Articles tagged with Behavioral Neuroscience
A recent literature review suggests that adolescent risk-taking behavior is not due to a brain development deficit, but rather exploration and learning. The review highlights that most adolescents pass through this period without significant problems, while a smaller subset is at higher risk of unhealthy outcomes.
A mathematical model of embodied consciousness predicts states of consciousness and behavior, analyzing free energy and projective geometry. The model, developed by an international team of experts, has potential industrial applications in robotics, AI, and healthcare.
Research reveals that testosterone plays a crucial role in regulating canary birdsong by targeting specific brain regions involved in singing. The nucleus of the arcopallium (RA) regulates song unit production, while HVC influences syntactical features such as syllable repetition and trill duration.
Ryohei Yasuda, Scientific Director of MPFI, received the 2017 Nakaakira Tsukahara Memorial Prize for his groundbreaking work on synaptic plasticity. His research focuses on understanding the molecular mechanisms underlying neural circuit function and memory formation.
A study of age and crime statistics from Taiwan suggests that cultural factors, such as collectivist societies and parental supervision, may influence the age-crime relationship. The findings challenge the long-held assumption that biology drives teen criminal behavior, instead highlighting the importance of cultural influences.
Researchers at Duke-NUS Medical School have identified a critical role of spindle matrix proteins in regulating neural stem cell reactivation and proliferation. This discovery could lead to potential stem cell-based therapies for neurodevelopmental disorders, such as microcephaly and Alzheimer's disease.
The Cornell Neurotechnology NeuroNex Hub will develop new optical imaging tools for noninvasive recording of neural activity in animals, overcoming barriers to deep imaging and whole nervous system visualization. The hub aims to enable biologists to explore complex neuroscience questions, such as animal consciousness.
The National Science Foundation has awarded $17 million to develop innovative tools and partnerships for understanding the brain. The NeuroNex program will bring together researchers across disciplines to tackle the mysteries of the brain, with a focus on advancing theoretical frameworks and computational modeling.
Adults with autism tend to overestimate environmental changeability, reducing prior expectations' influence on behavior. This may contribute to sensory overload and social difficulties.
The Brain & Behavior Research Foundation recognizes six young researchers for their outstanding work in brain and behavior research, including Jennifer Felger and Ilana Witten. The awards support innovative ideas in neurobiological and psychosocial research to unlock mysteries of mental illness.
A Stanford study found that social forces can override genetically programmed behavior in male mice, triggering territorial rage in various situations. The researchers identified a specific nerve cell cluster that activates when a male mouse is left alone, leading to aggressive displays.
Researchers at University of California San Diego have identified key brain pathways tied to distinct depressive behaviors. The study found that modifying specific neural connections in mice led to improved behavioral changes, providing insight into the interaction between multiple brain areas in depression.
A new study reveals humans are hardwired to lean to the right when kissing, with men more likely to initiate and women receiving a mirrored response to avoid discomfort. The researchers propose that this bias may be linked to differences in hormone levels and neurotransmitters between brain hemispheres.
A team of researchers has created behavior anatomy maps in fruit flies to understand how specific brain circuits generate aggression, wing extension, or grooming behaviors. The data will help neurobiologists assign behaviors to neurons and study brain circuits.
A new study by UCR psychology professor Kelly Huffman found that prenatal ethanol exposure causes abnormalities in the brain and behavior that may be passed on for many generations. The research shows that drinking alcohol during pregnancy can lead to adverse outcomes in future grand- and even great-grandchildren, including reduced bod...
Researchers developed a model to explain human moral behavior in simulated scenarios, showing that machines can adopt human-like moral decision-making. The study has significant implications for self-driving cars and other autonomous systems, sparking debate about the role of morality in machine behavior.
Researchers identified distinct gut microbiota profiles associated with altered brain activity and emotional responses in healthy women. The Bacteroides group showed increased gray matter and hippocampal volume, while the Prevotella group exhibited reduced brain volumes and heightened negative emotions.
Studies in mice with a mutated CHD8 gene reveal cognitive impairment, increased brain volume, and excessive DNA packaging, shedding light on the genetic basis of autism. The findings suggest that CHD8 plays a role in brain development throughout life.
University of Iowa researchers examine the infralimbic cortex, a brain region controlling addictive behavior, and find it can be reprogrammed to ease drug urges. The study suggests silencing this region's neurons during withdrawal periods may prevent relapse, offering potential for new treatments.
Researchers have developed a new technique called Cal-Light to visualize and control neuronal activity. This tool allows for the observation of specific populations of cells implicated in particular behaviors, enabling precise manipulation and dissection of complex neural circuits.
