Articles tagged with Eeg Activity
Scientists used MRI to study brain activity during sleep, discovering that overall activity decreases but communication among brain regions becomes more dynamic. The findings suggest a breakdown in neural networks during transitions between light and deep sleep stages, with implications for understanding human consciousness.
Boston University researchers developed a personalized procedure to selectively modulate orbitofrontal brain activity, resulting in reduced compulsive behavior. The five-day treatment showed immediate and sustained improvements, even for those with severe symptoms.
Researchers tracked brain activity while participants performed mundane tasks to identify signals of unfocused thoughts. Increased alpha waves and weaker P3 signals were detected when minds wandered or weren't paying attention, promoting relaxation and exploration.
A study by Weizmann Institute of Science researchers found that spontaneous brain activity in the visual centers can trigger vivid visual hallucinations in blind individuals with Charles Bonnet syndrome. The findings suggest a shared neural system for vision, imagination, and hallucination.
A new study suggests that a bedside EEG test can aid in prognosis for unresponsive brain injury patients by measuring their response to speech. The strength of these responses is correlated with the patient's outcome and can help clinicians make effective treatment decisions.
Researchers used a brain machine interface to enable mice to guide a cursor using only their brain activity. The study found that visual cortical areas in the mouse brain were involved during the task, including the parietal cortex, which may act as a way station between sensory and motor areas.
Researchers have made breakthroughs in predicting epilepsy seizures using brain implant data, identifying weekly-to-monthly cycles of 'brain irritability' that predict higher likelihood of seizures. The study's findings could enable patients to plan their lives around high or low seizure risk, avoiding potentially dangerous situations.
A team of researchers has found that visual short-term memory retains multiple types of information, including color, texture, and name, in a single phase. This challenges previous assumptions about the complexity of visual short-term memory and highlights the importance of complex brain activity analysis.
Research reveals that processing factual information elicits stronger brain activity compared to uncertain information in narratives. The brain adds new information to a model of the developing situation, with stronger activity in frontal medial areas for updating one's own beliefs.
A recent study published in Psychophysiology found that the essence of human being remains stable throughout life, with a component of self-awareness remaining intact. The study suggests that changes to physical aspects, attitudes, and values are more likely to occur over time.
Researchers at King's College London have discovered a way to change baby brain activity through associative learning, which could lead to innovative rehabilitation methods for infants with brain injuries. The study involved 24 infants who learned an association between sound and movement, resulting in altered brain activity.
A study by researchers at the University of Rochester Medical Center discovered that people's brain activity and organization differ when reimagining common scenarios, leading to distinct neurological signatures. These signatures can help understand and study disorders such as Alzheimer's disease.
Researchers at the National Eye Institute have decoded brain maps of human color perception, finding unique patterns of brain activity for each color. The study may have implications for the development of machine-brain interfaces for visual prosthetics.
Researchers used EEG to study how music affects the brain's reward system, finding increased activity in regions involved in emotional processing, movement control, and auditory processing. Chills induced by favorite songs release dopamine, triggering a physiological response that indicates greater cortical connectivity.
A new study has found that establishing a positive clinical rapport between doctors and patients can relieve pain during acupuncture treatment. Patients who mirrored their doctor's facial expressions experienced less pain, while stronger brain alignment was associated with improved treatment outcomes.
Scientists have found a correlation between brain activity and attitudes towards humanoid robots, with distinct neural patterns predicting people's bias in attributing intentionality. This study contributes to understanding engagement with robots and can inform the future acceptance of robots in healthcare applications.
Skoltech researchers propose a fast and accurate numerical method to address the low spatial resolution of EEG studies. The new approach directly backpropagates measured signals from the skin down to the cortex, increasing accuracy for source localization while speeding up processing.
A team of researchers from the University of California, San Francisco, has made a significant breakthrough in developing a 'plug and play' brain prosthesis that enables individuals with paralysis to control devices using their brain activity. The device uses machine learning algorithms to match brain signals to desired movements, allo...
A new neurofeedback approach, Decoded Neurofeedback (DecNef), has been explored in a preclinical study to treat chronic pain. The study found that DecNef enhances the brain's natural ability to control pain by boosting the 'endogenous pain control system', which is often dysfunctional in chronic pain patients.
