity ◽  
Memory Task ◽  
Memory Capacity ◽  
Spatial Task ◽  
Analysis Of Covariance

Traditionally, the medial temporal lobe has been considered a key brain region for spatial memory. Nevertheless, executive functions, such as working memory, also play an important role in complex behaviors, such as spatial navigation. Thus, the main goal of this study is to clarify the relationship between working memory capacity and spatial memory performance. Spatial memory was assessed using a virtual reality-based procedure, the Boxes Room task, and the visual working memory with the computer-based Change Localization Task. One hundred and twenty-three (n = 123) participants took part in this study. Analysis of Covariance (ANCOVA) revealed a statistically significant relationship between working memory capacity and spatial abilities. Thereafter, two subgroups n = 60, were formed according to their performance in the working memory task (1st and 4th quartiles, n = 30 each). Results demonstrate that participants with high working memory capacity committed fewer mistakes in the spatial task compared to the low working memory capacity group. Both groups improved their performance through repeated trials of the spatial task, thus showing that they could learn spatial layouts independent of their working memory capacity. In conclusion, these findings support that spatial memory performance is directly related to working memory skills. This could be relevant for spatial memory assessment in brain lesioned patients.

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