Articles tagged with Smartphones
A new smartphone application, DryEyeRhythm, uses cameras to measure blink characteristics and administer questionnaires for diagnosing dry eye disease. The app has been validated in a study, showing high reliability and validity in assessing DED, with promising implications for early diagnosis and treatment.
Researchers found that smartphones and social media can exacerbate feelings of attachment and anomie, rather than providing purpose and meaning. Identifying a satisfying purpose in life can provide a protective effect against these negative effects.
Researchers reviewed mobile sensing designs, outcomes, and limitations to better understand its capacity for remote detection, longitudinal tracking, and exposure tracing. Despite technical and societal challenges, advances in data analytics and machine learning may improve data quality and scalability.
Researchers from Trinity College Dublin created synthetic rocks to study rare earth element formation. The study reveals that fluids containing REEs replace common limestone via complex reactions, shedding light on the mechanisms of rock formation and industrial separation processes.
Researchers have developed an algorithm that uses smartphone camera and flash to detect low blood oxygen levels. The method produced accurate results in 80% of the participants, showing promise for remote monitoring and early detection of conditions like COVID-19.
A rat study found that excessive blue light exposure is associated with earlier puberty onset, reduced melatonin levels, and increased reproductive hormones. This suggests a potential risk for childhood development and future fertility.
A study by University of Pittsburgh researchers found that older adults with consistent daily routines are happier, less depressed, and have better cognitive function. Participants who rose early, stayed active throughout the day, and followed a regular routine performed better on cognitive tests than those with disrupted patterns.
Researchers at the University of Washington developed AquaApp, a mobile app that enables underwater messaging on billions of existing smartphones and smartwatches using software. The app uses acoustic signals to transmit messages and can accommodate up to 60 unique users on its local network.
Researchers developed a silicon photodiode array for in-sensor processing, allowing for real-time image filtering and extraction of relevant visual information. The technology has potential applications in machine vision, bio-inspired systems, and intelligent imaging devices.
Researchers have developed highly sensitive and mass producible organic photodetectors that can detect weak signals. The new photodetectors exhibited a detectivity comparable to those of conventional silicon photodiodes, operating stably under temperatures above 150 °C.
A new study from the University of Florida finds that smartphones encourage consumers to prefer customized options, leading to increased self-expression and altered behaviors. The researchers suggest that companies should adapt their offerings based on device usage to tap into this trend.
Researchers developed a novel biologically-inspired intraoral camera with a wide-angle insect eye structure, increasing field of view and resolving optical aberrations. The device provides multifunctional dental imaging, including high dynamic range, 3D depth, and autofluorescence, without discomfort or image blur.
A machine learning model developed by Canadian and Slovenian researchers accurately predicted fall risk in lower limb amputees, achieving up to 80% accuracy. This breakthrough has significant implications for the development of smartphone-based fall detection systems.
A new study published in the Journal of the American Heart Association suggests that smartphone video motion analysis can accurately detect narrowed neck arteries, which are a significant risk factor for stroke. The algorithm achieved an impressive 87% accuracy rate in detecting stenosis in participants with carotid artery disease.
A team of researchers has created an online dashboard to track equity requirements in 239 shared micromobility programs across the US. The dashboard provides city officials with valuable insights on best practices for expanding access to these programs, including technology access, reduced fare options, and adaptive vehicles.
A new study published in Journal of Experimental Psychology: General found that using digital devices as external memory can improve memory skills. Participants who used digital devices to store information showed improved memory for both saved and unsaved information, with a notable increase in recall of less important details.
Researchers have developed a smartphone clip-on instrument that can rapidly detect Zika virus in whole blood using spatial RT-LAMP technology. The device is sensitive, accurate, and easy to use, making it ideal for point-of-care clinics and controlling the spread of infectious diseases.
The ClearBuds earbuds use a novel microphone system and real-time machine-learning to enhance the speaker's voice and reduce background noise. They achieved better performance than Apple AirPods Pro in signal-to-distortion ratio tests.
A recent analysis found that Big Tech companies can provide innovative financial services to people excluded from traditional banking, improving financial inclusion. However, the authors caution that without proper education, these services may introduce risks to financial stability.
Researchers at Penn State discovered that people with high 'Fear-of-Missing-Out' and 'Need-to-Belong' personality traits check their phones significantly more often when in silent mode, staying on the phone longer as well. This suggests a one-size-fits-all approach to managing smartphone distractions may be misguided.
