Articles tagged with Eeg Activity
Researchers have developed brain-controlled devices that decode brain signals to determine user intentions and orchestrate movements. The use of shared control empowers users to perform complex tasks with high accuracy, mirroring natural motor control.
Scientists at TUM discovered that brain activity changes when transitioning from sensory to emotional processing during prolonged pain. The experiment showed that nerve cells in the brain trigger a different pattern of activity after applying a placebo cream, reducing perceived pain.
A new study found that EEG measurements were more accurate in predicting individual preferences for movies than participants' conscious statements. The study also suggested that EEG tests are relatively cheap and can capture complete information about consumer behavior.
A study by McGill researchers found that Mandarin-speakers are more likely to interpret emotions through tone of voice, whereas English-language speakers rely on facial expressions. This cultural difference is rooted in the limited eye contact and restrained facial expressions typical of East Asian cultures.
Researchers at Vanderbilt University discovered a specific region of the brain that signals when a memory is being retrieved with high detail, enabling the prediction of recall order. This finding has significant implications for understanding and preserving memories in individuals with diseases like Alzheimer's.
Researchers used fMRI to show that autistic individuals have significantly different brain activity related to emotion regulation compared to non-autistic individuals. The study suggests that improving prefrontal cortex activity could help autistic people regulate their emotions and reduce severe symptoms.
Pre-sleep drinking causes initial increase in slow wave sleep power but also increases frontal alpha power, disrupting normal sleep properties. This can lead to detrimental effects on daytime functioning and neurocognitive processes.
Regular smartphone use reshapes brain activity in response to touchscreen interactions, with the thumb being particularly sensitive to changes. The study found that smartphone users' brains show enhanced electrical activity when all three fingertips are touched, and this activity is directly proportional to phone use intensity.
Researchers at UCL have developed a technique that combines two cutting-edge technologies to read and write electrical activity in the brain. By using flashes of light, they can both observe and control brain activity in mice, opening up new possibilities for understanding neurological conditions such as autism and dementia.
A new study from UT Dallas reveals that pre-stimulus brain activity predicts later memory performance, contradicting previous findings on the role of the hippocampus in memory. Greater frontal and parietal cortex activity was linked to false recall, while increased hippocampal activity predicted forgetting.
Researchers at the University of Wisconsin-Madison have tracked electrical activity in brains during imagination and reality, revealing opposite directions of information flow. During imagination, signals move from the parietal lobe to the occipital lobe, while in reality, they flow in the opposite direction.
Dr. Mark Andermann's five-year $1.5 million grant will investigate neural pathways driving hunger and cravings, with the goal of understanding root causes of obesity and food addiction. His novel imaging techniques may lead to breakthroughs in treating these conditions.
A study published in PLOS ONE found that brain activity can predict abstract judgments, such as time reference, even when participants were unaware. The research also sheds light on how images can prompt people to think about the present or future, contributing to our understanding of impulsive behaviors.
New research suggests that a specific brain wave, P300, can be used to identify details that a person has seen and recognized from everyday life. A study found that this method could potentially be used in criminal investigations and courtrooms, with promising results.
A recent study by University of California, Berkeley researchers has found evidence of neural compensation in individuals with beta-amyloid deposits, a hallmark of Alzheimer's disease. This discovery could help explain how some older adults maintain normal cognitive function despite the presence of these deposits.
A new study found that watching violent images causes different brain activity in people with and without aggressive traits. Participants with aggressive tendencies had less brain activity in the orbitofrontal cortex while watching violent movies, but increased blood pressure.
Researchers have successfully visualized the effects of transcranial magnetic stimulation (TMS) on neurons in real-time using voltage-sensitive dyes. The high-resolution imaging data may lead to optimized TMS parameters and learning processes for treating neurological diseases.
A study found that altered brain activity, measured by PET scans, is associated with impaired daily living activities in individuals with mild cognitive impairment and dementia. The researchers identified changes in frontal and temporal areas of the brain linked to memory and decision-making.
A study at City College of New York found that analyzing the brainwaves of a few individuals can accurately predict preferences of large TV audiences. The researchers used electroencephalography (EEG) to capture brain activity while participants watched scenes from 'The Walking Dead' and Super Bowl commercials.