Research published in Journal of Child Psychology and Psychiatry suggests that obesity in pregnant women can affect the developing brain, particularly in areas responsible for decision-making and behavior. The study used fetal brain activity measurements to identify potential links between maternal BMI and changes in brain connectivity.
A study published in Neurology found that training with a brain-computer-interface can significantly reduce phantom-limb pain in amputees. After just three days of training, patients experienced a 30% reduction in pain intensity, and the effect lasted up to five days after training was complete.
A University of New Mexico research team has identified brain-wide neural correlates of the transition from fear to anxiety, shedding new light on the brain's response to fearful events and why some people don't easily recover. The study found that vulnerability to anxiety correlates with elevated activity in specific regions of the br...
Scientists identified specific brain regions linked to humans' sense of agency, finding that brain activity involved in planning and motor monitoring is crucial. By altering this network with transcranial magnetic stimulation, researchers were able to reduce participants' sense of control over their actions.
Researchers developed a new method to detect and locate seizures in real-time using artificial intelligence and systems theory. By treating the brain as a network, they extracted meaningful data from electroencephalograph (EEG) signals, improving seizure detection accuracy.
Researchers at the University of Helsinki developed a technique called 'brainsourcing' to analyse brain activity and determine preferences. The method uses artificial intelligence to classify images or recommend content based on brain activity, achieving reliable labelling results with only 12 volunteers.
Researchers used EEG to measure brain waves in sheep sedated with high doses of ketamine, finding a temporary halt in brain activity that corresponded to human users' reports of disconnection from their body. The study aims to better understand the effect of therapeutic drugs on the brains of people living with Huntington's disease.
Researchers found that the human brain minimizes cognitive capacity usage when reading, focusing on essential information. By analyzing brain activity, they developed a model to determine word informativeness and predict information gain.
A new study published in Nature Neuroscience reveals that people who experience more variety in their daily routines feel happier. The researchers found a strong correlation between brain activity in the hippocampus and striatum when individuals had diverse experiences.
Researchers investigated the link between prenatal alcohol and tobacco smoking on newborn brain activity. The study found associations between these exposures and altered brain activity in infants.
A NTU Singapore study reveals that physically present spouses show higher similarities in brain responses to infant stimuli, suggesting greater emotional attunement. The study suggests that co-parenting couples benefit from spending time together while caring for their children.
A recent brain imaging study suggests that the absence of a partner can strengthen the motivation to reunite, potentially driving the instinct to form lasting bonds. The research found unique clusters of cells in the brain associated with reunion and social distancing, shedding light on why social distancing is tough.
Researchers found that brain activity changes with heartbeat, suppressing certain components associated with consciousness during systole, leading to reduced detection of weak stimuli. Additionally, a large heartbeat-evoked potential indicates focus on internal bodily signals over external environmental cues.
A study modeling psilocybin's effects on brain activity reveals the importance of coupling neuronal and neurotransmitter systems at the whole-brain level. The findings support the development of treatments for depression, anxiety, and addiction using this psychedelic drug.
A recent study by Drexel University's Creativity Research Lab found that creativity is primarily driven by the right hemisphere in jazz guitarists during improvisation. Inexperienced musicians rely on their right hemisphere, while highly experienced musicians use their left hemisphere for creative tasks.
Researchers at Skoltech discovered that non-invasive magnetic stimulation of the brain can enhance human working memory. The effects of magnetic stimulation weaken as the brain works on a cognitive task under stimulation. Cognitive activity can even reduce the efficiency of TMS, suggesting new protocols may be needed for optimal results.
Researchers developed a new method to accurately record brain activity at scale, enabling the creation of brain-computer interface systems. The technology overcomes challenges in recording brain activity across large areas and minimizes tissue damage.
Researchers used functional MRI scans to study brain activity while watching videos. Increased activity in certain brain regions predicted whether individuals would continue watching and even forecasted aggregate video view frequency and duration.
Researchers at Stanford University used brain imaging to forecast how long people will watch videos online. They found that brain responses, not self-reports, predict video popularity. Longer video views were associated with activity in reward-sensitive regions of the brain.
Researchers developed a non-invasive wearable device that increased physiological brain activity near injured areas in chronic ischemic stroke survivors. The device produced significant improvements in motor function, as measured by functional MRI, and treatment effects persisted over three months.
