Articles tagged with Cognitive Neuroscience
Researchers at George Washington University found that people perceive objects differently based on their prior knowledge and experience, with manipulable objects perceived faster but with less detail, while non-manipulable objects are perceived slower but with higher detail.
A recent study published in Nature Neuroscience found that a 20-minute non-invasive treatment regimen can improve both short-term and long-term memory in individuals 65 years and older. The treatment involves electrical brain stimulation delivered through scalp electrodes, and its effects were observed to last at least one month.
Research at Karolinska Institutet reveals the glymphatic system malfunctions during bacterial meningitis, causing a buildup of toxic garbage that damages brain cells. The study found increased signs of neuroinflammation and neuronal damage in rats infected with Streptococcus pneumoniae.
Male bottlenose dolphins in Shark Bay form complex alliances to increase access to females and reproductive success. Their multi-level alliance network, the largest outside humans, shows cooperative relationships can emerge without unique human features.
A study from MIT neuroscientists has identified a population of neurons in the visual cortex that respond to images of food. The researchers found four previously known populations and a fifth, more surprising population that appears to be selective for food images. This finding may reflect the special importance of food in human culture.
Researchers at WVU are using robots to analyze potential hazards and provide walkability maps in retail environments, aiming to reduce occupational injuries. The team plans to test the robots after hours in an actual retail space, combining camera data with wheel speed measurements to estimate slip risks.
Research found that sleep deprivation dampens activity in social cognition brain network and is associated with reduced altruism. A 10% drop in donation amounts was observed after losing an hour of sleep due to Daylight Saving Time.
A study led by University College London found that poor heart health at age 36 predicts a higher brain age later in life, with men having older brains than women of the same age. The research used machine learning to estimate brain age from MRI scans and found an association between brain age and increased brain shrinkage over time.
A new study published in PLOS ONE explores the relationship between preterm birth and educational attainment in U.K. children. The research found that children born before 32 weeks had higher rates of poor school attainment, but only those born very preterm remained at risk by the end of secondary school.
Researchers developed a method combining musical tests with EEG measurement to detect cognitive decline in old age. The study tested 50 elderly people who scored low on the mini-mental test, showing promising results in detecting mental deterioration.
A study found a strong link between post-COVID loss of smell or taste and memory problems in patients. Those with the most severe sensory disorders performed worse in cognitive tests, especially memorization.
Researchers at the University of Illinois found that certain characteristics of the brain's connectome can be inherited from one generation to the next. This may contribute to differences in cognitive abilities between individuals.
Researchers developed a peptide that can be administered through nasal spray to reduce seizure activity and protect neurons in both Alzheimer's and epilepsy. The A1R-CT peptide inhibits neurabin, a protein that prevents the overactivation of neurons, allowing for increased action by adenosine receptors.
Researchers found that gifted word learners, a rare breed of dogs capable of learning multiple toy names, exhibit even higher levels of playfulness than typical border collies. The study suggests a correlation between playfulness and giftedness in learning object verbal labels.
A study found that prolonged mental labor leads to glutamate accumulation in the prefrontal cortex, causing cognitive fatigue and altering control over decisions. Researchers suggest taking rest and sleep as a solution to overcome this limitation.
A new study found that brain scans are more accurate in measuring learning than traditional tests. The research reveals a link between spatial thinking and verbal reasoning, with improvements in one leading to gains in the other.
Researchers found a link between atrial cardiopathy and dementia in older adults, with those having the condition at a higher risk of developing dementia over time. The study suggests that subtle changes in the left atrium may be an independent risk factor for dementia, even after controlling for other vascular risk factors.
A recent study found that overnight EEGs can predict Rett syndrome with 90% accuracy and identify specific patterns associated with different subtypes of the disorder. This breakthrough could lead to the development of more refined interventions and improved care for girls with Rett syndrome.
A Kessler Foundation neuroimaging study found that older individuals reported less state fatigue and showed greater brain activation to combat fatigue. The study also revealed women show greater resilience when faced with a fatiguing task, highlighting age and gender differences in fatigue responses.
A 60-year study found that building mental resilience through education, socializing, and exercise can reduce dementia risk even among those with low childhood cognition or genetic predisposition. Participants with higher cognitive reserve index and reading ability showed slower cognitive decline.
Robert Reinhart's work utilizes noninvasive neuromodulation technology to develop personalized treatments for cognitive brain disorders. His research shows significant improvements in age-related memory function and compulsive behaviors with high-definition transcranial alternating current stimulation.
