Articles tagged with Eeg Activity
A retrospective study found that nearly 80% of patients with in-hospital EEG had abnormal findings, including diffuse slowing and seizures. The study highlights the value of EEG in identifying treatable causes of impaired consciousness in non-critical hospitalized patients.
Researchers alter mouse brain activity to mimic schizophrenia changes, revealing a causal link between brain activity and cognitive problems in normal mice. Decreased thalamic activity disrupts communication between the thalamus and prefrontal cortex, leading to working memory deficits.
Research by David Alexander and Cees van Leeuwen reveals that brain activity is not limited to specific areas, but rather follows a wave-like pattern across the entire cortex. This challenges traditional views of brain function and highlights the complex, dynamic nature of brain activity.
A team of scientists found that conservatives and liberals use different brain regions when making risky decisions, with 82.9% accuracy in predicting party affiliation.
Research published in PLOS ONE found that older adults spend less time fixating text and show lower brain activity when using e-readers compared to paper books. This is likely due to better text discrimination on backlit displays, benefiting older readers. No issues with comprehension were reported.
Researchers at the University of Edinburgh discovered that brain cells code location through indirect communication and electrical activity, allowing us to navigate with our eyes shut. The study's findings could have implications for understanding conditions like schizophrenia and Alzheimer's disease.
A study published in The Journal of Neuroscience found that lifelong bilinguals perform a cognitive flexibility task faster and with less energy than monolingual peers. This suggests that lifelong bilingualism may exert its strongest benefits on the functioning of frontal brain regions in aging.
A recent fMRI study published by David Eagleman in Frontiers found that ordinal sequences, such as numbers, have a strong spatial quality and stimulate less brain activity than non-ordinal sequences. This suggests that the brain can predict and process familiar sequences more efficiently, leading to reduced neural activity.
Training human volunteers to control their own brain activity enhances visual sensitivity, according to a new study. The non-invasive neurofeedback approach uses real-time brain imaging to enable participants to watch their brain activity on a screen.
A study published in Frontiers in Neuroscience found that musical duets show coordinated brain oscillations, even when playing different voices of the same song. This suggests a direct neural basis for interpersonal coordination, with synchronized brain activity observed in regions associated with social cognition and music production.
A study published in PLOS ONE reveals that experienced Brazilian mediums show lower brain activity in certain areas during psychography, a form of writing believed to be guided by spirits. The findings suggest an absence of focus, self-awareness, and consciousness during the trance-like state.
Researchers scanned the brains of 12 freestyle rap artists to study their brain activity during improvisation. The findings show that freestyling increases brain activity in areas responsible for motivation, language, and emotion, allowing for a unique flow of thoughts and words.
A nationwide study found that intensive early intervention therapy can normalize brain activity, decrease autism symptoms and improve social skills in young children with autism. The therapy, called Early Start Denver Model (ESDM), was effective in improving cognition and language skills among very young children with autism.
Research found that self-affirmation enhances performance by making individuals more receptive to errors and allowing for better correction, as indicated by a stronger error-related negativity response in the brain. This study suggests that self-affirmation can be an effective strategy to improve self-control and reduce distress.
A study by Indiana University found that neuroimaging can predict the course of substance addiction treatment. Individuals with reduced self-regulatory control over behavior tend to have lower brain activity, which may indicate a higher risk of relapse.
A study by USC researchers reveals that social factors can affect brain activity related to motor actions, leading to 'differential processing'. This effect is specific to watching movement and is not influenced by physical appearance or group membership.
A Northwestern University study reveals that brain activity changes in olfactory regions after a week of blocked nostrils, compensating for the interruption of the sense of smell. The brain's response to odors returns to normal shortly after free breathing is restored.
Researchers found that kids with less brain activation initially were at greater risk for becoming heavy drinkers. Heavy drinking was linked to increased brain activity during memory tests, particularly among those who consumed four or more drinks per occasion.
Researchers have identified a specific cortical network in the brain that becomes active when lucid dreamers become aware of their dreaming state. This network, including the right dorsolateral prefrontal cortex and frontopolar regions, is associated with self-reflective functions and has been linked to consciousness development.
A study by the University of Exeter found that brain activity in response to food images predicted snack consumption, with greater effects on eating than conscious feelings of hunger or desire. Individuals with low self-control were more likely to overeat and gain weight due to a stronger brain response to food cues.