Researchers found that brainwaves from a few individuals can accurately predict preferences of large TV audiences. The study used EEG to measure brain activity while participants watched TV shows and commercials, comparing the results to publicly available social media data and ratings from USA Today's Super Bowl Ad Meter.
Consciousness may be understood through scientific inquiry, despite current debates about its neural basis. Researchers argue that flawed assumptions about consciousness can be addressed through multiple scientific perspectives, potentially leading to breakthroughs in understanding human rights, disease treatment, and technology.
Researchers discovered a correlation between specific brain activity patterns and sensitivity to market bubbles in high earners. The study found that these individuals ignored nucleus accumbens activity, which is associated with pleasant emotional states, instead focusing on the anterior insular cortex, which is active during bodily di...
Researchers found that taste-related words activate emotional centers and gustatory cortices, whereas literal words only stimulate emotion when part of a sentence. Metaphorical sentences may spark increased brain activity in emotion-related regions due to physical associations.
A recent study from the University of California, Davis suggests that random fluctuations in brain activity may contribute to our ability to make choices. The researchers found that patterns of brain activity before a decision can predict the outcome of the decision.
New research reveals that brain activity transitions through dynamic 'way stations' before returning to full consciousness after anesthesia. The study's findings have implications for understanding how brain injury or neurological disease disrupts consciousness, and may provide new insights into coma recovery.
Research found that brief musical training can increase blood flow in the left hemisphere, similar to language processing. The study suggests a rapid change in cognitive mechanisms for music perception.
The study found that brain activity in reward areas predicts food cravings, while prefrontal regions predict resistance to temptation. Participants with high prefrontal activity were more successful at controlling their desires.
Researchers found that brain activity is more similar to that of speakers when listeners can predict what they will say, even before a sentence is spoken. This suggests the brain acts as a prediction machine, anticipating events in communication.
The study found that positive thinkers had less brain activity during a task where they were asked to put a positive spin on graphic images, while worriers showed increased activity. This suggests that positive thinking may be harderwired in the brain and could have implications for how negative thinkers approach difficult situations.
A new study by SISSA researchers found that newborns' brains react differently to words starting with common and uncommon sounds, supporting the idea of universal language preferences. This suggests a possible biological basis for language acquisition, shaping the sound of words from birth.
Researchers used brain-mapping techniques to study imitation in schizophrenia patients and found abnormal brain activity in areas associated with imitation. The findings suggest that individuals with schizophrenia may have a less specialized brain network for processing social information, leading to difficulties with social interactions.
Researchers identified distinct brain activity profiles when making cost-benefit decisions about drinking alcohol. The study used fMRI to examine how the brain weighs pros and cons of drinking, revealing a neural signature associated with ambivalence between cost and benefits.
Researchers found that hippocampal stability affects how close or far memories are recalled in terms of temporal distance. The study suggests that similarity in the brain across time results in greater temporal proximity of those memories.
A new Indiana University study found stark differences in brain network activation among alcohol-dependent women, suggesting the anterior insular region may be a key target for treatment. The research indicates that these women have trouble switching between brain networks, affecting their decision-making about drinking.
Researchers found that high dream recallers show stronger brain activity in areas involved in attention and memory, suggesting increased ability to encode dreams in memory. This study provides insights into the neural mechanisms behind dream recall and has implications for understanding the mysteries of dreaming.
A recent brain scan study suggests that individuals engage in risky behaviors due to inadequate self-control, rather than excessive desire. The research used a video game to simulate risk-taking and found that the software accurately predicted choices 71% of the time.
A new brain-imaging technique allows people to monitor and control their brain activity in real time, enabling the training of specific targeted brain regions. MEG is being explored as a potential therapeutic tool for various neurological and neuropsychiatric conditions.
Researchers at NYU and NYU Langone Medical Center found that speech engages both sides of the brain, contradicting previous assumptions. This discovery sheds new light on addressing speech-related inhibitions caused by stroke or injury, enabling more effective rehabilitation methods.
Researchers at Western University found that neurofeedback training can alter key brain networks linked to post-traumatic stress disorder (PTSD), leading to improved subjective well-being. The study used a combination of EEG and fMRI techniques to measure changes in brain activity and connectivity after a 30-minute neurofeedback session.
A novel rehabilitation device converts thoughts into electrical impulses to improve motor function in stroke patients, enabling them to perform activities of daily living. The device showed promising results in improving motor skills and quality of life for patients with moderate severity strokes.
