Articles tagged with Cognitive Neuroscience
The USC Stevens INI is partnering with Vanderbilt University Medical Center and the University of Miami to merge Alzheimer's disease data from over 30 datasets, producing a large-scale, standardized set of clearly defined data. This harmonization will enable large-scale machine learning analysis to better characterize the genetic basis...
A study found that meditation training reduced chronic stress by 25% through decreased cortisol levels in hair. The researchers used a 9-month training programme to measure the effect, and the results showed that only sufficiently long training leads to significant stress-reducing effects.
Researchers created a wiring diagram of critical brain circuits using mouse models, providing insights into the primary motor cortex's wiring. The study pinpoints smaller circuits that process specific functions, such as movement control and emotional input, and could reveal new treatment targets for neurodegenerative disorders.
Researchers create detailed atlas of mouse cerebrum, revealing distinct cell types and gene regulatory elements. The study provides insights into brain organization and function, with potential implications for human neurological diseases and traits.
International experts discuss the clinical and therapeutic applications of neuropsychological assessment, highlighting its contributions to neurorehabilitation and cognitive performance. The articles explore performance validity testing, teleneuropsychology, and the nexus of neuropsychology and neuroimaging.
Researchers discovered a distinct brain signature associated with team flow, characterized by increased beta and gamma waves in the middle temporal cortex. This neural pattern is linked to enhanced information processing and synchronization between teammates during the team flow state.
Researchers found that an existing drug, prucalopride, can improve cognitive function by enhancing activity in brain areas related to memory. In a study of 44 healthy volunteers, those taking prucalopride performed better on a memory test and showed increased activity in the hippocampus and right angular gyrus.
Researchers found that bilinguals are better at spotting grammatical illusions, a type of manipulative discourse. Bilingual participants detected 56% of the constructions, while monolinguals only succeeded 39%. However, bilinguals needed more time to respond.
Researchers used fractal analysis to study brain network patterns while listening to a story. The results show that complex thoughts are reflected in high-order dynamic correlations in neural activity patterns.
Researchers tracked fruit flies' ability to interpret information while asleep, discovering a specific brain region involved in processing salient smells. The study used defined fly brains to analyze neural connections, finding that aversive odors woke the flies up more often than attractive ones.
A new study in mice reveals that fragile X treatment can incur resistance, but also identifies potential strategies to overcome this. Administering mGluR5 inhibitors at a young age and then stopping may produce lasting benefits in cognitive ability.
Problem-solving therapy led to short-term changes in the amygdala, a key region for emotion regulation, in individuals with comorbid depression and obesity. The study suggests that neural target changes at two months predicted improved behavioral outcomes after 12 months.
A neural model suggests that conspiracy theories are a result of the brain's tendency to simplify complex information and associate it with emotional experiences. This theory challenges traditional views on the origins of conspiracy theories, proposing a link between genetic determinism and neuronal activity.
A team of researchers at Kennedy Krieger Institute developed a new method to diagnose Autism Spectrum Disorder (ASD) using a single 2D camera. The Computer Assessment of Motor Imitation (CAMI) method provides greater access to patients and shows accurate assessment with 2D technology.
A systematic review found spatial neglect to be prevalent among 29% of unilateral stroke survivors, with higher rates in right brain strokes and ecological assessments. This condition impairs cognitive and motor functions, slowing rehabilitation progress and increasing risk for injury.
A study by Boston University researcher Jennifer Zuk found that the brain's organizational pathways, known as white matter, set a foundation for language learning abilities within the first year of life. This is reflected in children born with higher indications of white matter organization having better language skills five years later.
A new VA study finds a strong connection between PTSD symptom severity and anxiety sensitivity among female Veterans who experienced military sexual trauma. Treating anxiety may ease core PTSD symptoms, suggesting anxiety sensitivity as a potential target for treatment.
Researchers at the University of Birmingham discovered that humans process written words rapidly, using pre-processing judgments within 100ms, and that this activity is linked to the complexity of the word. This study has significant implications for diagnosing and training individuals with dyslexia where pre-processing is impaired.
A recent study by University of Missouri-Columbia professor Linda Bullock found that infants of mothers with only one abusive partner had worse cognitive outcomes compared to those with multiple male partners, including some who were abusive. This suggests that the absence of support from a father figure can hinder a child's development.
A pilot study at the University of Cincinnati found that young adults with ASD and ID can lose or maintain weight with a system of education and support in place. Participants and parents reported knowledge and behavior change, with two participants losing significant weight.
