Articles tagged with Eeg Activity
Researchers at MIT's CSAIL have developed a system that allows people to control robots using brainwaves and hand gestures. The system uses EEG and EMG feedback to detect errors and correct robot mistakes on multi-choice problems, enabling more natural human-robot interactions.
Researchers have successfully measured participants' risk behavior while observing their brain activity using electroencephalography (EEG), revealing a key link between anxiety and decision-making. High anxious participants chose the low-risk option more often, and specific brain activity was associated with heightened cognitive control.
A new study published in eNeuro provides evidence for the link between the motor system and our sense of time. Participants in the research task showed synchronization between action preparation and perception, demonstrating that the brain operates at different speeds.
A team of researchers at Drexel University has successfully measured the brain activity of pilots in real-time using functional near-infrared spectroscopy, or fNIRS. The study shows that pilots who flew a real aircraft committed more errors and had higher cognitive load than those who operated a flight simulator.
Researchers at Toyohashi University of Technology have discovered that face-likeness is judged by early visual processing, occurring within 100ms of viewing an object. This finding suggests that face-likeness recognition is a fundamental cognitive process, separate from traditional notions of pareidolia.
A new study published in Social Cognitive and Affective Neuroscience found that having an audience improves performance at skilled tasks. When people know they are being observed, their brain activity increases in areas associated with social awareness and reward, leading to better motor skills.
Researchers discovered that patients with Primary Progressive Aphasia use different brain regions to process language, compensating for damaged areas. This finding holds hope for targeted treatments and earlier disease assessments.
Researchers at Johns Hopkins University developed a way to study the brain of a bat as it flies, recording brain activity for the first time in naturally behaving animals. The team observed bursts of activity in midbrain cells as the bat shifted attention, providing insights into how brains process information in real-world situations.
A study led by UC Riverside psychologist Megan Zirnstein found that bilinguals can actively predict word meanings and adapt quickly, just like monolingual peers. The research highlights the need to acknowledge variability in bilingual communities and suggests that control ability can help readers overcome prediction errors.
Research suggests that age-related disruptions in sleep are not due to changes in individual neurons' activity. The study found similar effects of sleep deprivation on local sleep oscillations across different age groups.
A study found that stressed individuals performed equally well as relaxed individuals in a categorization task, but their brains showed increased activity and used additional brain regions. The researchers believe this compensation mechanism allows for good performance despite stress.
Researchers have created an innovative method to alleviate common fears by reading out unconscious brain activity and associating feared objects with positive feelings. By using a mental exercise game and leveraging artificial intelligence algorithms, participants can become desensitized to phobic stimuli without encountering the feare...
A new study by Duke University neuroscientists used electrical brain activity to predict depression vulnerability in mice, finding different networks of brain activity were linked to depression-like symptoms. The results may lead to a predictive test for mental illnesses like depression and could inform treatment strategies.
A new technique developed by neuroscientists at the University of Toronto Scarborough can reconstruct images seen by test subjects based on electroencephalography (EEG) data. This method uses machine learning algorithms to digitally recreate images in the subject's mind, revealing fine-grained visual detail.
A team of University of Pennsylvania neuroscientists developed a system to monitor brain activity and trigger stimulation responsively, improving learning and memory performance. The study found that precisely timed electrical stimulation can reliably enhance memory function in patients with memory loss.
Researchers recorded laboratory-quality brain activity measurements outdoors using portable equipment, revealing differences in brain processing stimuli compared to indoor conditions. The findings suggest the brain may be compensating for environmental distractions, which could inform the creation of safer public spaces.
Researchers found a direct link between symptom severity and treatment outcomes in patients with isolated dystonia, using deep brain stimulation. Brain activity patterns reveal disease severity, and oscillatory brain activity in the 'theta band' is associated with dystonic symptoms.
Researchers at Bar-Ilan University demonstrate that each neuron functions as a collection of excitable elements, where inputs from different directions are processed differently. This new understanding could impact research into the origin of degenerative diseases and challenges traditional spike sorting techniques.
Researchers at Lancaster University found that 10-week-old babies who practiced 'reflex walking' showed a stronger brain response when watching humans walk compared to those who didn't. The study suggests that experience can refine the perception of biological motion in early infancy.
Carnegie Mellon University engineers have developed a high-density EEG system that captures neural activity at a higher spatial resolution than ever before. The new technology has the potential to improve source detection in epilepsy and enhance our understanding of brain function.