The BirdNET app uses AI to automatically identify bird species by sound, allowing users to contribute data without expertise. Since its launch in 2018, over 2.2 million people have contributed data, successfully replicating known patterns of song dialects and mapping bird migration across continents.
A joint UC Riverside and UC Irvine study found that people who show near transfer in brain training are more likely to experience far transfer, meaning improved focus and problem-solving skills. The research suggests that working memory training can be effective for certain individuals, but its impact on fluid intelligence remains deba...
Researchers from the University of Bath and Lancaster found that popular scales measuring technology use are related and poorly defined, failing to confirm 'addictive' behaviors. This calls into question current measures of digital technology use and its links to mental health and wellbeing.
Researchers at UC San Diego demonstrated that Bluetooth signals can be used to track individuals' movements with high accuracy. The team developed an algorithm that estimates two values found in Bluetooth signals, providing a unique fingerprint for each device.
Researchers developed a bumpy carbon-based material that maintains rechargeable storage capacity down to -31 F, improving lithium-ion batteries' performance in freezing temperatures. The new material enables electric cars to drive longer and reduces the risk of battery failure in extreme cold.
Researchers at Purdue University have developed edible fluorescent silk tags with QR codes to verify whiskey authenticity, which can be activated with a smartphone scan. The technology has the potential to combat fake medications and address counterfeiting issues worldwide.
A team of researchers at The University of Texas at Austin has developed components that will allow future devices to achieve increased speeds necessary for 6G. The new radio frequency switches are made of two-dimensional materials, taking significantly less energy to operate, and can provide low-energy, high-speed functions.
A study by UC San Diego Health found that sending patients a text message when their doctor is ready can reduce wait times and improve patient satisfaction. The 'telemedicine untethered' option showed a 55-minute time savings in clinic operations, with zero late appointments and increased flexibility for both patients and providers.
A new smartphone app using AI technology has been found to be as accurate as expert gastroenterologists in characterizing stool specimens. The app's ability to provide detailed descriptions of constipation, diarrhea, and normal stools surpasses that of patient reports.
A new app called HOPE, developed at UVA Health, aims to provide vital support to patients battling opioid-use disorder. The app offers a secure way to connect with care providers and an anonymous message board for sharing experiences and building healing relationships.
McGill University researchers found that participants who implemented a nudge-based intervention reduced their screen time by about an hour per day, leading to better sleep quality. The intervention also helped individuals report feeling less addicted to their phones.
A team of scientists has developed a method to extract precious metals like gold and platinum-group metals from electronic waste using the Picasso pigment, Prussian blue. This technique shows promise in improving the recycling of valuable metals from nuclear and electronic wastes.
A new study by Dr. Marin Marinov at Aston University proposes three solutions to make train commuting less stressful: purchasing tickets on smartphones, removing ticket gates and installing sensors, and implementing one-way flow systems in station concourses. These changes could reduce queuing times and promote social distancing.
Researchers at NYU Tandon are developing novel methods to detect and mitigate hardware Trojans in next-generation wireless systems, as well as exploring analog side channels unique to 5G. The projects aim to make current and future wireless infrastructure more resilient to flaws and hacks.
A new study from the Regenstrief Institute examines the effects of clinical texting on hospitalist and nurse communication, highlighting both benefits and challenges. The study suggests that clinical texting can improve communication, but also raises concerns about user buy-in and shared understanding.
A new wearable device can simultaneously monitor glucose, alcohol, and lactate levels, providing users with a comprehensive picture of their health. This technology has the potential to improve disease management for individuals with diabetes and other conditions, as well as enhance overall wellness through real-time tracking.
A recent Dartmouth study using mobile technology compares emotional well-being of college students before and during the pandemic, finding significant differences in mental health and behavior. The research identifies two groups with differing experiences, with one group showing poorer mental health, anxiety, and stress.
A new grant will help Missouri parents make informed decisions about vaccinating their children against various diseases. The grant aims to provide factual, evidence-based information to address common concerns and promote public health outcomes.
Researchers developed an AI algorithm that can detect weak heart pumps in patients using single-lead Apple Watch ECGs. The study found high participation rates and high-quality data from over 46 states and 11 countries, demonstrating the potential for this tool to be widely used.
Researchers at UC San Diego have developed a smartphone app that uses near-infrared camera technology to track pupil size changes, which can indicate cognitive conditions. The app is designed to be user-friendly for older adults and has shown comparable results to traditional pupillometry devices.
