Articles tagged with Smartphones
Researchers at Cornell Tech used smartphone data to predict episodes of schizophrenic relapse, analyzing movement, ambient sound and sleep patterns. The method found a median 108% increase in behavior anomalies before relapse.
Researchers developed a mathematical model to estimate key physiological parameters like maximal aerobic speed and endurance in athletes. The non-invasive data gathering method offers new possibilities for treatments and monitoring.
Researchers found a connection between daily spiritual experiences and overall well-being, with both stable and fluctuating experiences contributing to mental well-being. Daily spiritual experiences, such as feeling God's presence or inner peace, were associated with lower depressive symptoms and higher levels of flourishing.
A randomized clinical trial compared two smartphone apps for helping smokers quit, with one approach using gamification and the other leveraging cognitive behavioral therapy. The study found that both apps were effective in reducing cigarette use, but the gamified app had a higher quit rate at 6-month follow-up.
A study from Dartmouth College found that passive monitoring of phone usage can mirror activity in the brain linked to traits such as anxiety, with predictions matching fMRI scans at 80% accuracy. Phone data analysis also supported long-term emotional traits and helped eliminate subjectivity in other information-gathering techniques.
Researchers developed an IoT-based exercise system that improves physical fitness in elderly individuals by measuring oxygen intake and monitoring exercise intensity. With a 5-month training program, participants increased their fitness level to match that of 10 years earlier, utilizing interval walking training (IWT).
A study of 495 Portuguese adults aged 18-24 found a strong link between smartphone use and feelings of panic, anxiety, and obsession. Researchers discovered that those who experienced nomophobia (fear of being without their phone) scored higher on obsession-compulsion tests.
A recent study found that men who used smartphones and tablets in the evening had poorer sperm quality, with lower sperm concentration, motility, and progressive motility. Additionally, longer sleep duration was associated with higher sperm total and greater progressive motility.
The new lens is made up of a single nanometric layer of silicon on arrays of nanoposts that interact with light. It can be used to produce high-resolution images with a wide field of view, suitable for smartphones and other devices relying on sensors.
A new smartphone app can predict asthma deterioration by measuring night-time coughing, indicating worsening symptoms. The study found a strong correlation between increased night-time coughing and subsequent worsening of asthma symptoms, suggesting the app could be a useful tool for monitoring asthma.
A new study by UCL researchers found that contract tracing apps are unlikely to be effective without large-scale uptake and adherence to quarantine advice. The review analyzed 15 relevant studies and suggests that automated contact tracing methods would still need to be used within an integrated public health response.
A Rutgers University study found that relying on the internet for homework is hurting students' long-term retention and resulting in lower grades. Students who use their smartphones to find answers tend to forget the information and perform worse on exams.
A new study published in the Journal of Studies on Alcohol and Drugs found that smartphones can detect changes in gait patterns associated with alcohol intoxication. The research suggests that real-time information about alcohol consumption could be used to reduce harm, prevent drinking and driving, or alert a sponsor for someone in tr...
Researchers at Drexel University developed a smartphone app, UnityPhilly, to empower community members in delivering naloxone during opioid overdoses. The study found that participants successfully reversed overdoses in 95.9% of cases and administered naloxone faster than EMS in over half the events.
Researchers have created a novel method using smartphones to measure soil density, which is crucial for nutrient and carbon stock management. The new approach involves taking high-resolution photos of soil samples with a smartphone camera and analyzing them using photogrammetry software.
Community members supplied with naloxone and a smartphone application can act quickly to reverse opioid overdose before EMS arrival, reducing mortality. The study found that layperson-initiated overdose reversal occurred in 59.6% of cases, with volunteers administering naloxone prior to EMS arrival.
Researchers at the University of Southern California have created a novel memory device that exceeds previous performance while offering promising prospects for integration with silicon electronics. The device uses asymmetric metal and semi-metallic graphene materials to achieve record-breaking speed and efficiency.
Researchers at LMU Munich used smartphone data to analyze users' personalities, finding strong correlations between behavior patterns and self-assessed traits. The study focused on the Big Five personality dimensions, revealing that certain types of digital behavior are more informative for specific self-assessments.
Smartphone accelerometers measure key muscle training time-under-tension indicators, aiding in resistance workouts and rehabilitation. The study uses these devices to obtain scientific mechanical-biological descriptors of resistance exercise training, providing valuable insights for trainers and healthcare professionals.