Research on early life stress found that high childhood stress was associated with reduced brain activity and poorer risk-taking decisions in a decision-making task. The findings suggest that childhood stress exposure may influence adult decision-making patterns.
Researchers at the University of Houston have developed a new way to understand how the brain controls walking in complex environments. Using brain-body imaging and motion capture technology, they identified specific areas of the brain involved in locomotion, including the posterior parietal lobe and sensorimotor cortex.
Infants' brainwaves synchronize with adults when they make direct eye contact, allowing for more effective communication and potentially enhancing learning. This synchronization also enables infants to communicate more effectively, making vocalizations when the adult makes direct eye contact.
A study led by Rensselaer Polytechnic Institute found that surgeons who trained on simulators had higher cortical activation and faster cutting times. Simulator-trained medical students transferred skills to cadavers, outperforming peers with no simulator training.
Researchers used tiny microscopes on mice's heads to visualize brain activity in living mice, showing how and where instincts are shaped by learning. The results found that social experiences can influence brain responses to other mice and even lead to long-lasting changes in the brain's activity patterns.
A study published by Johns Hopkins University researchers found that a specific brain-training method, dual n-back, significantly improved working memory and attention in young adults. This exercise resulted in more substantial changes in brain activity, particularly in the prefrontal cortex region responsible for higher learning.
Patients taking psilocybin to treat depression show reduced symptoms weeks after treatment, with changes in brain activity associated with marked and lasting reductions in depressive symptoms.
A new, portable brain scanner has been developed to image infant brain activity in a clinical setting. The device weighs just 40 grams and can distinguish between quiet and active sleep states, as well as detect seizures with high resolution.
Researchers found distinctive changes in brain activity of young binge-drinking college students, which may indicate early signs of brain damage. The study suggests that bingeing has tangible effects on the young brain, comparable with those seen in chronic alcoholics.
Researchers found brain activity abnormalities persist even after seizure treatment, potentially underlying cognitive problems in children with absence epilepsy. This discovery suggests using EEG tests to diagnose and monitor attentional deficits in epilepsy patients.
A study by Claire Tang and colleagues reveals that a subset of neurons can detect relative pitch changes, enabling humans to extract meaning from words. The research found distinct neural responses for males and females, with areas tuned to high relative pitch and low pitch respectively.
Researchers found that third-person self-talk can lead people to think about themselves more similarly to how they think about others, gaining psychological distance from their experiences. This can be useful for regulating emotions, with the brain activity showing decreased emotional reactivity when using the third person.
Researchers found that brainwaves between conversational partners match each other in a study published in Scientific Reports. This interbrain synchrony may be key to understanding language and social interactions.
Researchers analyzed brain activity of 100 healthy Portuguese adults and found that those with better cognitive abilities had more stable and structured brain network states. This study provides new evidence linking brain network dynamics to cognitive performance in later life.
Researchers Joe Kable and Caryn Lerman found that a 10-week Lumosity training session had no effect on cognitive function or brain activity among young adults. Meanwhile, playing non-adaptive video games showed similar improvements in standard cognitive assessments as the control group.
A new system called NeuroCommTrainer is being developed to help people with unresponsive wakefulness syndrome communicate. The system uses electroencephalography (EEG) measurements to understand brain signals and enable patients to respond with a 'yes' or 'no'.
Researchers at Beth Israel Deaconess Medical Center found that an anti-seizure drug can normalize abnormal brain wave frequencies in patients with mild Alzheimer's disease. The study suggests that suppressing seizure-like activity may help patients, and could be a new avenue for treating the disease.
A Drexel University study found that art-making activities like doodling activate the brain's reward pathways, regardless of skill level or experience. The study used fNIRS technology to measure blood flow in the brain during various art activities, revealing increased activity in the prefrontal cortex and positive emotional responses.
A study using brain scans found that feelings of empathy involve distinct brain activity patterns, with empathic care overlapping with value and reward systems and empathic distress linked to mirroring systems. The researchers discovered consistent patterns across individuals, predicting emotions based on brain activity.
A team of Kyoto University researchers has successfully used neural network-based artificial intelligence to decode and predict visual content in the human brain. The technology, known as Deep Neural Network (DNN), shows promise for improving brain-machine interfaces and potentially even understanding consciousness.