A study published in Neurology found that factors such as educational attainment, occupation, and social activities can create a 'cognitive reserve' that protects against Alzheimer's disease. Participants with higher childhood cognitive skills, education, and social engagement showed less cognitive decline over time.
Ben-Gurion University researchers Dr. Moti Salti and Dr. Dafna Bergerbest propose a framework to objectively compare subjective experiences and reveal their neuronal basis. They focus on numerosity as a field where objective criteria can be established, aiming to map individual transfer-functions at both behavioral and neuronal levels.
Researchers found that microscopic blood vessel disease in the brain's white matter is associated with worse cognitive function and memory deficits in individuals with Alzheimer's. Lifestyle changes such as reducing hypertension, obesity, diabetes, and inactivity may help prevent or slow disease progression.
A new study by Columbia University Mailman School of Public Health found that sustained low wages during working years are associated with significantly faster memory decline in older age. Low-wage earners experienced approximately one excess year of cognitive aging per a 10-year period compared to those who never earned low wages.
The Cognitive and Neurobiological Approaches to Plasticity Center (CNAP) at Kansas State University will continue its neuroscience research, thanks to a $11.2 million NIH grant. The funding will support junior faculty development and infrastructure upgrades for neuroplasticity research.
A new study introduces a novel epigenetic predictor, PCBrainAge, that captures aging heterogeneity across multiple brain regions. The tool demonstrates stronger associations with AD dementia and pathologic AD compared to existing age predictors.
Scientists have identified two areas of the auditory cortex specialized to recognize human voice sounds without linguistic meaning. These regions help react to sound cues allowing people to identify characteristics of the person speaking, such as gender, age, and height. This discovery sheds light on neurological disorders affecting vo...
A new study found that HIV-1 Tat expression accelerates age-related diseases in male mice by disrupting neuroendocrine function. Researchers discovered that Tat alters steroid hormone levels, leading to anxiety-like behavior, cognitive errors, and reduced grip strength.
A study by Max Planck Institute for Human Development found that children use spontaneous strategy changes and broader attentional focus to achieve better results, similar to adults. This broadens the understanding of learning behavior in children.
A new study led by researchers from the University of Michigan and Penn State College of Medicine compared two approaches for people with early form of memory loss: mnemonic strategy training and spaced retrieval training. Mnemonic strategy training showed increased brain activity in areas often affected by Alzheimer's disease, while s...
A new study from Tel Aviv University found a promising treatment for long-term COVID-19 symptoms using Hyperbaric Oxygen Therapy (HBOT). Patients treated with HBOT showed significant improvement in cognitive function, attention, and executive functions.
A new study published in Neurology found that greater mental activities are associated with greater thinking speed reserve for both men and women. However, the study also revealed a significant difference in the effects of physical activity on cognitive reserve between men and women.
Kessler Foundation researchers will conduct studies on brain injury, knee osteoarthritis, and pediatric cerebral palsy using mixed-reality technology, robotic exoskeletons, and cycling feedback systems. The grants aim to improve safety and mobility for elderly individuals with cognitive impairments and those with neurological disorders.
A new study finds that racial discrimination affects brain microstructure, increasing the risk for health disorders in Black women. Traumatic experiences lead to changes in brain white matter tracts, which may enhance risk for negative health outcomes.
Researchers found reduced levels of Histone Deacetylase I (HDAC I) in the brains of patients with Alzheimer's disease, linked to deleterious effects of misfolded beta-amyloid and tau proteins. HDAC inhibitors, currently being tested against mild Alzheimer's disease, may be harming patients rather than helping them.
Researchers analyzed data from wearable activity monitors on nearly 600 participants to identify changes in movement patterns that may predict cognitive decline. The study found significant differences in activity during waking hours and afternoons, with fragmented activity being a key indicator of mild cognitive impairment or Alzheime...
Researchers at University of California - San Diego launch nationwide clinical trial to investigate benfotiamine as a metabolic treatment approach for Alzheimer's disease. The trial aims to determine the effectiveness of high doses of benfotiamine in benefiting people with mild AD or mild cognitive impairment.
A new study suggests that a unique gene variant supporting cognitive health in older humans may have first emerged to protect against infectious pathogens like gonorrhea. This variant, linked to CD33, allows brain immune cells to break down damaged brain cells and amyloid plaques associated with Alzheimer's disease.