Researchers analyzed display technologies, including Mini-LED, Micro-LED, and OLED. They found that mLED/μLED/OLED emissive displays outperform LCDs in dynamic range, motion picture response time, color gamut, and adaptability to flexible and transparent displays.
A recent study published in Journal of Child Psychology and Psychiatry found that parental smartphone use is rarely associated with poor parenting. In fact, at low levels of displacing family time, more smartphone use was linked to better parenting.
A new analysis found little evidence of negative impacts on parenting from smartphone use. At low levels of displacing family time, more smartphone use was associated with better parenting.
Researchers found that in-person and remote assessments of jugular venous pressure often agreed, correlating with right atrial pressure measurements. The study's results could enable more frequent checks and reduce trips to the doctor's office for heart failure patients.
A UCLA bioengineer designed a glove-like device that can translate American Sign Language into English speech in real-time using a smartphone app. The system uses thin sensors to pick up hand motions and finger placements, which are then translated into spoken words at the rate of about one word per second.
A team of researchers at ETH Zurich has made a groundbreaking discovery that silicon can be stronger and more deformable than previously thought. They found that by using a specific lithography method, silicon pillars could withstand much greater widths without breaking, offering new possibilities for the fabrication of micro-?electro-...
Researchers are developing a patient-friendly smartphone sensor to measure tooth pain and provide accurate care. The grant aims to test a novel way to quantify tooth pain using a commercially available device and miniaturize it for smartphone use.
Researchers found that ambient temperature, surface type, and relative humidity play critical roles in virus survival. Droplet drying times were longer in cities with greater humidity, potentially contributing to slower pandemic growth rates.
Researchers at Universitat Politècnica de València assessed the effectiveness of Bluetooth technology in contact tracing. The study found that Bluetooth is the most suitable technology for detecting contacts within a 2-3 meter range, reducing false contacts and improving efficiency.
A team of physicists at the Universität Leipzig is developing an ultra-compact spectrometer with potential applications in industries such as food, medicine, and textiles. The new instrument could make quality control cheaper and more accessible, allowing for widespread adoption and democratizing access to spectral analysis.
A Florida Tech student discovered systemic design flaws in several internet-connected doorbell and security camera systems, allowing malicious actors to retain access to camera systems indefinitely. The vulnerabilities could lead to substantial invasions of privacy or instances of electronic stalking.
A study by the University of Bonn shows that smartphone-based fundus imaging can detect diabetic retinopathy with high accuracy, even in early stages. The method allows for efficient screening and diagnosis, enabling trained laypersons to examine patients, reducing hospital visits.
Researchers developed a smartphone-based technique to assess hemoglobin levels using spectral super-resolution spectroscopy, eliminating the need for bulky optical components. The new approach uses images of the inner eyelid to detect blood disorders such as anemia and sickle cell anemia
Researchers are developing a smartphone app to diagnose COVID-19 at home using acoustic sensing and AI techniques. The system measures changes in human airway mechanics, which are uniquely correlated to COVID-19 infection.
A study at the University of Jyväskylä reveals that flexible work arrangements can have positive effects on employees, including increased autonomy and reduced conflict. The research found that communication across boundaries can create a functional environment where employees feel supported and understood.
A new study found that smartphones increase the willingness of people to disclose personal information online compared to desktop computers. The researchers suggest that smartphone users' comfort and familiarity with their devices lead to a 'safe zone' effect, making them more willing to open up about themselves.
Researchers developed a self-interference cancellation filter that can accurately cancel distortion caused by radio and channel distortions, reducing computational complexity and increasing speed. The filter has the potential to enable in-band full-duplex communications in small radios such as smartphones.
Researchers at UCI developed TrackCOVID, a free, open-source app for anonymous contact tracing. The app logs interactions and notifies users at risk of exposure through an anonymous graph.
A study by researchers at the University of Washington found that people often misunderstand online status indicators and adjust their behavior accordingly. Over half of participants reported being aware that someone had noticed their status, while over half logged in to check others' statuses.
Carnegie Mellon University researchers have created a method to build accurate 3D reconstructions of faces from smartphone videos, outperforming other camera-based processes with sub-millimeter accuracy. The digital face might be used in gaming, virtual or augmented reality, animation, biometric identification, and medical procedures.
Research from UC Davis found that preschoolers' self-regulation skills are lower when they use screen media devices, which can impact academic success, social functioning, and mental health. The study recommends delaying screen introduction and limiting mobile device use to promote optimal development.