A new study found evidence of human-like thinking in tools crafted by modern humans dating back 1.8 million years. The research used advanced brain imaging technology to observe brain activity while crafting simple and complex tools.
Brain-to-brain synchrony was more pronounced in students who were more engaged during class, reflecting their liking for the teacher and peers. This phenomenon may support synchronized behavior in human interactions, such as conversations or group activities.
A team of neuroscientists found that synchronization of brainwaves among students reflects how much they like the class and each other. The study, published in Current Biology, used portable EEG technology to record brain activity during a semester-long classroom observation.
Researchers found that changing tasks frequently interferes with brain activity, leading to worse results than focusing on one task at a time. Brain areas like posterior temporal and dorsomedial prefrontal cortices work more efficiently when dealing with one task.
A study published in BMC Psychiatry found that individuals with post-traumatic stress symptoms experienced significant clinical improvements after using HIRREM, a computer-based closed-loop neurotechnology. The technology uses real-time brain activity monitoring and algorithmic analysis to produce personalized acoustic stimulation, res...
A study of older people found that walking between busy urban areas and green spaces triggers changes in brain activity, reducing frustration and increasing excitement. The research has important implications for architects, planners, and health professionals as the global population ages and becomes more urbanized.
Researchers found that LSD decreases activity in the amygdala, a region related to processing negative emotions like fear. This 'de-frightening' effect may contribute to positive therapeutic outcomes.
Researchers created graphene-based neural probes to record brain activity in high resolution while maintaining a high signal-to-noise ratio. The devices successfully detected small electrical signals associated with brain activities, such as sleep and visual light stimulation, without inducing inflammation or toxicity.
Researchers used brainwaves to measure children's reading levels and found that brain activity differed between those who showed reading success later on. The study suggests that brain activity can be a long-term predictor of reading development and may help identify children who need extra support.
Researchers used portable EEG to study social interactions in real-life settings like classrooms and museums, finding that brain synchrony increases with group cohesion and empathy. The studies also showed that eye contact at the beginning of an interaction can influence subsequent brain activity.
Researchers have discovered a new potential predictor of early dementia through abnormal brain activity in older adults with no noticeable communication problems. Brain regions that process speech were found to be more resilient to Alzheimer's disease, but showed changes that predicted mild cognitive impairment and dementia.
Researchers from the University of Granada found a close association between magnetic systems and certain brain activity states, including 'spin-glass' states that can lead to frozen neuronal activity. This study provides a novel theoretical framework for understanding biological mechanisms behind destabilization of these states.
A study on rat models found changes in brain activity and blood flow early in life, potentially linked to hypertension. The researchers suggest that these changes could be a cause of high blood pressure, paving the way for potential prevention strategies.
Studies reveal that brain activity in self-related and mentalizing regions combine unconsciously to produce a signal about an article's value, predicting its likelihood of going viral. Brain scans from a small group of people can accurately predict the virality of health articles among real New York Times readers.
Researchers found that self-guided emotional imagery training can improve emotional wellbeing in healthy individuals by reducing depressive symptoms and increasing satisfaction with life. The technique was also associated with changes in brain activity, including increased connectivity between image processing networks.
Researchers at CU Boulder have developed a functional MRI-based model that identifies brain activity patterns involved in varied pain experiences. The model, called SIIPS1, maps positively correlated and negatively correlated brain sub-regions, including regions not traditionally considered important for pain assessment.
A new approach to analyze brainwaves during sleep using multitaper spectral analysis provides objective and high-resolution depictions of brainwave activity. This technique offers a paradigm shift allowing clinicians to move away from subjective sleep staging and harness the wealth of objective information contained within EEG data.
Researchers at Newcastle University have discovered abnormal changes in the brain's frontal lobe and emotional control mechanism in individuals with misophonia. The study found that trigger sounds evoked increased heart rate and sweating, and that patients had strikingly similar clinical features despite being undiagnosed by current me...
Researchers found that genetic and environmental influences affect language-related brain activities in the left frontal area of the brain. The study used magnetoencephalography to measure brain activity in monozygotic and dizygotic elderly Japanese twins, revealing that verbal memory is associated with lower-power ERDs.
Scientists have developed a technique to analyze brain patterns, which could help treat anxiety, eating disorders, and other conditions. By using decoded neurofeedback, researchers reduced fear responses in subjects by associating the stimulus with positive outcomes.