Articles tagged with Smartphones
Using anonymized smartphone data, researchers found that police spend more time patrolling non-white neighborhoods, with disparities linked to socioeconomic and crime-driven demand for policing. The study reveals a strong correlation between racial composition of a neighborhood and police presence.
A smartphone attachment developed by UC San Diego engineers can screen for neurological conditions like Alzheimer's disease and traumatic brain injury at low cost, accurately regardless of skin tone. The technology uses far-red light to enhance visibility of the pupil, making it easier to track changes in eye movement.
A new study published in the University of East Anglia shows that automated insulin delivery technology can help pregnant women with type 1 diabetes better manage their blood sugars. The technology, known as Hybrid Closed-Loop or Artificial Pancreas, helps to substantially reduce maternal blood sugars throughout pregnancy.
A study by Medical University of Vienna found that AI algorithms in smartphone applications perform well in diagnosing pigmented skin lesions, but are outperformed by doctors in treatment decisions. The 7-class algorithm showed equivalent diagnostic accuracy to experts, while the ISIC algorithm performed worse.
A new study by Klick Labs reveals that AI technology can screen for Type 2 diabetes using six to 10 seconds of a person's voice, with high accuracy rates. The research used acoustic features to analyze recordings from over 18,000 participants and identified significant vocal variations between individuals with and without the condition.
A pioneering international study led by UOC researchers finds that older people in Spain and Israel use smartphones more than those in Canada and Romania due to access to affordable internet rates. The study contradicts the stereotype that growing older leads to decreased digital technology use.
Researchers at Cornell University have developed a new method to purify rare earth elements using metal-loving microbes. The microbe selectively adsorbs and purifies these elements, eliminating the need for harsh chemicals.
Researchers from Tokyo Tech have developed an organic light-emitting diode (OLED) with a remarkable ultralow turn-on voltage of 1.47V for blue emission. The device uses upconversion mechanism to reduce applied voltage, enabling efficient blue OLED production.
A new study from the University of Georgia found that people generally enjoy conversation over smartphone use, with a significant emotional boost from talking to strangers. In contrast, sitting alone was found to be the least preferred task, even when participants were given a choice.
Neurological soft signs (NSS) can distinguish people with schizophrenia from healthy individuals. Smartphone sensing technology offers a standardized assessment method, reducing subjective rating systems' barriers.
A team led by Dr. Zixiang Xiong at Texas A&M University aims to understand the fundamental limits of learned source coding, a machine learning-based data compression method. They hope to develop more powerful compression methods for efficient use of wireless communication and less energy consumption by mobile devices.
A smartphone intervention app reduced unhealthy alcohol use among university students, with a 10% decrease in weekly drinks and 11% fewer heavy drinking days. The app, available for both Apple and Android smartphones, was effective in promoting healthier drinking habits without requiring significant resources.
Researchers found that texting pedestrians are more likely to fall in response to walkway hazards. Young adults may be more prone to taking risks despite awareness of the danger, suggesting alternative interventions like phone-locking technology could be effective.
Researchers at the University of Washington have developed an underwater 3D-positioning app for smart devices, allowing divers to accurately track each other's locations. The app uses acoustic signals and timestamps to estimate diver distances and locations, improving accuracy with more devices in the network.
A study published in the Journal of the American College of Cardiology found that alerting volunteers can increase bystander CPR and AED use, leading to improved survival rates. The volunteer system increased rates of CPR and defibrillation in out-of-hospital cardiac arrests, giving victims a higher chance of receiving early care.
Research leaders collaborate with organizations and regulators to develop digital tools for Parkinson's clinical trials. The Digital Drug Development Tools initiative accelerates the regulatory endorsement of these tools, enabling more objective and patient-centered measures.
A recent study by Ohio State University found that low to moderate levels of screen time do not negatively impact preschoolers' language, literacy, and math skills. However, high levels of screen use at nighttime were linked to smaller gains in social skills, particularly for those who used more than two hours of media daily.
Researchers at the University of Washington created an app called FeverPhone that uses existing phone sensors and screens to estimate whether people have fevers. The app was tested on 37 patients in an emergency department and showed accuracy comparable to consumer thermometers, with potential for early intervention in viral outbreaks.
A study analyzed emoji and emoticon use in secure clinical texting systems, finding they primarily convey new and interactionally significant information. The results suggest that emoji use may not undermine professionalism as much as initially thought.
Researchers argue that emoji-based language systems can improve communication between patients and physicians, particularly for vulnerable populations such as those with stroke or vocal impairments. The use of emoji can condense surveys and questionnaires, increasing response rates and appealing to patients.
