Articles tagged with Behavioral Neuroscience
Researchers have created the first-ever map of a single animal's early visual system, reconstructing it from the eyes to neurons in a tiny parasitic wasp. The study reveals complex behaviors such as flight in an insect with just 8,600 cells compared to the human brain's 171 billion.
A single neuron in C. elegans worm uses multiple neurotransmitters to control egg-laying and locomotion, demonstrating the ability to 'borrow' serotonin from other neurons. The study reveals how a single neuron can influence complex behaviors over multiple timescales.
Researchers found that participants preferred 60-70 options from ChatGPT, citing high perceived accuracy and increased intent to purchase. This contradicts traditional choice overload theories, highlighting the impact of personalized recommendations on consumer decision-making.
Researchers studied fruit flies to understand how their brains assign value to rewards, finding that expectations play a crucial role in decision-making. By observing the flies' behavior, the team pinpointed the site in the brain where these value adjustments are made, enabling them to test a theoretical framework on neural circuits.
A new editorial addresses clinician burnout by proposing a unifying systems medicine model that incorporates biological, psychological, environmental, and consciousness factors. The authors suggest that Transcendental Meditation can enhance resilience and prevent burnout-related mind-body conditions.
Researchers at Imperial College London found that specific brain cells in the prefrontal cortex trigger mice to prepare for bed when tired, a behavior likely shared with humans. This hard-wired survival feature suggests that humans should prioritize sleep hygiene to maintain good health.
A new study in rodents reveals that infant cries prompt the release of oxytocin, a brain chemical controlling breast milk, in mothers. The study shows how sound information travels to the brain, triggering the hormone release, which continues for around five minutes.
A recent study found that dopamine release makes decisions faster but tends to be less accurate. Researchers analyzed response times to understand the role of dopamine in decision-making processes, revealing a speed-accuracy trade-off.
The Open Encyclopedia of Cognitive Science (OECS) is a dynamic web reference that will equip readers with essential tools to grapple with the profound implications of cognition and intelligence in today's society. With generous funding from James S. McDonnell Foundation and the Allen Institute for AI, the first set of articles will be ...
A new study suggests that transcranial ultrasound stimulation can be used to change specific types of activity within the brain, paving the way for targeted treatments of mental health conditions. The research found that TUS induced significant changes in GABA concentration and altered communication between brain regions.
A new study uses brain imaging to explore the neural underpinnings of uncertainty processing in OCD, finding that patients struggle with certainty and decision-making, particularly when outcomes are more certain. This understanding may offer new hope for developing therapies targeting uncertainty processing in OCD.
Researchers used a new analytical approach to understand how the brain controls movement and eye stability in zebrafish. By analyzing neuronal activity, they identified two main features that correspond to specific types of movements, including eye rotation and body positioning.
Researchers at UCSF Health found a way to help teens adjust to their natural sleep-cycle rhythms while fulfilling school responsibilities. The Transdiagnostic Sleep and Circadian Intervention showed significant improvements in depression symptoms, especially among night-owl adolescents.
Researchers found that insects like American cockroaches use the mushroom body to encode behavioral decision-making based on sensory information. The study challenges the prevailing view of insect cognition, suggesting a more complex brain function than previously thought.
A new study by University of Rhode Island Professor Jaime Ross found microplastics infiltrate all systems of the body, causing behavioral changes and potentially leading to serious health consequences, including Alzheimer's disease. The researchers discovered microplastics accumulate in every organ, including the brain, and alter immun...
A neglected brain region has been identified as a key player in addiction recovery. The supplementary motor cortex was found to be hyperexcitable in individuals with cocaine use disorders, even after withdrawal periods of 45 days. This discovery may lead to new treatment approaches using transcranial magnetic stimulation.
A team of scientists has developed a rigorous accounting of the neurons in the tiny brain of a humble C. elegans worm, mapping out how its brain cells encode essential behaviors such as movement and feeding. The atlas reveals the underlying logic of how the worm's brain produces a sophisticated repertoire of behaviors, even as environm...
A Penn State-led research team discovered that somatostatin signaling acts to dampen communication among cell types in the prefrontal cortex, promoting exploratory and risk-taking-like behavior. The findings suggest that somatostatin fine-tunes circuits to promote certain behaviors, including decision making.
A new study found that high-stress caregivers had higher klotho levels and longer telomeres in specific immune cells, which may provide protection against aging. In contrast, low-stress caregivers showed no significant associations between klotho levels and telomere length.