Researchers found that brain activity while resting can reveal a person's empathic disposition, potentially helping health care professionals better assess those with autism or schizophrenia. The study used functional magnetic resonance imaging to analyze brain scans and machine learning algorithms to predict participants' empathy levels.
Researchers identified reduced brain activity in a specific left-brain area in individuals with face blindness, contrasting with normal activity in control subjects when viewing faces. The discovery provides new insights into the condition and may aid in developing treatments.
Researchers found binaural beats do not alter mood, contrary to popular claims, and instead synchronize brain waves like other sounds. Brain activity synchronized with both types of beats, but monoaural beats had a stronger effect.
Researchers have discovered that kisspeptin can enhance brain activity related to attraction and arousal in men, particularly those with low sexual quality of life. The study used MRI scans to track brain responses to female faces and perfume, finding that kisspeptin triggered greater activation in attraction pathways.
Research at EPFL suggests that breathing patterns influence conscious decision-making and acts of free will. The study found that voluntary actions are linked to the body's internal state, particularly during exhalation.
A new imaging system, Flyception2, has recorded ultra-precise brain activities in flies during various stages of mating, including courtship. The study reveals surprising findings about brain nerve cells' activity patterns, with P1 neurons inactive during copulation and mAL neurons switched on.
The study found that CBD influenced the prefrontal and mediotemporal brain areas, which have unusual activity in people with psychosis. After one dose of CBD, functional connectivity between these areas was reduced, indicating improved brain function.
Researchers at the University of Turku studied how horror movies affect brain activity and found that unseen threats are the scariest. The study revealed that brains continuously anticipate and prepare for action in response to threat, making horror movies an effective way to enhance excitement.
Researchers found that suppressing alpha waves in one hemisphere of the parietal cortex improves attention to objects on the opposite side of the visual field. Neurofeedback training increased contrast perception, suggesting a causal relationship between alpha wave control and attention enhancement.
Researchers found that DMT significantly altered brain activity, characterized by a marked drop off in alpha waves and an increase in theta waves. The study suggests that DMT induces a unique state of consciousness, like daydreaming but with vivid visual imagery and immersive experiences.
A new study from Michigan State University found that open monitoring meditation increased error recognition in non-meditators. The researchers measured brain activity using EEG and found a stronger neural signal about half a second after an error, indicating enhanced conscious error recognition.
Researchers found that the brain activity patterns of individuals and their close friends show remarkable similarities when evaluating personality traits. This study utilized a round-robin design to analyze brain activity while participants evaluated themselves and others.
Researchers have successfully used a new 'bike helmet' style brain scanner with young children for the first time, measuring brain activity during natural activities. The technology enhances Magnetoencephalography (MEG) to study healthy brain function and neurological conditions in children.
New research by UVA neonatologist Jennifer Burnsed suggests that seizures caused by inadequate oxygen and blood flow can lead to behavioral issues and learning disabilities later in life. Mapping brain activity during infant seizures may help predict outcomes and inform treatment options.
Researchers found that brain actively filters out background noise, with fluid outdoor sounds causing the largest effect on focus. The study uses wearable EEG technology to measure brain activity in different environments, paving the way for more realistic neurotechnology design.
Researchers detect non-linguistic experience in brain activity during reading, combining with linguistic information to decode sentence meaning. This breakthrough may guide future efforts in language disorders and artificial intelligence.
Researchers found atypical brain activity in people with autism when coordinating visual and motor information. This can lead to difficulties with daily activities such as handwriting or playing sports. The study aims to better understand the diverse challenges experienced by individuals with ASD.
Researchers found a gene that responds to brain activity to coordinate the need for sleep, and zebrafish studies suggest that intensive brain activity increases sleep pressure. The findings may help understand sleep disorders and conditions like Alzheimer's disease.
A study using fMRI found that the default mode network in the brain responds similarly to aesthetically pleasing images from different domains, indicating a possible universal code for beauty. This discovery may lead to insights into how we experience aesthetic experiences and could inform learning and well-being.
Researchers found that people with schizophrenia employ different brain circuits to overcome initial lack of understanding, leading to increased brain activity in certain areas. The study aims to develop practical skills to help patients with schizophrenia understand metaphors in everyday speech.
A study from the University of Washington found that people exposed to multiple languages can identify words in yet another language better than those who live in monolingual environments. This effect was observed even among those with limited proficiency in other languages, suggesting that ambient exposure plays a role in language lea...