A critical analysis of the functional parameters of the quiet eye using immersive virtual reality

2020 ◽  
Author(s):  
David Harris ◽  
Mark Wilson ◽  
Samuel James Vine
Keyword(s):  
Virtual Reality ◽  
Immersive Virtual Reality ◽  
Visually Guided ◽  
Planning And Control ◽  
Quiet Eye ◽  
Theoretical Predictions ◽  
Gaze Anchoring ◽  
And Control ◽  
Eye Location

Directing ocular fixations towards a target assists the planning and control of visually-guided actions. In far aiming tasks, the quiet eye, an instance of pre-movement gaze anchoring, has been extensively studied as a key performance variable. However, theories of quiet eye are yet to establish the exact functional role of the location and duration of the fixation. The present work used immersive virtual reality to manipulate key parameters of the quiet eye – location (experiment 1) and duration (experiment 2) – to test competing theoretical predictions about their importance. Across two pre-registered experiments, novice participants (n=127) completed a series of golf putts while their eye movements, putting accuracy, and putting kinematics were recorded. In experiment 1, participants’ pre-movement fixation was cued to locations on the ball, near the ball, and far from the ball. In experiment 2, long and short quiet eye durations were induced using auditory tones as cues to movement phases. Linear mixed effects models indicated that manipulations of location and duration had little effect on performance or movement kinematics. The findings suggest that, for novices, the spatial and temporal parameters of the final fixation may not be critical for movement pre-programming and may instead reflect attentional control or movement inhibition functions.

Immersive Virtual Reality Improves Labor and Delivery Experience for Women: A Randomized Controlled Trial

2021 ◽  
Author(s):  
Elif Gizem Carus ◽  
Nazli Albayrak ◽  
Selen Gur Ozmen ◽  
Halit Mert Bildirici
Keyword(s):  
Virtual Reality ◽  
Patient Satisfaction ◽  
Rating Scale ◽  
Secondary Outcome ◽  
Immersive Virtual Reality ◽  
Labor And Delivery ◽  
Control Groups ◽  
Randomized Controlled ◽  
Pain Scores ◽  
And Control

Abstract Objective: To evaluate the effectiveness of immersive Virtual Reality (VR) in laboring women on patient satisfaction as a distractive tool and pain relief.Methods: Randomized, controlled clinical trial with 42 laboring women allocated to VR intervention and control groups. Among the VR group, patient satisfaction with the use of VR was assessed by a Virtual Reality Satisfaction Survey and questioning whether they would choose VR in future labor. As a primary outcome patient satisfaction scores regarding the overall labor and delivery experience were compared between the two groups. A secondary outcome was pain assessed by a visual pain rating scale in the early and active phases of labor in both groups. Psychometric information was also collected from participants in each group using Beck Anxiety Inventory and Beck Depression Inventory. Results: We observed a high level of patient satisfaction with the use of immersive VR during labor. The survey revealed a mean satisfaction score of 89.6 ± 10.8 out of a maximum of 100. 20 out of 21 (95%) women in the VR group stated that they would like to use VR again in future labor. VR improved pain scores in early labor and contributed positively to overall labor and delivery experience. The mean pain score pre-VR was 2.6±1.2 compared to 2.0±1.3, post-VR, respectively (p<0.01). Anxiety and depression scores were similar in the intervention and control groups (p=0.103, p=0.13, respectively). Conclusion: Immersive VR application during labor was feasible and associated with higher patient satisfaction based on our study. VR also improved pain scores in early labor before epidural placement. Immersive VR may find a place as an adjunct in Labor and Delivery Units to improve the lengthy labor experience for women. Larger studies are needed to confirm these observations. Trial Registration: ClinicalTrials.gov: NCT05032456 / 02/09/2021https://clinicaltrials.gov/ct2/show/NCT05032456

scholarly journals The “embreathment” illusion highlights the role of breathing in corporeal awareness