Researchers used machine learning algorithms to analyze brain imaging data and identify changes associated with autism spectrum disorder. The study found that the methodology could determine ASD diagnosis with above 95% accuracy, highlighting potential for improved diagnostic methods.
Researchers have discovered that gene therapy may prevent relapse in patients with serious alcohol addiction by altering dopamine function in the brain's mesolimbic reward pathway. The treatment involves sustained release of glial-derived neurotrophic factor (GDNF) in a specific region of the brain.
A study by Osaka Metropolitan University found that working in a shared space while performing craft activities boosts parasympathetic activity, leading to relaxation. The parallel group condition showed higher parasympathetic activity compared to the individual alone condition.
A study published in Neuron found that a structure in rat brains called the periaqueductal gray is essential for play and laughter. The researchers used tickling to simulate playful environments and measured brain activity, finding strong neural responses to both tickling and playing.
A Nagoya University research team discovered two distinct thermosensory pathways in the brain that transmit temperature information to different areas of the forebrain. Blocking one pathway was found to impair a rat's ability to avoid heat, while blocking another impaired its ability to avoid cold.
In a new study, Salk Institute scientists discovered that dopamine regulates anxious worm behavior in the presence of nipping predators. The findings illuminate how this dopamine-regulated brain pathway may be related to anxiety and could provide insight into human conditions like PTSD.
A team of researchers from Kyoto University and international institutions has developed a mathematical solution to the temporal asymmetry of nonequilibrium disordered Ising networks. This breakthrough offers insights into the behavior of biological systems, machine learning, and AI tools.
Cuttlefish use a highly flexible and dynamic system to change color and texture, with the ability to display a rich variety of skin patterns and adapt to both natural and artificial backgrounds. The study found that cuttlefish continuously receive feedback about their skin pattern and adjust it in real-time.
Researchers discovered that octopuses transition between quiet and active stages of sleep, with the latter resembling neural activity seen when awake. This active stage may be essential for octopus function and potentially related to dreaming.
Scientists found that drinking coffee increases connectivity in higher visual networks and executive control regions of the brain, leading to improved alertness and cognitive performance. In contrast, taking only caffeine did not replicate these effects, suggesting that the experience of drinking coffee plays a crucial role.
A recent study by the Hebrew University of Jerusalem has unveiled crucial insights into the brain's ability to regulate fentanyl consumption. The research discovered that claustral neurons can modulate fentanyl intake, suggesting a potential target for intervention in fentanyl addiction.
A study by University of Alabama at Birmingham researcher Minae Niwa found that adolescent psychosocial stress, combined with pregnancy and delivery, causes hypofunction of a key neural circuit. This altered circuitry leads to abnormal social behavior in postpartum women, including reduced interaction time with familiar mice.
Higher testosterone levels during adolescence enhance emotion control, but decrease in young adulthood; the study suggests a shift in testosterone's role across developmental periods. The findings may be related to mood disorders that arise during adolescence.
Researchers used fMRI to analyze brain activity in response to restaurant menu photos, finding a correlation between neural activity and dish sales. The study suggests restaurants can design menus based on predicted consumer preferences.
A study published in Brain and Behavior found that humor therapy reduced symptoms of depression and anxiety in participants from various countries. The analysis included 2,964 participants and nine different countries, suggesting that humor therapy may be a feasible complementary alternative for clinicians, nurses, and patients.
Researchers found that bumblebees use both vision and smell to navigate, with scent marks playing a crucial role in pinpointing the nest entrance in visually ambiguous situations. In experiments, bumblebees overwhelmingly focused on locations suggested by scent marks when visual landmarks were conflicting.
A study published in Cell Press reveals that ants have a dedicated brain region that processes alarm pheromones, triggering panic responses and colony-wide behavior changes. Researchers used GCaMP to scan the brain activity of clonal raider ants exposed to danger signals, finding a specific section lit up in response.
A University of Ottawa team has discovered a vital role for the VGLUT3 transporter protein in modulating the development of Huntington's disease. The study shows that blocking glutamate release through this protein can lead to an amelioration of the disease progression, offering new hope for potential treatment approaches.
A new study in mice reveals that a middle-brain region controls aggression towards young animals, while another region promotes maternal behavior. The findings suggest that the brain mechanism behind infanticide by women may be similar to that in males.
Researchers at the University of Utah Health have made a groundbreaking discovery about the role of microglia in controlling anxiety-related behaviors. The study found that specific microglia populations activate anxiety behaviors while others dampen them, and these cells communicate with neurons to invoke behaviors.