A new study has identified neurogliaform cells as key regulators of information flow between brain areas. These cells help separate current perception from past experiences, enabling smooth communication between brain regions.
Researchers found evidence of how destructive proteins attack human brain cells and destroy surrounding tissue. The study identified a pivotal mechanism that could be a potential therapy for the disease.
Researchers found that rats can learn spaces just by observation, without needing physical exploration. They outperformed naive rats in finding a reward location, suggesting that a stable cognitive map can be formed through observation alone.
Researchers at Boston University developed an AI-powered computational model that can detect cognitive impairment from audio recordings of neuropsychological tests. The model was trained on over 1,000 individuals and accurately distinguished between healthy individuals and those with dementia.
Research finds that preschoolers' brain maturation improves inhibitory control abilities, with 4-year-olds outperforming 3-year-olds in tasks requiring stopping actions. The cognitive control network's distinct regions and white matter connections are associated with different aspects of self-control development.
A long-term high-fat diet has been shown to cause significant weight gain and metabolic disorders in mice, leading to anxiety, depression, and worsening Alzheimer's disease. The study suggests a clear link between chronic obesity and diabetes with cognitive decline.
Researchers at the University of Illinois Urbana-Champaign have developed a low-cost ultrasound imaging method to study the relationship between Alzheimer's disease and the brain's vascular system. The technique, which provides high-resolution images of animal microvasculature, may aid in early detection of the disease.
The July issues of The American Journal of Psychiatry and Psychiatric Services feature new neuroscientific advances addressing major depression, anhedonia, and cognitive deficits. Research reports highlight the provision of care among underserved populations, including Hispanic communities with declining mental health services.
Research reveals that brain responses to stories change dramatically between childhood and adulthood, with different brain regions activated in each age group. Children as young as seven show similar patterns of brain activity to adults when watching a story, but their brains are less synchronized and more focused on sensory details.
The Nutrition for Dementia Prevention Working Group recommends improving clinical nutrition trials by considering biomarkers, genetic testing, and microbiome analysis. The group suggests utilizing a wider variety of study designs and more personalized approaches to guide future research.
Researchers from Kessler Foundation found that virtual reality (VR) technology can strengthen the effects of traditional cognitive rehabilitation and exercise training in individuals with MS. By increasing sensory input and promoting multisensory integration, VR may increase the effectiveness of these therapies.
A study by Emmanuelle Volle's group at the Paris Brain Institute has identified two semantic memory search processes involved in creativity: clustering and switching. Clustering is linked to divergent thinking, while switching relates to combining distant associations between concepts.
A study found that men exhibiting mild behavioural impairment symptoms are at risk of faster cognitive decline compared to women. Researchers identified key behavioral changes, such as apathy and false beliefs, which may help identify people at higher risk of developing dementia.
Researchers elucidated the molecular mechanisms of acetylcholine in learning and memory, revealing a signaling cascade involving protein kinase C. The study opens doors to new therapeutic strategies for Alzheimer's disease.
A research team has developed supernumerary robotic arms that users can feel as part of their own body, expanding the possibilities for human augmentation. The study, published in Scientific Reports, shows that users can embody artificial objects and perceive them as extensions of their own body.
A study from Japan's University of Tokyo reveals that users can form a strong sense of ownership with virtual robotic arms, expanding their perceived personal space. The research aims to inform the design of real-life supernumerary robotic limb systems that people can use naturally.
A systematic review and meta-analysis of 16 studies involving 76,373 participants found a significant association between visual impairment and cognitive decline in older adults. The study highlights the need for further research on the effectiveness of treating sight problems to prevent cognitive impairment and dementia.
Researchers from Trinity College Dublin have proposed three guiding principles for improving AI, inspired by infant learning. The new approach aims to enhance machine learning with in-built preferences and developmental trajectories, using richer datasets that capture multiple senses.
Researchers found hyperactive amygdala-pons connectivity in individuals with major depressive disorder, associated with severity of psychological symptoms. The pons interacts with the amygdala to process sad affective information, suggesting a potential therapeutic target for mood regulation.
Researchers found that people with higher grit scores showed different patterns of cognitive performance, characterized as cautious control, but not necessarily enhanced cognitive ability. Grit was linked to low impulsivity and high mindfulness, related to self-regulation.
Researchers found that walking enhances performance on cognitive tasks in 14 participants by increasing frontal brain function, while 12 others showed no improvement. This discovery highlights the flexibility of a healthy brain and has implications for understanding aging and neurological disorders.