Articles tagged with Eeg Activity
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.
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.
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.
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.
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.
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.
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 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 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 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.
A study published in Neurology found that higher levels of brain activity in the prefrontal cortex were associated with a higher risk of falls in healthy older adults. The association remained even after accounting for other factors, such as slow walking speed and frailty.
Researchers at Albert Einstein College of Medicine found that brain activity while walking and talking can predict the risk of falling. The study, published in Neurology, involved 166 healthy older adults who were asked to perform tasks such as walking and reciting letters. The researchers found that elevated brain activity during thes...
Researchers challenged a popular autism hypothesis by studying brain responses to repeated visual and tactile stimuli. The findings showed that brain responses were as stable as those of healthy controls, contradicting the idea that unreliable brain activity causes autism symptoms.
Researchers used transcranial magnetic stimulation to revive stowed memories, suggesting a separate state of memory apart from active working memory and deep storage. This breakthrough may help individuals control their attention and manage mental health disorders like schizophrenia and depression.
Researchers found that brain connections change with age, but compensate for this by using new strategies to remember things. The study used fMRI data to analyze brain activity in individuals, revealing distinct patterns of connectivity among older people.
A recent study from the University of Georgia found that individuals with higher levels of lutein and zeaxanthin in their diets had better cognitive performance, as measured by fMRI technology. The researchers suggest that these compounds may help buffer age-related brain decline and improve neurocognitive function.
A recent study published in Frontiers presents a brain-to-text system that decodes speech from brain signals with high accuracy. The technology uses electrocorticography and language models to match patterns of neural signals to spoken words, offering potential benefits for individuals with speech disorders or locked-in patients.
Researchers found that infants as young as 8 months use the same circuits as adults when learning simple hierarchical rules. Their brains are properly adapted to handle essential elements in their world, suggesting a more mature prefrontal cortex than previously thought.
The paper explores various techniques for brain-machine control, including EEGs and near infrared spectroscopy, to facilitate communication and rehabilitation in paralysed patients. Brain-machine assistive interfaces enable patients to communicate or control external devices such as prostheses.
A new study from Michigan State University suggests that meditation can help tame negative emotions in people of all mindfulness levels. Participants who meditated showed similar levels of 'emotion regulatory' brain activity as those with high natural mindfulness, indicating improved emotional health.
Researchers at Binghamton University studied brain activity in over 450 children ages 7 to 11, finding significant changes in brain signal complexity from year to year, particularly in frontal brain regions. These changes can potentially benchmark normative brain development and help identify early warning signs for mental illness.
Research at Oxford University reveals that amputees' brains maintain an accurate picture of their missing hands decades after amputation. This finding has significant implications for the control of advanced prosthetics, as it suggests that the brain's representation of the hand remains intact despite the loss of sensory input.
The study used fMRI to measure human brain activation and found that it can predict brain activity patterns within 70% accuracy. The researchers developed a novel approach to map semantic characteristics of words and correlated them with neural activity patterns.
Researchers found that watching food commercials increased children's emphasis on taste over healthiness, leading to faster and more impulsive food decisions. The study also showed that the ventromedial prefrontal cortex was significantly more active after watching food commercials.
Eight people with spinal cord injuries regained partial sensation and muscle control in their lower limbs after training with brain-controlled robotics. The research, led by Miguel Nicolelis, offers promise for regaining strength, mobility, and independence for those with spinal cord injury, stroke, and other conditions.