2020 ◽  
Vol 123 (1) ◽  
pp. 420-427 ◽  
Author(s):  
Alessandro Monti ◽  
Giuseppina Porciello ◽  
Gaetano Tieri ◽  
Salvatore M. Aglioti
Keyword(s):  
Virtual Reality ◽  
Body Ownership ◽  
Immersive Virtual Reality ◽  
Visual Appearance ◽  
Body Location ◽  
Specific Position ◽  
Embodied Agent ◽  
Corporeal Awareness ◽  
Virtual Body

Recent theories posit that physiological signals contribute to corporeal awareness, the basic feeling that one has a body (body ownership) that acts according to one’s will (body agency) and occupies a specific position (body location). Combining physiological recordings with immersive virtual reality, we found that an ecological mapping of real respiratory patterns onto a virtual body illusorily changes corporeal awareness. This new way of inducing a respiratory bodily illusion, called “embreathment,” revealed that breathing is almost as important as visual appearance for inducing body ownership and more important than any other cue for body agency. These effects were moderated by individual levels of interoception, as assessed through a standard heartbeat-counting task and a new “pneumoception” task. By showing that respiratory, visual, and spatial signals exert a specific and weighted influence on the fundamental feeling that one is an embodied agent, we pave the way for a comprehensive hierarchical model of corporeal awareness. NEW & NOTEWORTHY Our body is the only object we sense from the inside; however, it is unclear how much inner physiology contributes to the global sensation of having a body and controlling it. We combine respiration recordings with immersive virtual reality and find that making a virtual body breathe like the real body gives an illusory sense of ownership and agency over the avatar, elucidating the role of a key physiological process like breathing in corporeal awareness.

scholarly journals Resettlement, Populism and the Multiple Dimensions of Solidarity: Lessons from US and Canada

2020 ◽  
Vol 22 (1) ◽  
pp. 114-138
Author(s):  
Davide Strazzari
Keyword(s):  
Civil Society ◽  
State Planning ◽  
National Interests ◽  
International Dimension ◽  
Planning And Control ◽  
Long Run ◽  
Multiple Dimensions ◽  
And Control

Abstract Resettlement is the selection and transfer of refugees from a State in which they have sought protection to a third State which has agreed, voluntarily, to admit them. Since resettlement is subject to State planning and control, it is usually immune from current populist narratives that depicts immigration as contrary to national interests. By looking at the experience of both US and Canada, the paper argues that this is not always the case. Resettlement involves not only an international dimension of solidarity, but also an intra-national one which, in turn, is both vertical and horizontal. The former refers to the role of the subnational units with regard to the selection and the distribution of refugees crossover the country, while the latter relates to the involvement of civil society in some elements of their identification or reception. A lack of coordination among these multiple dimensions of solidarity may result in local resistances that in the long run can influence the enforcement of national resettlement policy.

scholarly journals Attentional Skills in Soccer: Evaluating the Involvement of Attention in Executing a Goalkeeping Task in Virtual Reality

2021 ◽  
Vol 11 (19) ◽  
pp. 9341
Author(s):  
Andria Shimi ◽  
Vanessa Tsestou ◽  
Marios Hadjiaros ◽  
Kleanthis Neokleous ◽  
Marios Avraamides
Keyword(s):  
Virtual Reality ◽  
Executive Control ◽  
Cognitive Abilities ◽  
Cognitive Skills ◽  
Critical Role ◽  
Attention Network Test ◽  
Immersive Virtual Reality ◽  
Attention Network ◽  
Physical Abilities

