Clinical trials: Visualization
Healthy Subjects
The Link Between Mental Imagery and the Reduction of Fear in Imaginal Extinction
Imaginal exposure is a widely used psychological treatment technique. Imaginal extinction is an experimental analogue of imaginal exposure, that allows the study of this treatment technique under controlled circumstances (Agren…
- Trial name
- NCT03989518
- Testing
- Fear acquisition, Imaginal extinction, Reinstatement
- Where
- Sweden
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Diagnositic Efficacy of Deep Convolutional Neural Network in Differentiation of Glaucoma Visual Field From Non-glaucoma Visual Field
Diagnostic Efficacy of CNN in Differentiation of Visual Field
Glaucoma is currently the leading cause of irreversible blindness in the world. The multi-center study is designed to evaluate the efficacy of the convolutional neural network based algorithm in differentiation of glaucomatous…
- Trial name
- NCT03759483
- Testing
- AI diagnostic algorithm
- Where
- China
- Volunteers
- 437 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Chronic Rhinosinusitis With Polyposis, Chronic Hyperplastic Sinusitis
Intravenous Tranexamic Acid and Intraoperative Visualization During Functional Endoscopic Sinus Surgery
Functional endoscopic sinus surgery (FESS) is an effective treatment of sinus disease. FESS is carried out using cameras to view the surgical field. Bleeding during the surgery can lead to poor surgical field visualization.
- Trial name
- NCT01111669
- Testing
- Tranexamic Acid
- Where
- Canada
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Healthy
Imagery Vividness and Arousal Responses to Prospective Imagery
Research has shown that mental imagery appears to carry emotion better than verbal communication. One way this can be noted is that emotional mental imagery trigger physiological arousal responses.
- Trial name
- NCT04370613
- Testing
- Prospective Imagery visualization task
- Where
- Sweden
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Brain and Central Nervous System Tumors
Tumor Tissue, Blood Samples, and Family History in Predicting Tumor Development and Response to Treatment in Young Patients With Low-Grade Glioma
RATIONALE: Studying samples of tumor tissue and blood in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.
- Trial name
- NCT00891722
- Testing
- biologic sample preservation procedure, laboratory biomarker analysis, questionnaire administration
- Where
- United Kingdom
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Children's Cancer and Leukaemia Group
Procedural Anxiety, Procedural Pain
Artificial Intelligence-Supported Visual Guide for Preschool Children Undergoing Medical Procedures
Children frequently experience anxiety, pain, and negative behavioral changes during common medical procedures such as venous blood sampling, vaccination, injection, and peripheral intravenous catheter insertion.
- Conditions
- Procedural Anxiety, Procedural Pain, Behavioral Changes
- Trial name
- AIVIP (NCT07704112)
- Testing
- AI-Supported Visual Guide
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Istanbul Bilgi University
Vision Impairment, Blindness
Assessment of the Validity, Reliability, and Feasibility of Two Smartphone Applications for Testing the Visual Acuity
Visual acuity (VA) is the most common measure of visual function globally. In clinical settings and during screening events, VA is an important measure to quantify changes in vision over time.
- Trial name
- NCT04936100
- Testing
- Assessment of distance and near visual acuity using "Vision Screening module" of "Easy Vision" application, Assessment of distance and near visual acuity using "Test Yourself module" of "Easy Vision" application, Assessment of distance and near visual acuity using "Peek Acuity" application
- Where
- Iran
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Visual Performance
Evaluating the Impact of JJVC Senofilcon A - Based Contact Lens With New UV-blocker on Day and Night Driving Performance
This is a bilateral, non-dispensing, randomized, subject masked, four visits, 3-period by 3- treatment crossover study. The objective of this study is to evaluate the effect of JJVC senofilcon A - based contact lens with new…
- Trial name
- NCT03330275
- Testing
- Investigational Contact Lens, Commercial ACUVUE OASYS, Commercial ACUVUE OASYS and Spectacles
- Where
- Australia
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Healthy Volunteers
THE INFLUENCE OF GRAVITY
Although most ground studies showed that an egocentric reference frame better supports spatial orientation, it is not proven it will be the same during weightlessness.
- Trial name
- ARGuide (NCT03298139)
- Testing
- 3 levels of gravity (1G, 1.8G, 0G).
