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A comparison of virtual reality and verbal imaginal exposure for childhood anxiety disorders.
J Anxiety Disord
January 2025
Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA.
Virtual reality is a promising tool for improving efficacy of exposure therapy for childhood anxiety disorders (CADs), particularly for exposures that are challenging to orchestrate in vivo. The present study compared virtual reality exposure (VRE) to verbal imaginal exposure (IE) on anxiety elicited, homework completion, and preparation for subsequent exposures. Forty-five youth with CADs completed both types of exposure in session (order randomly assigned), practiced one form of exposure as homework (randomly assigned), and returned a week later to repeat both exposures (in randomized order), provide user feedback, and complete a related in vivo exposure.
View Article and Find Full Text PDFMotion Hologram: Jointly optimized hologram generation and motion planning for photorealistic 3D displays via reinforcement learning.
Sci Adv
January 2025
State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China.
Holography is capable of rendering three-dimensional scenes with full-depth control and delivering transformative experiences across numerous domains, including virtual and augmented reality, education, and communication. However, traditional holography presents 3D scenes with unnatural defocus and severe speckles due to the limited space bandwidth product of the spatial light modulator (SLM). Here, we introduce Motion Hologram, a holographic technique that accurately portrays photorealistic and speckle-free 3D scenes.
View Article and Find Full Text PDFThe study investigates the effectiveness of immersive virtual reality (VR) as a nonpharmaceutical approach to manage postoperative pain in patients following thoracoscopic surgery. In this single-center, triple-arm pilot randomized controlled trial (RCT), 61 postsurgical patients with a postoperative pain numerical rating scale (NRS) score ≥4 after receiving standard analgesia were included and assigned to either a quantum clinics-VR (QTC-VR) group, a Placebo-VR group, or a control group. The QTC-VR group engaged in a daily 10-minute interactive pain relief 3D-VR program, while the Placebo-VR group watched a daily 10-minute relaxation-based 2D film through VR headsets for three days following surgery.
View Article and Find Full Text PDFHolographic displays have the potential to reconstruct natural light field information, making them highly promising for applications in augmented reality (AR), head-up displays (HUD), and new types of transparent three-dimensional (3D) displays. However, current spatial light modulators (SLMs) are constrained by pixel size and resolution, limiting display size. Additionally, existing holographic displays have narrow viewing angles due to device diffraction limits, algorithms, and optical configurations.
View Article and Find Full Text PDFNeuroimaging features for cognitive fatigue and its recovery with VR intervention: An EEG microstates analysis.
Brain Res Bull
January 2025
Department of Radiology, Functional and Molecular Imaging Key Lab of Shaanxi Province, The Second Affiliated Hospital of Air Force Medical University, No.569 Xinsi Road, Xi'an, 710038, Shaanxi, China. Electronic address:
Introduction: Cognitive fatigue is mainly caused by enduring mental stress or monotonous work, impairing cognitive and physical performance. Natural scene exposure is a promising intervention for relieving cognitive fatigue, but the efficacy of virtual reality (VR) simulated natural scene exposure is unclear. We aimed to investigate the effect of VR natural scene on cognitive fatigue and further explored its underlying neurophysiological alterations with electroencephalogram (EEG) microstates analysis.
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