Physical abilities are essential to goalkeepers in soccer but the involved cognitive abilities for these players have only recently become the focus of extensive research. In this study, we investigated the role of different aspects of attention in a basic goalkeeping task in soccer. One hundred participants assumed the role of a goalkeeper in immersive virtual reality (VR) and carried out a task that entailed blocking balls shot towards their goal. In addition, they carried out two computerized tasks each assessing different attentional abilities: the Attention Network Test provided scores for three well-established networks of attention, namely the alerting, the orienting, and the executive control. The Whack-a-Mole task evaluated inhibitory control, by measuring performance in a classic Go/No-Go task and tapping on response inhibition. A regression analysis revealed that all three attention network scores contributed to performance in the VR goalkeeping task. Furthermore, performance in the Whack-a-Mole task correlated significantly with performance in the VR goalkeeping task. Overall, findings confirm that cognitive skills relating to attention play a critical role in the efficient execution of soccer-specific tasks. These findings have important implications for the training of cognitive skills in sports.

scholarly journals Teaching-Learning Strategies to Production Planning and Control Concepts: Application of Scenarios to Sequencing Production with Virtual Reality Support

2021 ◽  
Vol 20 (8) ◽  
pp. 108-125
Author(s):  
Fernando Elemar Vicente dos Anjos ◽  
Luiz Alberto Oliveira Rocha ◽  
Rodrigo Pacheco ◽  
Débora Oliveira da Silva
Keyword(s):  
Virtual Reality ◽  
Production Planning ◽  
Learning Strategies ◽  
Production Planning And Control ◽  
Production Engineering ◽  
Planning And Control ◽  
Process Manufacturing ◽  
Teaching Learning ◽  
And Control ◽  
The Impact

This paper aims to present scenarios to be applied in higher education to the theme of production planning and control, addressing factors of the production system and indicators arising from this process and the application of virtual reality to support the process. The applied method combines the development of six scenarios for virtual reality application and the discussion about the impacts in indicators from the production planning and control, for example, inventory in the process, manufacturing lead-time, use of equipment, and punctual delivery attendance. Findings revealed that the teaching-learning process of production planning and control, when applied through scenarios, generates opportunities for students to learn the impact in the indicators. The virtual reality in this environment supports creating differentiated teaching-learning environments to generate the most significant knowledge for students which positively impacts the future in the world of work. In addition, it allows people involved in the teaching-learning processes of production engineering to apply the concepts presented in the sequencing process, lean about the impacts of decisions on production sequencing indicators and appreciate the support of virtual reality to generate an environment more cognitive for students.

Quality of Grasping and the Role of Haptics in a 3-D Immersive Virtual Reality Environment in Individuals With Stroke

2015 ◽  
Vol 23 (6) ◽  
pp. 1047-1055 ◽  
Author(s):  
Mindy F. Levin ◽  
Eliane C. Magdalon ◽  
Stella M. Michaelsen ◽  
Antonio A. F. Quevedo
Keyword(s):  
Virtual Reality ◽  
Immersive Virtual Reality ◽  
Virtual Reality Environment

scholarly journals Shimi et al_GKVR1

2021 ◽  
Author(s):  
Andria Shimi ◽  
Vanessa Tsestou ◽  
Marios Hatziaros ◽  
Kleanthis Neokleous ◽  
Marios N Avraamides
Keyword(s):  
Virtual Reality ◽  
Executive Control ◽  
Cognitive Abilities ◽  
Cognitive Skills ◽  
Critical Role ◽  
Attention Network Test ◽  
Immersive Virtual Reality ◽  
Attention Network ◽  
Physical Abilities

Soccer is one of the most popular sports and goalkeepers are central to a team’s winning. Physical abilities are essential to goalkeepers but the involved cognitive abilities for these players are understudied and not well understood. In this study, we investigated the role of different aspects of attention in a goalkeeping task in soccer. Participants assumed the role of a goalkeeper in immersive Virtual Reality and carried out a task that entailed blocking balls shot towards their goal. In addition, they carried out two computerized tasks each assessing different attentional abilities: the Attention Network Test provided scores for three well-established networks of attention, namely the alerting, the orienting, and the executive control. The Whack-a-Mole task evaluated inhibitory control, by measuring performance in a classic Go/No-Go task and tapping on response inhibition. Results revealed that all three attention network scores predicted performance in the VR goalkeeping task. Furthermore, performance in the Whack-a-Mole task correlated significantly with performance in the VR goalkeeping task. Overall, findings confirm that cognitive skills relating to attention play a critical role in the efficient execution of soccer-specific tasks. These findings have important implications for the training of cognitive skills in sports.

