Articles tagged with Behavioral Neuroscience
Researchers found that GLP-1, a diabetes medication, reduces drinking behavior and increases water intake in rats. This study raises awareness for diabetics who are already at risk for dehydration.
Scientists have discovered that dragonflies employ a sophisticated system of movement and prediction to catch their prey. By analyzing the intricate movements of their heads and bodies, researchers found that dragonflies use internal models to guide their behavior and anticipate the movements of their prey.
Scientists have developed a mathematical theory based on roundworm foraging that predicts how animals decide to switch from localized to very broad searching. The theory could explain animal behavior in a more unified way, including attention deficit hyperactivity disorder (ADHD) and extraterrestrial behavior.
Research reveals that frontal brain systems and structural connections are disrupted in individuals who attempt suicide, leading to weaker connections between the prefrontal cortex and amygdala. This study provides an important first step in understanding the neurobiology of suicidal thoughts and behaviors.
A new wireless brain sensor enables researchers to study neural circuit activity in animal models without cables or wires. The device transmits rich neuroscientifically meaningful signals from the brain during sleep, wake, and exercise.
A Yale study challenges conventional wisdom by finding that explaining mental disorders through biological factors decreases empathy from therapists and psychiatrists. The researchers argue that this approach can be dehumanizing, reducing people to mere biological mechanisms.
A study by Brigham Young University researchers found that people say they care about online security but behave otherwise, ignoring malware warnings. Brain data is a better predictor of security behavior than self-response, suggesting a need to fortify the 'weakest link' in security.
A high-fructose diet during adolescence can exacerbate depressive-like behavior and alter the brain's response to stress. The study found that rats on a high-fructose diet had an altered stress hormone response and changed genetic pathways associated with stress regulation.
A new analysis from a long-term study of over 1,000 New Zealanders found a strong relationship between low credit scores and poor cardiovascular health. The study also suggests that personal attributes such as self-control, planning ahead, and perseverance can predict both better financial status and better health.
Researchers studied adolescents' brain connections, impulsivity, and sugar intake to understand the risk of alcohol use and abuse. The findings suggest that reduced executive cognitive functioning and impaired connectivity in key brain networks may contribute to risky behaviors.
A team at Cold Spring Harbor Laboratory discovered a population of neurons that can process multiple behaviors at once, blurring the lines of specialization. This finding raises questions about how information is encoded in the brain and may lead to new approaches in understanding cognition and mental disorders.
Researchers at the University of Michigan have discovered that a single neuron in C. elegans can regulate both speed and direction of movement, routing information through multiple downstream neural circuits. This fundamental biological mechanism has implications for understanding human brain function.
Eiman Azim won the 2014 Eppendorf & Science Prize for his research on neural circuits controlling skilled movement. He identified two separate spinal cord pathways that enable rapid updates and regulation of movements.
A new study found that walking workstations significantly improve both physical and mental well-being during work hours. Participants showed increased satisfaction and reduced stress, boredom, and weight-related issues despite having varying levels of exercise habits or body mass index.
Researchers found that zebra finch pairs utilize their innate calls for bonding and cohesion, with brain activity correlating to these calls. This suggests an evolution of songbirds' brain regions from simple vocalization systems to specialized networks for learned songs.
The Brain & Behavior Research Foundation honored Herbert Pardes with its inaugural Humanitarian Prize for his significant contributions to the field of mental health. The prize recognizes Dr. Pardes' tireless work in education, prevention, treatment, and advocacy, as well as his championing of empathic healthcare.
A recent study published in Biological Psychiatry found that infants' preference for human faces over objects is associated with reduced callous and unemotional behaviors in toddlerhood. The research also showed that mother-child interactions during playtime can influence a child's emotional development.
A team of researchers has successfully recorded sight neurons in a jumping spider's brain for the first time. The study reveals that jumping spiders use different sets of eyes to process acuity and motion, requiring integration of inputs from multiple eyes in the brain.
A groundbreaking study led by Brunel University London found that in modern, urbanized societies, people prefer highly feminine women and highly masculine men. The research challenged the theory of social and sexual selection, suggesting that this preference is an urban habit rather than a long-standing tradition.
A new study by Yale School of Medicine researchers has found that about 20% of younger siblings of children with Autism Spectrum Disorder (ASD) will develop the condition by age 3. The study identified specific social-communicative behaviors at 18 months that distinguish infants with ASD from their peers.
