![]() ![]() The agreement between the annotators was strong ( κ = 0.835). In total, 253 (67.5%) examinations were deemed justified, 75 (20.0%) as unjustified, and 47 (12.5%) as maybe justified. A test set (300/75) was used to compute weighted accuracy, sensitivity, specificity, and the area under the curve (AUC). Logistic regression, random forest, and support vector machines (SVM) were used to predict the justification of referrals. Text preprocessing techniques, including custom stop words (CSW) and spell correction (SC), were applied to the referral text. Referrals were represented as bag-of-words (BOW) and term frequency-inverse document frequency models. Cohen’s kappa was computed to measure inter-rater reliability. Two human experts retrospectively analysed justification of 375 adult brain CT referrals performed in a tertiary referral hospital during the 2019 calendar year, using a cloud-based platform for structured referring. We aimed to retrospectively audit justification of brain CT referrals by applying natural language processing and traditional machine learning (ML) techniques to predict their justification based on the audit outcomes. Manual justification audits of radiology referrals are time-consuming and require financial resources. The Xwave Visualizer app by PLX Devices is free from iTunes and the Apple App Store and can be directly downloaded from your iPhone/iPod Touch/iPad device.With a significant increase in utilisation of computed tomography (CT), inappropriate imaging is a significant concern. This technology is designed for everyone to use and improve their quality of life." I feel better and work more efficiently by training my brain with Xwave Visualizer. ![]() "Xwave visualizer has personally helped me understand and hone my attention and relaxation skills. “The human brain is the most powerful, complex thing in the universe, and for the first time, we’re able to harness its amazing power and connect it to everyday technology,” said Paul Lowchareonkul, founder and CEO of PLX Devices Inc. Objectives include levitating a ball for a certain amount of time, changing a color based on the brain’s relaxation level and training the brain to maximize its attention span. With this application, the user goes through different stages to control the brain’s functions. ![]() In daily 5-10 minute intervals, the XWave™ Visualizer gives you/users an opportunity to train your brain by controlling its attention and meditation levels. But for the rest of us who “feel” like we have ADHD, it provides a chance to acquire control over our overwhelmed, wandering minds. Further applications are in development to help ADHD patients, which will increase the odds of improving the conditions of those with Attention Deficit Hyperactivity Disorder (ADHD). The Xwave visualizer is the consumer first consumer evolution of a product based on the Medical Technology that allows people to control their attention levels. Processes that can be controlled include brainwaves, muscle tone, skin conductance, heart rate and pain perception. The goal is being able to manipulate those functions, which helps to improve focus and the ability to concentrate. This clinical technology is called Bio Feedback, which is the process of becoming aware of various physiological functions using instruments that provide information on the activity of those same functions. For years, this technology has been used by doctors to treat ADHD in patients. XWave™ senses the faintest electrical impulses transmitted through ones skull to the surface of the forehead and converts these analog signals into digital signals. technologies, for the first time brings an extra sensory dynamic never seen before at the consumer level.
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