scholarly journals The Digital Heart-Lung Unit: Applications of Exponential Technology

2021 ◽  
Author(s):  
Amir H Sadeghi ◽  
Joris F W Ooms ◽  
Nicolas M Van Mieghem ◽  
Edris A F Mahtab ◽  
Ad J J C Bogers
Keyword(s):  
Virtual Reality ◽  
Additive Manufacturing ◽  
Computational Modeling ◽  
Immersive Virtual Reality ◽  
Clinical Workflow ◽  
Clinical Role ◽  
Training And Education ◽  
Number Of Publications ◽  
And Training

Abstract Exponential technologies such as virtual reality (VR), computational modeling, and additive manufacturing have emerged in the field of cardiology and cardiothoracic surgery. An increasing number of publications that evaluate the clinical role of these technologies are becoming available. Moreover, there is an increase in the number of hospitals and departments that have implemented digital and exponential solutions in clinical workflow. In our center, we have adopted various exponential technologies in order to improve clinical pre-procedural workflow, patient care, and training and education. In order to provide our view and approach on the implementation of these technologies, in this article, we provide an overview of the currently applied modalities including immersive virtual reality, 3D computational modeling, VR-based simulations, and additive manufacturing (3D printing). Moreover, we present the potential of these applications in cardiovascular and cardiothoracic medicine, and additionally, we will provide key facilitators, challenges, and recommendations to adopting these technologies in clinical practice.

scholarly journals Peran Kepuasan Wajib pajak Sebagai Pemediasi Atas Pelayanan Fiskus Terhadap Kepatuhan Wajib Pajak

2018 ◽  
Vol 5 (1) ◽  
pp. 24-38
Author(s):  
Samsul Bahri ◽  
Syahril Djaddang ◽  
Tri Widyastuti
Keyword(s):  
Raw Materials ◽  
Infrastructure Development ◽  
Private Companies ◽  
Planning And Control ◽  
Maximum Value ◽  
The Difference ◽  
And Control ◽  
Construction Services ◽  
Project Company

Increasingly rapid economic development resulted in many new companies springing up and creating a tight business competition. To be able to maintain business continuity, companies must be able to make a careful planning and control of the costs. Planning and control can be realized with the budget as a mean of control. Controlling costs by the company are intended to enable companies to minimize costs. At minimal costs the company will be able to achieve the profit target by more optimal as primary destinations in general. In connection to this, the purpose of this study was to determine the costs of the company budget preparation, budget realization costs and revenues, as well as the role of the budget as a mean of control in achieving its profit target. The research was conducted at PT ABC located in Bogor. PT ABC is one of the private companies engaged in construction services focusing on building the types of housing. This kind of development focus includes the construction of a building without infrastructure development. The study of PT ABC shows that the preparation of the company's budget is based on field survey and accompanying informations on the revenue budget and previous projects. In the implementation of the work there was an increase in the actual cost, thus resulting difference in the budget and actual costs. The occurrence of this difference will reduce the company’s profits. Overall budgets have created optimal control of the realization of the costs incurred. Budget serves as guidelines and benchmarks maximum value in any cost incurred by the company. However, in the implementation of the work there are still some shortcomings, resulting cost difference persists. This difference occurs because lack of oversight of the usage of raw materials. Companies must be able to improve control over the using of raw materials to be better coordinated. Increased control is evidenced by the increase in its profit target achievement on the next project. In the subsequent project, company managed to improve the performance of surveillance so that the difference in costs declined and its optimal profit target can be achieved.

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