UC Riverside researchers are investigating the mechanisms of auditory hypersensitivity in Fragile X syndrome (FXS), a genetic disorder that affects social impairments, repetitive behaviors, and cognitive deficits. The study aims to identify underlying neural mechanisms and develop new therapeutic targets for FXS and autism.
Two UC San Diego professors, David Braff and Gregory Light, have been recognized for their contributions to schizophrenia research. They developed innovative methods to identify biomarkers and create new psychosocial and pharmaceutical therapies for the disorder.
A recent study by McMaster University found that only 40% of Canadians engage in exercise as a coping mechanism for stress. Younger, single, more educated, and active adults are more likely to use exercise to relieve stress.
Scientists developed a new statistical method to track the continuous changes in wakefulness during sleep onset, identifying healthy subjects who behave as though awake despite being clinically asleep. The study suggests that understanding how one falls asleep is crucial for improving sleep diagnosis and treatment.
Researchers at Caltech have developed a new tool that uses genetic engineering and light to visualize and map neural networks in living organisms. The tool, which detects changes in membrane voltage, allows for real-time observation of neuronal activity and its effects on behavior.
A first-of-its-kind study on nicotine addiction found that nicotine withdrawal similarly reduced reward responsiveness in human smokers and nicotine-treated rats, particularly those with a history of depression. The study's findings have implications for developing new treatments to aid smokers in quitting.
Researchers at Yale School of Medicine discovered that the volume of the parietal cortex in the brain can predict where people fall on the risk-taking spectrum. The study found that individuals with larger volume in this part of the brain were willing to take more risks.
Researchers found that the dorsolateral prefrontal cortex plays a causal role in enabling honest behavior, suggesting a tradeoff between self-interest and integrity. Participants with damaged areas showed less aversion to lying, but still preferred honesty in certain situations.
Brown University neuroscientists report that they have directly controlled the cells producing gamma brainwaves in mice, resulting in increased touch sensitivity. The study confirms the first direct evidence of gamma brainwaves affecting perception and attention, suggesting a more complex role for these brainwaves than previously thought.
Research at the Center for BrainHealth found that risk-taking teens exhibit hyperconnectivity between the amygdala and prefrontal cortex, indicating an imbalance in emotional regulation. This imbalance may be associated with increased activity in the nucleus accumbens, a center linked to reward sensitivity.
Researchers developed flyPAD technology to monitor fruit flies' feeding behavior, finding that they eat by rhythmically extending their proboscis in a stereotyped fashion. The study also shows that the way flies adapt to starvation is similar to how mammals do it.
The LSU Health Sciences Center New Orleans School of Nursing has received a $1.05 million grant to train healthcare teams in recognizing risks associated with PTSD, depression, and TBI in veterans undergoing surgery. The project aims to improve care for military veterans and diverse populations with behavioral health disorders.
The Brain & Behavior Research Foundation recognized six exceptional young scientists with the 2014 Klerman and Freedman Prizes for their innovative research on mental health. The winners were awarded for their work using neuroimaging to identify the biological roots of major mental illness, as well as their discoveries on the genetic m...
Researchers have linked autistic behaviors in Fragile X syndrome to the MMP-9 enzyme, which can be targeted therapeutically. The study found that deleting MMP-9 favorably impacts behaviors associated with FXS, offering new hope for treating the disorder.
Researchers found that increased impulsive behavior in children is associated with altered brain connections, particularly in the posterior cingulate cortex and right angular gyrus. These changes can serve as biological indicators for predicting behavioral problems and social adaptation difficulties.
Researchers advocate for a new discipline combining benefits of neuroscience and psychology treatments to address mental disorders. The 'mental health science' approach aims to uncover mechanisms of existing psychological treatments and leverage neuroscience insights to create improved therapies.
A study by Yale University researchers found that obese women were impaired in learning associations between food cues and rewards, but normal-weight individuals and men did not show the same impairment. This suggests a specific behavioral intervention targeting food-specific learning impairments may be effective in treating obesity.
Researchers discovered that hidden differences in neural circuits can account for varying responses to brain injury. The study used sea slugs and found that artificially rewiring the neural circuit made some animals susceptible or invulnerable to injury.
A study by Georgia State University researchers found that subtle variations in neural connections can impact behavior and susceptibility to brain injury. The findings have significant implications for predicting patient outcomes and tailoring treatments.