Researchers at Duke University have enabled monkeys to control two virtual arms using their brain activity. The study advances efforts to develop bilateral movement in brain-controlled prosthetic devices, aiming to restore mobility and sense of touch in severely paralyzed patients.
Research found that individuals experiencing depression process self-related information differently in the brain, showing increased activity when thinking about themselves. The study used fMRI brain imaging to compare brain activity between depressed and non-depressed participants.
Northwestern University researchers found that brain activity can predict individual differences in reading comprehension, with nearly 90% accuracy. They used EEG to measure brainwaves and compared the results between ordered and scrambled story texts.
A recent study published in Emotion journal found that mindful individuals show less neural response to positive feedback compared to their less mindful peers. This suggests that mindful individuals may be less affected by immediate rewards and exhibit improved self-control.
Researchers at Massachusetts General Hospital have developed a computer-controlled system to automate the process of administering anesthesia, promising more precise and efficient control. The system uses brain activity monitoring to adjust drug infusion and maintain a deep state of anesthesia, reducing the need for manual intervention.
A study of retired NFL players found abnormal brain activity in the frontal lobe, which may indicate executive function deficits and increased risk of neurodegenerative diseases like Alzheimer's and Parkinson's. The results suggest that fMRI can detect subtle neurological problems not picked up by standard clinical tests.
Researchers collect first solid evidence of brain activity pattern similarity between experimental conditions and everyday conversation. The study's novel method allows for real-life brain monitoring, potentially enabling applications like communication devices for patients with strokes.
Researchers studied brain activity in volunteers while they expected and received rewards, finding that the auditory cortex was activated during both scenarios. The findings suggest a broader role for the auditory cortex in processing expectations beyond just sound.
Researchers found that neurofeedback techniques can improve whole-brain signal-to-noise ratio, allowing for clearer thought and concentration. This technology has implications for brain rehabilitation and treatment of disorders such as traumatic injury or stroke.
Scientists discover Nu-complexes, a new type of brain activity detected in human and cat comas beyond the flat EEG line. This finding opens up avenues for understanding learning and memory processes during coma and may lead to more effective treatments.
Researchers found that brain patterns for both tasks correlated, suggesting they use the same area of the brain. This study provides evidence for the co-evolution of language and tool-making skills, a theory proposed by Darwin.
A University of Virginia study found that brain regions responsible for threat response become active when a friend is threatened, similar to when the individual themselves is under threat. This suggests that people closely correlate people they are attached to with their own selves, forming empathy and understanding.
Researchers documented irregular brain activity within hours of a concussive injury and increased brain activity weeks later, indicating the brain may compensate for the injury. The study suggests a new approach to deciding when athletes can return to play after a concussion.
Researchers found that hypnotic suggestion can modify the processing of a targeted stimulus before it reaches consciousness, leading to true and automatic hallucinations. The study used EEG measurements and two highly hypnotizable participants who consistently reported color changes in response to suggested shapes.
A University of Michigan study reveals that rats display brain activity patterns characteristic of conscious perception shortly after clinical death. The findings suggest that the brain is capable of well-organized electrical activity during the early stage of clinical death.
Scientists at Penn's Annenberg School for Communication found that inaction-related words in the environment can influence self-control, triggering unconscious behavior to stop over-indulging. The study challenged traditional theories that inhibition requires conscious control.
Researchers found that mineralocorticoid receptors play a crucial role in enabling the brain to adapt to stressful situations. When these receptors are blocked, learning efficiency decreases and brain activity shifts from conscious to unconscious learning systems.
A novel data adaptive technique is used to suppress artifacts and extract regional brain activities from EEG signals. The study successfully identifies individual motor imagery based on alpha component activities, revealing distinct regional brain responses to different stimuli.
A new biomarker has been identified to predict which type of depression treatment is most likely to be successful, either therapy or medication. The study used pre-treatment brain scans to identify a pivotal predictor of outcomes from two standard forms of depression treatment: cognitive behavior therapy (CBT) or escitalopram.
Scientists have developed a microfluidic electrophysiological device to record brain activity of worms, enabling the detection of drug effects. This technology opens up new possibilities for high-throughput screens in neurotoxicology and generic screening for neuroactive drugs.