A new study found that cognitive control plays a significant role in determining whether individuals cheat or not. Participants who tended towards honesty were more likely to cheat, while those with a moral inclination towards dishonesty were more likely to remain honest. This suggests that cognitive control can override moral impulses...
Research from Dartmouth College reveals that making and breaking eye contact during conversations can create a dynamic balance between shared attention and individual expression. Pupillary synchrony decreases after eye contact breaks, allowing for creativity and new thoughts, while also signaling shared understanding.
A large study found that education and income have varying relationships with brain volume and cognitive scores across different populations. The associations were strongest in childhood development, suggesting socioeconomic status may not specifically protect the brain from aging effects.
A new study published in the Journal of Cognitive Neuroscience found that differences in cognitive control are not absolute, but rather a matter of degree. The research team, led by Todd Braver, used functional MRI to examine brain activity and behavior across four tasks in three conditions. Consistency was found in brain regions and b...
A one-year study found that increased concentrations of fine particulate matter (PM2.5) and lower ventilation rates were associated with slower response times and reduced accuracy on cognitive tests, affecting employees' productivity.
Researchers at the University of California, Davis, have developed a new model for solving abstract problems by utilizing internal cognitive maps. The study found that humans can mentally reconstruct complex social networks and use these maps to make decisions, even with limited information.
A new study found that a next-generation brain implant for treating refractory epilepsy does not induce changes to patients' personalities or self-perceptions. The study follows 12 patients and their family caregivers over two years, providing reassurance for patients implanted with this device.
A UNSW psychology researcher recommends a set of neurocognitive and mental health questionnaires to harmonize the assessment of long COVID patients. These tests can be used internationally and in various cultural settings to address key questions about the problem, including brain fog and dementia risks.
A study by Anglia Ruskin University found that weaker internal connections between the brain and organs are linked to negative body image. Adults with less efficient brains at detecting internal messages are more likely to experience body shame and weight preoccupation.
Researchers developed a customisable time tool, the Goldilocks Day calculator, to help parents allocate hours and activities for optimal health outcomes. The tool considers physical health, cognitive abilities, and mental wellbeing, allowing parents to adjust daily schedules based on their child's needs.
Research found a strong correlation between Aβ42 peptide levels in companion dog brains and cognitive decline, supporting the use of dogs as models for Alzheimer's disease. The study's results demonstrate the potential of canine cognitive dysfunction as a tool for understanding human aging and age-related diseases.
Researchers reviewed 79 studies on neurocognitive impairments and brain abnormalities associated with nonfatal opioid overdoses in humans. The findings suggest a link between overdose, cognitive impairment, and brain changes, which could influence attention span, memory, and executive function.
Adolescents in the US showed stable overall drug use rates during the first six months of the COVID-19 pandemic, but nicotine and prescription misuse increased, while alcohol use decreased. The study monitored 7,842 adolescents and found heightened stress, depression, and anxiety associated with youth substance abuse.
Researchers from Carnegie Mellon University and the University of Pittsburgh conducted a study on three Rhesus monkeys, finding that their performance declined by up to 25% when offered a jackpot reward. The team also discovered a link between sensory motor processing and emotional processing in the monkeys' brains.
Chronic light exposure disrupts circadian rhythms in rats, leading to memory deficits and amyloid β accumulation similar to Alzheimer's disease. Fluoxetine treatment prevents these effects, suggesting a potential therapeutic strategy.
Researchers from Kessler Foundation found that cognitive rehabilitation programs are effective in treating multiple sclerosis-related cognitive dysfunction. Behavioral interventions such as restorative and compensatory approaches improve cognition and daily life functioning.
A study on red junglefowl chicks found that early experiences can affect impulsivity, contradicting initial expectations. The researchers also discovered a link between gene expression and impulsivity, suggesting that genetic factors contribute to individual differences in impulsive behavior.
Research suggests that people with mentally stimulating jobs have a lower risk of dementia in old age compared to those with non-stimulating jobs. Cognitive stimulation is associated with lower levels of proteins that may prevent brain cells from forming new connections.
A new UCLA-led study reveals how gut microbes can worsen cognitive impairment in mice by targeting the hippocampus, a crucial brain region for memory and learning. The researchers found that Bilophila wadsworthia bacteria increased in mice fed a ketogenic diet under conditions of oxygen deprivation.
A new study shows that having someone available to listen can improve cognitive resilience and reduce the risk of cognitive decline. The study found that individuals with higher listener availability had better cognitive function despite similar physical aging or disease-related changes.