Researchers at Brown University studied tadpoles' neural signals to understand how they detect approaching visual stimuli. They found that the tectum region of the brain plays a crucial role in distinguishing impending collisions from mere presence, with inhibitory neurons acting as facilitators of network function.
A European teen imaging study has identified 40 predictor variables, including genetics, brain function, and personality, that can predict teenage binge-drinking with 70% accuracy. The study found that having a family history of drug use, sensation-seeking traits, and impulsivity were among the key predictors.
A new smartphone-based system detects changes in patients' behavioral patterns and transmits them to professionals in real time, facilitating patient observation and improving clinical psychiatry. The technology has the potential to greatly improve response time and efficacy of clinical psychiatrists.
Elsevier has launched a new review journal focused on behavioral sciences, providing updates on the field through educational forums. The journal will co-edited by Professors Trevor Robbins and Cindy Lustig, showcasing novel breakthroughs and significant trends.
A new study reveals a correlation between unhappy marital interactions and a higher risk of cardiovascular disease, as well as thicker carotid arteries. The research found that individuals with positive marital interactions had an 8.5% greater risk of heart attack or stroke.
Exposure to neuroscientific information diminishes people's support for retributive punishment and perceived moral responsibility. Students who learned about brain processes proposed less severe punishment than their peers, indicating a shift in moral attributions.
Smokers who struggle to quit may have weaker response to rewards in their brains, making it harder to overcome nicotine addiction. Researchers used fMRI to study the striatal response to monetary reward in smokers expecting to smoke and those not planning to do so.
New research reveals how a quick-escape circuit in the fly's brain overrides slower behavior when an urgent threat is detected. Flies can choose between long and short escapes, with quicker escapes often resulting in clumsier movements.
Researchers at the University of Minnesota found that rats were willing to wait longer for certain flavors, indicating individual preferences. The study suggests that regret is a fundamental cognitive process shared among mammals.
Researchers at Yale School of Medicine discovered that leptin affects not only brain cells called neurons but also other types of cells involved in appetite regulation. This finding could lead to the development of new treatments for metabolic disorders such as obesity and diabetes.
A study found that observing e-cigarette use increases young adult smokers' desire to smoke both combustible and e-cigarettes. The study suggests a need for policy attention on the secondary effects of e-cigarette use on observers.
A new study has shed light on the role of dopamine-dependent reinforcement signals in the nucleus accumbens, a region connected to pleasure seeking and drug addiction. The research, using optogenetics, reveals how glutamate-dependent signals from other brain regions interact with these signals.
In a study published in Science, researchers found that fruit flies accumulate information before making decisions, suggesting a level of intelligence. The study identified a key gene, FoxP, involved in this process, which may also be linked to human cognitive development and language abilities.
A new study by Sam Houston State University found that gang members are twice as likely to become both victims and offenders of a crime than non-gang members. The study suggests that gang membership is a common source of both forms of violence, with group processes and norms facilitating trading places between victim and offender.
Drs. Brian E Chen and Stephanie L Borgland were awarded the CAN Young Investigator Award for their innovative work in neuroscience, with Dr. Chen studying brain wiring encoded in DNA and Dr. Borgland exploring neural mechanisms behind addiction and obesity.
A stress-diathesis theory explains why only a small minority of individuals are at risk of suicidal behavior after exposure to stressful life experiences. Biomarkers based on genetic effects and brain imaging may help detect high-risk individuals.
Researchers found that pain from inflammation reduces sexual motivation in female mice, but has no effect on male mice. Female mice spend less time with a partner and exhibit reduced sexual behavior when in pain.
A study found that teenage drivers with a higher response to stress, as measured by cortisol levels, had lower crash and near-crash rates. Cortisol levels were measured at baseline and over time from saliva samples, and in-vehicle cameras and sensors allowed continuous observation of driving.
Research reveals that Chinese ethnicity is a stronger factor than culture in determining eye movement patterns, contrary to previous reports. The study found that similar numbers of British Chinese and mainland Chinese participants made high numbers of express saccades.
The BRAIN Initiative aims to map all cell types in the brain, develop methods for large-scale recordings of neuronal activity, and advance computational methods to understand patterned neural activity. The ultimate goal is to shed light on disease processes and suggest new therapeutic approaches.
Researchers find the lateral habenula controls sensitivity to the negative effects of drinking alcohol, leading to increased drinking behavior when the region is inactivated. This study provides new insights into addictive behaviors and may help identify individuals at risk of becoming problem drinkers.