- Where
- France
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Motor Imagery
Telerehabilitation-based Motor Imagery in Nonspecific Low Back Pain
Low back pain is a common problem in society and causes loss of workforce. Its lifetime prevalence reaches 80% and annual hospital admission rates in the adult population reach 15%.Most studies on motor imagery suggested the…
- Trial name
- NCT05049772
- Testing
- Telerehabilitation-based motor imagery training, Stabilization exercises group
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University
Gallstone
Effectiveness of Guided Imagery Meditation in Patients With Laparoscopic Gallstone Surgery
Guided image meditation has been shown to alter the functional circuits of the brain to alleviate pain by mediating breathing and thoughts.
- Trial name
- NCT04390828
- Testing
- Guided Imagery Meditation
- Where
- 2 sites in Taiwan
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- National Yang Ming Chiao Tung University Hospital
Hypotension,Controlled
Correlation Analysis of the Effects of Management Pressure Goals and Control Volume Goals in Patients in Spinal Surgery
The investigators study 160 patients undergoing spinal surgery.Participants will be randomly divided into study group and control group.The study group will receive controlled hypotension by nitroglycerin and be divided into 3…
- Trial name
- NCT03917004
- Testing
- Nitroglycerin
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Liang Bing
Healthy
How Virtual Reality is Impacting Balance: An Examination of Postural Stability
There are several studies examining the effects of different sensory stimuli on balance in healthy young people. Our study will especially explain how the same environment will affect postural control, when projected into VR…
- Trial name
- NCT06139900
- Testing
- Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Social Anxiety
Imagery Rescripting and Imaginal Exposure for Social Anxiety: Mechanisms and Outcomes in an Analog Sample
This study will recruit 100 participants who self-report high symptoms of social anxiety (Social phobia inventory >30). Participants will be randomly assigned to receive either one analog intervention of Imagery Rescripting (IR)…
- Trial name
- NCT04635904
- Testing
- Imaginal exposure one-session, Imagery rescriptinf one-session
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hebrew University of Jerusalem
Parkinson Disease
Interactive POWER Rehabilitation System on Rehabilitation Training for Patients With Parkinson's Disease
In the previous studies, progressive resistance training (PRT) has significantly improved the muscle strength and disease severity of Parkinson's disease.
- Trial name
- NCT05046236
- Testing
- Interactive POWER rehabilitation, Conventical physical training
- Where
- 2 sites in Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Healthy Volunteer
Neural Correlates of Intern Speech
The goal is to define what is the nature of intern speech, how it manifests itself, who deal with agency in intern speech and finally what is the role of intern speech in attention tasks.
- Trial name
- INNERSPEECH (NCT02830100)
- Testing
- Healthy volunteers, MRI
- Where
- France
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Blindness
Sensory Substitution and Brain Plasticity Following Vision Loss
The goal of this clinical investigation is to learn how the brain responds when visual information is converted into patterns of sound or touch in blind and sighted participants.
- Trial name
- SenSubMRI (NCT07450677)
- Testing
- Electrotactile display (BrainPort), Vision-to-sound converter (AI Sight)
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Stanford University
Visual Acuity
Clinical Evaluation of Etafilcon A Contact Lenses Using a Novel Manufacturing Technology
This study is a multi-site, randomized, double-masked, 2×2 crossover design, 1-week dispensing study. Subjects will wear both Test and Control lenses in each eye in a random order for 1-week each as a daily disposable modality…
- Trial name
- NCT03962790
- Testing
- 1-DAY ACUVUE® MOIST
- Where
- 6 sites in United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Social Anxiety, Social Phobia
The Efficacy of Prospective Mental Imagery in Enhancing Approach Motivation Among Socially Anxious Individuals
The efficacy of an online intervention aimed at enhancing approach motivation and behavioral engagement in confronting anxiety-inducing social situations is examined among individuals with elevated social anxiety.
- Trial name
- NCT06977087
- Testing
- Psychoeducation, Prospective Mental Imagery, Verbal Reasoning
- Where
- Germany
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Philipps University Marburg
Feasibility Study
Visual Arts Interventions With Older Adults
The present study investigates the feasibility, acceptability, and preliminary effects of a novel visual arts-based intervention in an older adult population.
- Trial name
- NCT06645652
- Testing
- Training in observational drawing, Arts engagement through digital galleries
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Northeastern University