Researchers at Washington University in St. Louis decoded the brain activity of two monkeys performing a reaching task, revealing distinct planning strategies and cognitive styles. The study found that one monkey, hyperactive, jumped the gun while the other, smooth operator, waited for the target to appear.
Researchers at the University of Michigan have found a causal link between unconscious conflicts and conscious anxiety disorder symptoms. The study used subliminal and supraliminal presentations of words related to unconscious conflicts and conscious symptom-related stimuli, revealing an inhibitory effect on brain activity.
A team of researchers found reliable patterns of brain activity linked to engaging moments in films. They used EEG to collect data on human subjects' brainwaves during repeat viewings of dramatic scenes, revealing correlations with alpha activity levels indicating attentiveness.
A Cleveland Clinic study has detected significant changes in brain activity patterns of patients receiving chemotherapy, supporting the existence of 'chemobrain'. Women showed higher amplitude brain activity after physical and cognitive tasks during treatment.
Researchers at Aalto University found that strong emotions sync brain activity in frontal and midline regions for unpleasant feelings and vision, attention, and sense of touch networks for highly arousing events. This synchronization facilitates understanding others' intentions and actions.
The University of Iowa researchers created a non-invasive method to measure pH changes in the brain using MRI-based techniques. The study found that pH changes occur with normal brain function and can be detected using this new technique.
The study used a non-invasive technique to observe and measure changes in the embryo's brain activity, revealing that circuits capable of monitoring surroundings develop early in fetal development. This breakthrough may help understand human brain development and complex learning processes in fetuses and newborns.
Studies suggest that careful analysis of electrical signals from brain activity may reveal important harmonic relationships in brain circuits. Abnormalities in structure and function are reflected in disrupted musical combinations, such as cacophonous music.
Researchers discovered that embryo brains exhibit waking-like activity up to 20% into the final stage of embryonic life, followed by emergence of sleep patterns. This finding may have significant implications for understanding complex fetal learning and developmental consequences in premature infants.
Researchers at UC Berkeley successfully decoded electrical activity in the brain's temporal lobe while listening to conversation, predicting words heard solely from temporal lobe activity. This breakthrough could enable reconstruction of imagined conversations for severely disabled individuals.
A study by MIT researchers Emile Bruneau and Rebecca Saxe found that brain regions responding to emotional suffering overlap with areas involved in perceiving another person's thoughts or feelings. However, empathy levels did not correlate with brain activity, suggesting more research is needed.
Researchers found that people with schizophrenia showed greater brain activity during tests inducing delusional thinking, including the cortical midline structures and dopamine regions. This effect was not seen in a comparison group without schizophrenia.
Researchers from London-area hospitals and Oxford measure brain activity in infants to assess their pain response, providing a more reliable alternative to current methods.
A Tel Aviv University study found that anxious people are less stimulated by fear-inducing images than non-anxious individuals, suggesting an under-reaction to subtle threatening stimuli. This leads to a 'surprise' reaction to fearful stimuli that non-anxious individuals have already subconsciously noticed and evaluated.
A new study reveals that child abuse can alter brain activity, making children more vulnerable to anxiety and depression. The research shows that exposed children exhibit heightened responses to threat cues, potentially serving as an adaptive response but also increasing long-term vulnerability.
Scientists at the University of Hull found that highly suggestible individuals can see colours in monochrome patterns and experience changes in brain activity under hypnosis. The study suggests that these abilities exist independently of hypnosis and may be useful for medical interventions, such as pain control.
Researchers used lucid dreamers to analyze brain activity during dreaming and found activation in regions relevant to movement planning. The study confirms that dreams are not passive observations but involve brain activity associated with the dream content.
Researchers find that the brain's responses to movies reveal a detailed code that is the same for all individuals. A new method called hyperalignment allows activity patterns in one individual's brain to be decoded by comparing them to patterns in other people's brains.
Researchers in India developed an alarm clock that monitors brain activity to wake users during more easily roused stages of sleep. This leads to a gentler and more refreshed awakening compared to conventional alarm clocks.
A new brain stimulation technique has been developed that makes real-time adjustments in response to Parkinson's disease dynamics, potentially improving symptoms. The study found that this approach alleviated motor symptoms and reduced abnormal neural activity more efficiently than standard deep brain stimulation.