Purdue University researchers have created a novel system that allows multiple players to interact with the same VR game on smartphones, reducing latency and improving user experience. The Coterie system enables 4K-resolution VR on commodity mobile devices and supports up to 10 players in the same application.
A new training program called DOORS helps patients with serious mental illness develop skills to use digital health tools, such as monitoring symptoms and setting wellness goals. The program, developed based on self-determination theory, focuses on three key elements: competence, autonomy, and relatedness.
A smartphone app detecting jaundice in newborns may prevent deaths and disabilities due to its accuracy and low cost. The app uses images captured on a smartphone camera to quantify the yellowness of the eye, similar to expensive hand-held devices.
A new smartphone app, MAESTRO*, can recognize locusts and grasshopper pests through camera images and record GPS locations. The app aims to enable targeted pesticide delivery to prevent swarms from spreading and devastating crops. Researchers gathered over 3,500 locust images to train the system.
A review of evidence published in The BMJ found that smartphone apps assessing mole risk cannot detect all skin cancers. While AI-powered apps offer potential for earlier detection and treatment, limitations and variable performance indicate insufficient promise to recommend their use.
A study by University of Birmingham experts reveals that smartphone skin cancer detection apps are unreliable and poorly regulated, with only a small number of studies showing variable and unreliable test accuracy. The researchers call for stricter regulations and better evaluation processes to protect public safety.
A new review in the Canadian Medical Association Journal suggests an association between excessive smartphone and social media use and mental distress among adolescents. The authors provide guidance for physicians, parents, and teachers on how to help teens achieve a healthy balance between device use and other aspects of their lives.
A pooled analysis of 14 studies found that text messaging was associated with significantly lower rates of looking left and right before crossing, as well as moderately increased rates of collisions and close calls. Listening to music was not linked to any heightened risk of pedestrian behaviours.
A new smartphone camera-based test can identify urinary tract infections in just 25 minutes, potentially making accurate testing more widely available in developing nations. The test uses a smartphone camera and reagents to detect the presence of E. coli bacteria, which is present in 80% of bacterial UTIs.
A new study finds that 80% of medical students experience a low sense of personal achievement, while 17% report high levels of depersonalization. The study's lead author attributes this to the unique stresses and pressures of each year of medical school.
A study by Politecnico di Milano used smartphone accelerometers to detect heart rate and stress levels with high accuracy. The research involved placing the phone on the abdomen for short periods, allowing it to capture signals associated with mechanical cardiac activity.
Researchers at Carnegie Mellon University have developed a system called Video Event Reconstruction and Analysis (VERA) that can accurately locate a shooter based on video recordings from as few as three smartphones. VERA uses machine learning techniques to synchronize video feeds and calculate the position of each camera, with audio p...
UCLouvain's research developed Multipath TCP to support expanding global internet traffic, improving Wi-Fi and mobile network switching. The protocol is used by 800 million iPhones and has won international awards, enhancing connectivity in rural areas and offering a win-win for subscribers and telecom operators.
Researchers at the University of Illinois are developing a smartphone-based diagnostic system that can detect pathogens in less than 30 minutes using a single drop of blood. The system, which will be handheld and cost less than $10, has the potential to provide fast and affordable results for patients in developing countries.
The NUS team developed a portable, easy-to-use, and low-cost device that can detect toxin-producing algae in water within 15 minutes. The system uses a smartphone and generates real-time results, enabling quick and convenient water quality monitoring.
A new study uses smartphone accelerometer data to measure postoperative physical activity and its impact on recovery. The research team found that patients who experienced complications after surgery had significantly lower daily activity compared to those without complications.
A new smartphone app reminder significantly increased medication adherence among heart patients, with 65% correctly taking their pills at 90 days compared to 21% in the control group. The study's results suggest that mobile health technology can be a cost-effective strategy to improve adherence and reduce poor outcomes.
Researchers at RUDN University have developed a method to identify electronic devices using defects in flash memory cells, which are unique to each device. The distribution and nature of these defects can be used to create 'fingerprints' that cannot be faked.
Researchers at the University of Delaware are developing new memory devices that can support neural networks in low-power embedded systems. These advancements aim to improve the lifetime and reliability of IoT devices, which currently struggle with battery power and memory constraints.
University of Utah engineers create a new type of optical lens that is thinner and lighter than conventional lenses, working with night imaging and enabling longer-flying drones and military applications. The lens is made of plastic instead of glass, reducing manufacturing costs.