In a recent study, researchers found that piglets exhibit differential exploratory behavior when presented with new toys. Females and 4-week-old piglets demonstrated better object recognition skills compared to males and 3-week-olds. The study's results have implications for future research on animal behavior and cognition.
A comprehensive review of rapidly changing data identified four neural-behavioral models associated with PTSD, pinpointing specific circuits in the brain that mediate between chemical changes and behavioral expressions. The study provides detailed tables to help healthcare providers recognize signs and symptoms of PTSD for diagnosis.
A new study published in The Journal of Neuroscience found that adolescent mice fed a poor diet lacking omega-3 fatty acids showed increased anxiety-like behavior and poorer memory performance as adults. The study suggests that adequate nutrition during adolescence is crucial for brain refinement and function.
Georgia State neuroscientists rewired the brain of one species to have the connections of another, finding distinct neural circuits underlying swimming behavior in two closely related sea slugs. The study's results suggest that behaviors can be conserved while their neural basis shifts over evolution.
Researchers at Texas A&M University found that brain damage from stroke can increase an individual's preference for alcohol over water. The study used animal models and suggested that the brain's response to a stroke may play a role in increasing alcohol-seeking behavior.
A high-fat diet from childhood may increase sensitivity to dopamine later in adulthood, leading to increased reward-seeking behavior. The study found that male rats exhibited increased locomotor activity and dopamine cell activity after a high-fat diet exposure.
The visual cortex develops until late 30s or early 40s, contradicting previous expectations that it matures in first few years of life. This discovery extends the timeline by 4.5 years, challenging current understanding of brain function and sensory areas development.
A study published in Journal of Clinical Oncology reveals that tai chi is an effective treatment for insomnia in breast cancer survivors, improving sleep health, depressive symptoms, and fatigue. The slow-moving meditation practice works just as well as cognitive behavioral therapy and better than medication.
A new Cornell University study has resolved the debate on brain evolution by determining that overall brain size accounts for most differences among vertebrate species. The research found that once a species evolves a larger brain, specialized neural networks develop in brain regions controlling specific behaviors.
Researchers found no difference between men and women in facial recognition abilities, challenging conventional wisdom that women excel in this area. Facial recognition is a crucial skill for social interactions and decision-making.
The University of Texas at Arlington won the 2017 Brain Bowl competition, showcasing expertise in neurophysiology, neuroanatomy, and behavioral neuroscience. The team's victory reflects UTA's leadership in neuroscience research.
The Society of Biological Psychiatry recognized the Simons Foundation with the 2017 Humanitarian Award for its leadership in decreasing stigma, advancing awareness, and contributing to research advancements. The $5,000 award prize was presented by Dr. Kerry Ressler on May 19, 2017.
Dr. Carolyn Rodriguez, a neuroscientist and clinical psychiatrist, received the award for her discovery of ketamine's rapid therapeutic effects on OCD symptoms, while Dr. Todd Gould was recognized for his work on ketamine's antidepressant effects in treating depression. The prestigious awards come with a $5,000 cash prize.
Karl Deisseroth received the inaugural Distinguished Redelsheimer Award for his transformative work on optogenetics and CLARITY, revolutionizing brain manipulation and visualization. His laboratory's advancements have significantly contributed to understanding how brain circuitry contributes to behavior in neuropsychiatric diseases.
The Society of Biological Psychiatry honored Dr. Stephen Strakowski with the 2017 George N. Thompson Award for his leadership and service to the organization. Dr. Strakowski, Inaugural Chair of Psychiatry at the University of Texas at Austin, was recognized for his contributions to promoting the welfare of SOBP.
A study of neuroscience papers from 2006-2015 reveals the most productive journals and contributing countries. Psychology and behavioral sciences have become popular research areas, while China's involvement has increased significantly, jumping from 11th to 2nd place in 2015.
Researchers found that brain stimulation increased honest behavior in people who experienced a moral conflict between material and moral interests. The stimulation mainly reduced cheating in those with strong moral inclinations, but did not affect decision-making process in those committed to maximizing earnings.
A Swedish registry study found that individuals who self-harm are at a five-fold risk of being convicted for a violent crime compared to those who have never received clinical care. Self-harm behaviour and violent criminality may be manifestations of a common underlying vulnerability.
Researchers at Max Planck Florida Institute for Neuroscience developed iTango, a light-sensitive technique to visualize and manipulate neuromodulation. The technique allows for increased spatial and temporal precision, enabling the identification of specific neurons impacted by neuromodulation and control over behavior.