A smartphone app developed by a team of researchers improved midwives' knowledge and skills in Tanzania, leading to better birth preparations for pregnant women. The app showed significant improvements in learning outcomes and home-based value scores, indicating a higher preference for hospital births.
A new framework developed by Carnegie Mellon University researchers significantly reduces consumers' privacy risk while preserving advertisers' utility in mobile location data analysis. The framework uses machine learning to quantify personalized privacy risks and performs personalized data obfuscation.
A low-cost clip attachment uses a smartphone's camera and flash to monitor blood pressure, making it easy and affordable for resource-poor communities. The technology was tested on 24 volunteers and showed comparable results to traditional blood pressure cuffs.
University students' tweets showed a positive correlation between social events and hobbies with subjective well-being, while politics had a negative effect. Negative expressions also increased during the pandemic, negatively impacting students' desire for self-presentation and overall well-being.
Researchers have developed a novel computational approach to design protein-peptide ligand binding complexes that can trigger complex cellular responses. The new biosensors can sense flexible compounds and provide optimal sensing of molecular signals, potentially leading to improved therapeutic applications.
A study of 700 participants found that time outdoors doesn't always reduce smartphone screentime. However, visits to nature reserves or forests saw significant declines in screentime compared to urban locations. Participants who visited wilder areas spent more time disconnected from their smartphones and regained attention.
Researchers found that people produce louder and slower speech with less pitch variation when communicating with AI systems, while clearer speech improves comprehension. The study aims to improve AI's ability to understand human speech and investigate language changes as technology advances.
A video-based smoking cessation program developed by a University of Massachusetts Amherst researcher has helped nearly 40% of HIV-positive smokers in Nepal quit tobacco. The program, which includes 11 video sessions and is accessible via smartphone app, was found to be highly effective in promoting abstinence among participants.
Emotion dysregulation and fear of missing out (FoMO) contribute to problematic smartphone use among young people. Difficulty in controlling impulses and emotional clarity increase FoMO levels.
Researchers from the ARC Centre of Excellence in Exciton Science have demonstrated a new chip-scale approach using OLEDs to image magnetic fields, offering a potential solution for portable quantum sensing. This technique enables small, flexible, and mass-producible sensing without requiring input from a laser or cryogenic temperatures.
Researchers at Princeton University developed a new device called mmWall that can steer millimeter-wave (mmWave) signals to reach all corners of a large room. The device uses an accordion-like array of panels to reflect and refract radio waves, allowing for efficient beam steering and alignment with transmitters and receivers.
Researchers have found that commercially available smartphones and smartwatches can capture key features of early, untreated Parkinson's disease. These technologies could provide more objective and continuous ways to measure the disease, bringing new treatments to market faster for patients in the early stages.
The WVU SMARTER center aims to improve mobility in rural areas through self-driving cars, ride-sharing services, and bike sharing. The center will develop infrastructure and technology barriers to ensure accessibility for all people.
A new AI stop smoking app, Quit Sense, detected triggers and provided support to help smokers manage urges to smoke in specific locations. The study found that four times more people who used the app quit smoking six months later compared to those only offered online NHS support.
A randomized clinical trial found that using smartphone apps for home monitoring after oncologic surgery leads to improved quality of recovery and equal patient satisfaction. The study compared this approach with conventional in-person follow-up, revealing no significant differences in these outcomes.
A study of high school students in Brazil found that excessive smartphone use is associated with thoracic spine pain (TSP), affecting girls more than boys. The research highlights the importance of health education programs to combat this issue and promote physical activity and good posture.
A recent study published in PLOS ONE found that smartphone plant identification apps are not accurate enough to rely on when it comes to identifying toxic plants. The researchers developed a repeatable scoring system to assess the accuracy of these apps and found them to be unreliable for this purpose.
Researchers at Argonne National Laboratory have discovered ultrasmall swirling magnetic vortices, known as merons and skyrmions, in an iron-containing material. These tiny magnetic structures show promise for future computer memory storage and high-efficiency microelectronics due to their stability and adaptability to binary code.
Researchers at the University of São Paulo developed a kraft paper-based electrochemical sensor that can detect traces of pesticides in fruit and vegetables in real time. The device resembles a glucometer and has been shown to be highly sensitive, fast, and inexpensive.
Researchers at the University of Washington developed GlucoScreen, a new system that leverages smartphone capacitive touch sensing to measure blood glucose levels. The system's accuracy is comparable to standard glucometer testing, making it potentially less costly and more accessible for widespread screening.