Researchers found that gamification increased daily steps by an average of 647 for postpartum individuals with hypertensive disorders of pregnancy. The study, published in JAMA Cardiology, demonstrates the effectiveness of text-based gamification interventions to improve physical activity among high-risk postpartum women.
Researchers at Einstein Aging Study are investigating how social forces contribute to inequalities in cognitive health, particularly among Black and Hispanic Americans. The new grant will enable the tracking of over 700 Bronx adults with mobile technology to measure cognition directly as they engage in everyday activities.
A study of 619 participants found that reducing smartphone use by one hour daily or complete abstinence for a week led to positive effects on physical activity, life satisfaction, anxiety, and depression. These benefits lasted longer in the reduced-use group, suggesting an optimal daily usage time may exist.
A study by the University of Cincinnati suggests that transgender and gender diverse people can benefit from better-designed smartphone apps offering voice and communication training software. The app features identified as most critical include feedback, accountability, automated goal setting, and non-interactive elements like videos ...
Researchers at UCF create brain-like devices that enable AI to function independently, allowing technology like robots and voice assistants to operate in remote areas or space. The devices use parallelism and in-memory computing, similar to the brain, for AI and unsupervised learning.
A new diagnostic kit called Cygnus detects Dengue Fever with improved rates, beating lateral flow testing and matching hospital-based lab diagnostics. The tests also identify the specific virus type causing the infection, offering a potential solution for widespread disease detection.
A study found that selfies significantly distort facial features, making noses appear 6.4% longer on average compared to standard clinical photographs. The distortion also affects the chin and base of the nose, leading to a significant increase in the ratio of nose to chin length.
Scientists have created a quasi-solid-state cathode for solid-state lithium metal batteries, achieving significant reduction in interfacial resistance. The new design uses an ionic liquid to maintain excellent contact with the electrolyte, promising new directions in battery development.
A new smartphone app developed by Scripps Research calculates genetic risk for coronary artery disease and finds that users at high risk are more likely to start using statins or other cholesterol-lowering therapies. The app, called MyGeneRank, uses genetic data from 23andMe and outputs a CAD risk score.
A new type of high-resolution LiDAR chip has been developed by the University of California, Berkeley, which could lead to a new generation of powerful, low-cost 3D sensors. The chip uses a focal plane switch array (FPSA) and achieves a resolution of 16,384 pixels.
The MagTrack study successfully completed a collaboration between Georgia Tech and Brooks Rehabilitation, creating a user-ready version of the assistive technology. Participants showed improved performance in controlling their power wheelchairs and connected devices with ease and comfort.
A review of invasive alien species reporting apps for citizen science identified key features and areas for improvement. The study emphasizes the importance of user-friendly apps with gamification, AI-powered photo identification, and coordination among developers to enhance public participation and data management.
A team of biomedical engineers from Purdue University developed a new anticounterfeiting technology using cyberphysical watermarks that can be read by smartphones. The technology uses edible silk and FDA-approved food dye to create a hidden digital key on medications, allowing patients to confirm authenticity and dose information.
Researchers at Chalmers University of Technology have developed a method to produce micro-supercapacitors, which can increase battery lifespan and enable fast charging. The new production process is scalable and could lead to significant environmental benefits by reducing battery recycling needs.
A study published in Obesity found that telemedicine can mitigate barriers to obesity care, including limited access to specialized care and high costs. Virtual interactions between patients and healthcare providers may be more cost-effective and lead to better weight loss outcomes.
Researchers found that smartphone app usage patterns can be used to identify individuals with over 30% accuracy. The study analyzed data from 780 people and showed consistent patterns in application usage behaviors on a day-to-day basis. This highlights the potential risks to privacy when using apps automatically collected by smartphones.
Researchers developed a new method using smartphone vibration motor and camera to monitor blood clots, with accuracy similar to commercially available techniques. The device can be used at home, making it easier for patients to test their PT/INR levels, potentially reducing the need for frequent clinical visits.
Researchers have designed a tiny and flat antenna for receiving and transmitting terahertz signals, enabling the miniaturization of THz devices. The new design integrates the antenna with the system, eliminating the need for bulky silicon lenses and reducing optical power required.
A new poll found that less than half of people aged 50-80 have ever used a health-related app, with those in poor health and lower incomes being even less likely. Only 28% of current users share information with healthcare providers, highlighting the potential for apps to support health behaviors and improve outcomes.
A recent study found that using personal assistant applications on smartphones can significantly improve memory in older adults with dementia. The researchers trained participants to use the technology to receive reminders about daily events and activities, resulting in improved memory performance.