A study of over 200 individuals with autism spectrum disorder (ASD) found key differences in their fine motor control and eye movements compared to neurotypical peers. The research highlights the importance of considering multiple systems, including feedback and feed-forward systems, in understanding sensorimotor deficits in ASD.
Research found that COVID-19 patients with more severe symptoms scored lower on reasoning and problem-solving tasks. Cognitive deficits were greatest in those receiving mechanical ventilation, similar to average decline seen over a decade of ageing.
A 17-year study found that children who experienced poverty in preschool had smaller volumes of certain subcortical brain regions, including the hippocampus and thalamus. The researchers also found that these children showed slower growth in these regions over time, leading to poorer cognitive and behavioral outcomes in adulthood.
In a study published in Animal Behaviour, Claire Hemingway found that fruit-eating bats prefer two over one option, but are swayed by the third choice. This suggests that diet and environment play a significant role in shaping their decision-making processes.
A new study demonstrates that artificial intelligence networks based on human brain connectivity can perform cognitive tasks efficiently. Researchers created a brain connectivity pattern and applied it to an artificial neural network, which performed cognitive memory tasks more flexibly and efficiently than other benchmark architectures.
The University of North Florida will lead a six-site study using computerized cognitive training to improve cognition and potentially prevent dementia. The five-year study aims to recruit 1001 participants from the Jacksonville area, with a focus on African American and Hispanic populations.
Researchers identified a genetic mutation in nonhuman primates that closely resembles Pelizaeus-Merzbacher disease, a rare and progressive disorder affecting the central nervous system. The discovery was made possible by a massive genomic database built at OHSU's Oregon National Primate Research Center.
A Duke University study found that combining risk data with an imagination exercise helps participants make more realistic decisions about their own risky behaviors. The intervention, now integrated into a publicly accessible data dashboard, aims to improve public health decisions during the pandemic.
A new study published in the Social Bulletin of Psychology found that right-wing authoritarianism is more closely tied to how people acquire positive attitudes than changing them. The researchers suggest that individuals with RWA tend to be more sensitive to negative information, leading them to stick to positive information and avoid ...
Researchers have discovered the amygdala's role in pre-attentive mechanisms, shedding light on its connection to schizophrenia and other disorders. The study found that activating brain stem inhibitory neurons via the amygdala is crucial for startle inhibition.
Researchers found that cardiometabolic abnormality, such as hypertension and high cholesterol, were more strongly associated with cognitive function and decline than obesity alone. Individuals with obesity and cardiometabolic abnormality had lower performance results on testing and greater cognitive decline.
A phase 2 study found that riluzole slowed brain metabolic decline and improved cognitive performance in patients with mild Alzheimer's disease. The drug targets glutamate dysregulation thought to contribute to the development of Alzheimer's.
Neuroscientists at Kyoto University have discovered brain networks that connect anxiety to pessimistic decision-making. The pregenual ACC, a middle layer of the brain, plays a key role in integrating feelings with rational thinking and is linked to avoidance and pessimistic decision-making.
Researchers have discovered a link between cognitive decline and faster bone loss in women, increasing future fracture risk. Cognitive decline over five years was associated with a 1.7-fold increase in fracture risk in subsequent 10 years.
Researchers at the University of Waterloo found that people who experience intense boredom frequently in everyday life may seek 'flow' by playing smartphone games to escape their feelings. This 'boredom fix' can lead to negative consequences and excessive gaming, ultimately increasing depression.
A recent study by the Max Planck Institute for Human Development found that spending time outdoors positively affects brain structure and gray matter in the right dorsolateral-prefrontal cortex. This area is involved in planning, regulation of actions, and cognitive control. The results persist even when other factors are kept constant.
A study of 1,978 people with an average age of 80 found that those who engaged in cognitively stimulating activities such as reading and playing card games delayed the onset of Alzheimer's dementia by up to five years. The research suggests that it may be beneficial to start doing these things, even in your 80s.
Researchers discovered a link between theta rhythm of the brain and gender differences in attitudes towards risk. The study found that men showed a higher risk appetite than women, with stronger frontal theta asymmetry and oscillations in the anterior cingulate cortex correlating with risk-taking behavior.
A recent meta-analysis found that acute aerobic exercise temporarily improves cognitive performance. However, approximately 50% of studies failed to show a link between the two. The analysis revealed that benefits were greater in those with lower pre-test scores and were more generalized across different types of cognitive performance.
Researchers found that lisdexamfetamine reduced symptoms of sluggish cognitive tempo by 30% and improved ADHD symptoms by over 40%. The study suggests that the treatment may also address executive brain function deficits, prioritization skills, and procrastination.