Researchers have developed a new type of OLED display that uses strong coupling of light and matter to improve color saturation and brightness. The displays, known as polariton-based OLEDs, achieve this without compromising efficiency or viewing angle dependency.
A proof-of-principle study introduces a 'glowscope' - a $50 device that converts smartphones into fluorescence microscopes. The device allows for low-magnification imaging of cells, tissues, and organisms under fluorescent lighting.
A new type of ferroelectric semiconductor has been integrated into a reconfigurable transistor, enabling multifunctional devices to be combined on the same platform. This breakthrough could lead to more efficient and lower-cost electronics, including reconfigurable radio frequency and microwave communication systems.
A new non-invasive diagnostic technique using smartphone photographs of the eye and face has been successfully developed to detect anaemia in children. The study, published in PLOS ONE, used images from 43 children under four to predict blood haemoglobin concentration with high accuracy.
Researchers at UBC Okanagan have developed transmission schemes that incorporate reconfigurable intelligent surfaces to serve as reflectors within existing wireless networks. These surfaces can bounce signals to cell phones, improving accuracy and reliability in location services and data speeds.
A smartphone app-based cognitive behavioral therapy program lowered blood sugar levels and improved health behaviors in patients with diabetes. The study found a clear 'dose effect,' where participants completing more lessons saw greater benefits.
Researchers found that certain wearable devices using bioimpedance sensing technology can interfere with CRT devices, causing pacing interruptions or unnecessary shocks to the heart. The study suggests that future clinical studies are needed to evaluate patients with CIEDs and wearables.
Researchers at Nagoya University developed a new dry etching method for metal carbides, allowing for the selective removal of TiAlC from other compounds. This technique enables the fabrication of gate-all-around transistors with improved performance and reduced leakage.
New research explores the impact of digital media on visual perception, finding that online environments can shift what the brain pays attention to. Studies suggest that excessive digital use can lead to a reduced sensitivity to oblique angles, but this effect may not be permanent once exposure to nature increases.
HemaChrome, a digital health startup, has won phase 1 of the National Institutes of Health's RADx Tech for Maternal Health Challenge. The company uses smartphone technology to noninvasively measure blood hemoglobin levels, making them accessible and affordable for nearly everyone.
Researchers from Mount Sinai Health System presented studies on the association between obesity and adverse outcomes in forceps-assisted vaginal deliveries, as well as the utility of cervical length surveillance after cerclage placement for predicting preterm birth. Additionally, a new tool for managing postpartum hemorrhage was showca...
A new smartphone application called FAST.AI uses machine learning algorithms to recognize facial asymmetry, arm weakness, and speech changes in people experiencing a stroke. The app's accuracy was validated through a study involving nearly 270 patients with acute stroke, showing promise as a tool for prompt individuals to seek care.
Scientists have created a small, portable device that can extract and pretreat bacterial DNA using voice commands, making it easier and safer for researchers to handle potentially infectious samples. The device has shown promise in extracting DNA from Salmonella Typhimurium with an efficiency of 70% in under a minute.
A University of Houston research team has developed a new method for early diagnosis and monitoring of lupus nephritis using a smartphone-based test. The test assesses the levels of ALCAM protein in urine, showing high diagnostic accuracy for renal pathology activity in active lupus nephritis.
Researchers found that inexpensive techniques, such as nudges, can increase adoption of app features and complete onboarding. The study's findings have implications for consumer privacy, customer relationship management, and regulation.
Researchers from the University of Tsukuba found that web-based interventions are effective in promoting weight loss in people with overweight and obesity. The most effective components include social support, self-monitoring, behavioral goal setting, and personalized information.
Researchers developed HippoCamera, a new smartphone app that significantly improves memory recall by boosting attention to daily events. Users record videos and audio descriptions of everyday experiences, which are then replayed to reinforce memory consolidation.
A new study found that limited information is available on the size of the gambling market, participation, harms, and prevention in Sub-Saharan Africa. The researchers argue that regulation is outdated and ill-equipped for a digital age, with many territories lacking explicit regulation for online gambling.
The Center for Aggressive Scaling by Advanced Processes for Electronics and Photonics (ASAP) aims to develop new fundamental technology solutions to reduce energy consumption in microprocessors. The center will focus on materials discovery, heterogeneous 3D integration, and highly energy-efficient circuits and architectures.
A study of 578 mental health apps found that most offered basic features like psychoeducation and goal tracking, but fewer innovative features like biofeedback or specialized therapies. Privacy concerns remained a significant issue, with app popularity metrics providing little help in identifying more private apps.