A Penn team has identified a key connection between genetic risk factors for schizophrenia and altered sound processing in the brain. By studying mice with a mutated dysbindin gene, they found reduced activity in specific nerve cells that control fast brain activity, leading to symptoms of schizophrenia.
A study by University of Bonn researchers found that heavy users of first-person shooter games exhibit decreased control over emotions when exposed to real-life negative images, as their brains become desensitized to such stimuli. This effect is not limited to virtual worlds, suggesting potential long-term consequences for gamers.
In a groundbreaking study, monkeys trained at Duke University Center for Neuroengineering learned to control a virtual avatar hand and identify textures of virtual objects solely with their brain activity. This technology has the potential to restore tactile sensation and mobility to quadriplegic patients.
Researchers developed a mathematical model of the brain's neural circuitry to better understand how Parkinson's disease patients' brains transmit information incorrectly. The model reveals that repetitious neuron firing can lead to overly synchronized brain activity, which could aid in developing therapies for Parkinson's disease.
Researchers found that the medial prefrontal cortex recruits the subthalamic nucleus to ward off impulsive urges, allowing time for informed decisions. This understanding may lead to mitigating the side effect of DBS on decision-making and developing more sophisticated treatment systems.
UC Berkeley researchers successfully decoded and reconstructed people's dynamic visual experiences by watching Hollywood movie trailers. The breakthrough technology can eventually be used to understand what goes on in the minds of stroke victims or coma patients, as well as enable brain-machine interfaces for people with cerebral palsy.
Researchers found that babies' brain activity changes from non-specific 'neuronal bursts' to localized activity in specific areas of the brain, indicating they can perceive painful stimulation as separate from touch. This shift may occur around 35-37 weeks gestation.
A new study from the University of Missouri found that alcohol impairs a person's ability to monitor their own behavior and make adjustments accordingly. The study showed that while alcohol reduces self-control, it does not necessarily decrease awareness of mistakes.
Researchers at Princeton University have matched brain activity with categories of words related to abstract ideas. The study reveals how the brain processes complex thoughts and identifies 'semantic threads' connecting related concepts.
Women show heightened neural responses in anticipation of negative experiences, influencing long-term memory. This emotional responsiveness may help women counter the impact of negative emotions.
A new study suggests that differences in brain activity, particularly in the frontal lobe and visual areas, can predict depression relapse in formerly depressed patients. Those who ruminate and activate the frontal lobes are more likely to relapse.
Researchers tested a device to prevent intraoperative awareness and found it was no more effective than a less expensive method. The study involved over 6,000 surgical patients and found that both methods were probably effective in decreasing the incidence of awareness.
University of Pennsylvania researchers have identified a brain-based explanation for how memories become linked, revealing that contextual associations are retained across time scales. The study uses precise brain activity data from epilepsy patients to pinpoint the region of the brain responsible for episodic memory.
Researchers at the University of Cambridge identified a biomarker for autism in siblings of individuals with autism, showing reduced brain activity to emotional facial expressions. This finding provides an opportunity to investigate genes linked to autism and sheds light on why some family members are more affected than others.
A study found that meditation training can lead to changes in brain activity even with short practice time, suggesting its potential benefits. After five weeks of meditation, participants showed greater activity in the left frontal region of the brain in response to subsequent meditation attempts.
A study at the Weizmann Institute found that false memories are formed when our brains rely on false information from others, which is reinforced by social pressure. The researchers discovered a unique pattern of brain activity associated with this process, highlighting a surprising connection between social and memory processing.
Scientists discovered that brain activity increases when viewing same-race and other-race faces, but only predicts whether an other-race face will be remembered. The study suggests that individuation process is fragile for other-race faces due to lack of practice and social categorization.
Researchers at The University of Western Ontario used fMRI to decode action intentions from brain activity, predicting which action a person was planning seconds before execution. This breakthrough understanding of brain planning could lead to controlling prosthetic limbs for movement-impaired patients.
A University of Toronto study found that formerly depressed patients' brain activity responses to sadness can predict future depression relapse. The research suggests that a frontal brain region's analysis and interpretation of sadness may perpetuate depression.
Researchers at Vanderbilt University discovered that impairments in the posterior superior temporal sulcus (STS) brain area contribute to difficulties in reading social cues. This abnormal brain activation leads to misconstruing human actions and intentions in individuals with schizophrenia.