Researchers found a circuit in the central amygdala that responds to rewarding events and stimulates reward-related behavior, contradicting the consensus that the structure is primarily linked with fear.
A new study by Wayne State University researchers suggests that brain networks at rest are potentiated for action. Using fMRI data, the team found increased network interactions from the SMA to the dACC during rest periods.
Patients with OCD have difficulty learning which stimulus is safe and vice versa due to impaired brain activity, specifically in the ventromedial prefrontal cortex. This cognitive inflexibility affects how they perceive threats under updated circumstances, making current exposure therapies less effective.
Researchers at Medical University of South Carolina have identified a brain circuit that inhibits automated behavior and is involved in smoking cessation. Smokers who successfully quit had lower BOLD responses in this circuit before attempting to quit.
A new UCL study suggests that people's brain tricks them into believing the low-hanging fruit is ripest when it requires minimal effort. The researchers found that adding load to one of the handles made participants avoid the more effortful response, changing their perception without awareness.
New research in adolescent rodents identifies under-expression of α4βδ-GABAA receptors as a risk factor for anorexia nervosa-like behavior. Boosting receptor activity may be a promising treatment strategy, addressing the high mortality rate of this mental illness.
Scientists have identified the central nucleus of the amygdala as the key brain region organizing the hunt, with two distinct neural networks controlling prey pursuit and capture. The findings provide novel details on the neural control of craniofacial muscles and may contribute to understanding pathologies affecting this region.
Researchers found that a single dose of ketamine administered one week before a stressful event can buffer against PTSD symptoms. The study suggests that prophylactic ketamine use might be beneficial for individuals highly likely to experience significant stressors.
Dr. Anne Murphy's research aims to improve pain management strategies for people aged 65 or older, who experience severe under-treatment of chronic pain. She will use a systems-level approach to investigate the impact of age on central opioidergic circuits.
A new UCLA-led study found that people's political affiliations significantly impact their perception of credible information about potential hazards. Conservatives were more likely to find false statements about threats believable than liberals. The research suggests that liberals are less likely to dismiss warnings, while conservativ...
Duke University researchers identified the caudate nucleus as the brain structure responsible for forming direct links between environmental stimuli and enhanced focus. By repeating exposure to specific faces, participants could trigger automatic focus and bypass distractions.
A new optogenetic tool has been developed to inhibit neural activity in the Drosophila model, allowing researchers to study the relationship between neural circuits and behavior. This breakthrough could accelerate the development of therapies for neurological and psychiatric disorders.
Researchers find a positive correlation between belief in free will and happiness among Chinese teenagers, contrasting with previous Western studies. The study suggests that believing in free will may lead to increased perceived autonomy, self-control, and deliberate effort to achieve goals, ultimately contributing to happiness.
A new study found that viewing vape pen use increases the urge to smoke in young adults, similar to watching someone smoke a cigarette. The study's results suggest that vape pens can be a potent trigger for smoking, despite their design differences from traditional cigarettes.
A study by University of Florida researchers found that people generally believe in free will despite physical constraints, and this belief influences their opinions on policy. The findings support the philosophy of libertarian paternalism, which balances individual freedom with gentle nudges towards better behavior.
A recent study published in Cell Reports reveals that microglia turnover is 10 times faster than previously thought, allowing for multiple renewal cycles throughout a person's life. This groundbreaking finding has significant implications for understanding the role of microglia in neurodegenerative diseases like Alzheimer's.
Researchers at Scripps Research Institute (TSRI) identify distinct neural ensembles controlling reward-seeking and suppression behaviors. The study sheds light on the brain's storage of opposing memories, a long-debated topic in neuroscience.
A study by UMass Amherst researchers found that bisphenol S (BPS) exposure during pregnancy and lactation impaired maternal behavior in mice, including increased infanticide rates. The compound also affected brain regions sensitive to estrogen, leading to changes in nesting behavior and care of offspring.
A new imaging genetics study has linked dopamine genes to music's impact on mood and emotions. The study found that a functional variation in the DRD2 gene affects how music influences mood states and brain activity.
Jörg Vogel, a leading RNA researcher, has been awarded the €2.5m Leibniz Prize for his seminal contribution to understanding regulatory RNA molecules in infection biology. His research could lead to new ways to fight pathogens.
Researchers found that drivers experience a period of adjustment when transitioning from autonomous to manual driving, affecting steering performance. The study highlights the importance of acknowledging this physical change and its potential impact on driving conditions.