Researchers at the University of Rochester Medical Center found that predicting movement is crucial for eye-and-hand coordination. The study used high-speed cameras and AI methods to analyze primate behavior and developed a detailed model of vision-guided reaching behavior.
Adolescent neurostimulation of dopamine circuitry may reverse genetic deficits in frontal cortex function, rescuing structural and behavioral deficits caused by disorders. Researchers identified critical windows in brain development where interventions can target and change the course of diseases.
Researchers observe 'social motor entrainment' in macaques, where movements synchronize with others, and find it varies by animal pairs, social hierarchy, and stimulus type. This study provides insights into the neural underpinnings of social cohesion and has implications for understanding human conditions like autism spectrum disorder.
Researchers used EEG to study consumer behavior and found that men are willing to pay more for premium chocolate, especially if it's expensive. The study also showed that packaging can influence willingness to pay, with well-known brands increasing prices by 9.9%.
Researchers have identified a novel model and therapy to mitigate the development of REM sleep behavior disorder, which affects over 3 million Americans. Dual orexin receptor antagonists have been shown to significantly reduce dream enactment behaviors, providing a promising new treatment option.
A study found that mice lacking a specific gene make different decisions, repeating a behavior sequence and reducing second-guessing. The research implies genes can bias decision-making, even for seemingly irrational choices.
A new study found that neurons in a key brain region have different functions based on their genetic identity, which could lead to better understanding of the brain's computational flexibility and memory capacity. The diversity of neurons in the CA1 region of the hippocampus was previously unknown and is crucial for memory development.
Researchers have developed a new method to study ant brain chemistry, revealing differences in neuropeptide distribution between two species. The approach integrates 3D chemical data with high-definition anatomical models, providing unbiased visualization of neurochemistry.
Mosquitoes use human body odor to find hosts over long distances, with specific airborne components making some people more attractive than others. Researchers found that carboxylic acids and eucalyptol are key contributors to this attraction, with varying levels affecting mosquito choosiness.
A new study from Baylor University's Sleep Neuroscience and Cognition Laboratory reveals that chronotypes can fluctuate across a semester, with evening-type students showing worse sleep quality and duration. Engaging in healthier daytime behaviors can lead to better sleep, improving daytime life and academic success.
Researchers at UMass Chan Medical School identified the Bmal1 gene as a crucial regulator of circatidal behavior in P. hawaiensis, establishing a molecular link between circadian and circatidal clocks. The study provides new insights into the genetics underlying circatidal rhythms.
The study found that vaccine type significantly impacts the immune response to COVID-19, with Pfizer and Moderna offering a stronger antibody response than Johnson & Johnson. Age, sex, BMI, and smoking status also affect vaccine effectiveness, with smokers experiencing a 240% lower response.
KNT-127 exhibits anti-stressing and anti-depressant effects in mice, improving social interaction and reducing stress-induced hormone levels. The agent suppresses neuronal inflammation and newborn death without affecting neurogenesis.
Researchers found that right hippocampal theta power hierarchically encodes the distance between current position and goal destination. The study used intracranial electroencephalography recordings from epilepsy patients performing a virtual navigation task.
Researchers discovered that sleep spindles can alleviate anxiety in people with post-traumatic stress disorder (PTSD), contradicting recent findings. The study found that spindle rate frequency was higher during a stressful visit than a control visit, suggesting non-invasive ways to harness the benefits of this sleep stage for symptom ...
Researchers at Sainsbury Wellcome Centre found that instinctual exploratory runs enable mice to learn a map of the world efficiently. The study demonstrates how biological brains can learn faster and more efficiently than AI agents by focusing on salient objects.
The AChemS meeting brings together scientists to understand the fundamental mechanisms of chemosensory systems and their impact on behavior. Key findings include presentations on learning and memory in the chemical senses and physiology of extraoral taste receptors.
A new study found that emotion-focused therapy increased activation and connectivity of the amygdala in patients with bipolar disorder, leading to improved emotion processing. In contrast, cognitive-behavioral therapy showed increased activation of brain regions related to social function but not altered amygdala activity.
A recent study published in NeuroImage found that older adults with improved cognitive performance during dual-task walking had flexible neural resource allocation. This discovery suggests a potential method for tracking brain health and identifying individuals at risk of aging-related cognitive decline.
Despite emotional challenges like negative affect and fatigue, response inhibition can enhance divergent thinking by partially mediating the relationship between emotional states and creative potential. Frustration, when handled differently, can be a catalyst for invention and creativity.
Researchers at UCLA Health discovered that astrocytes, traditionally considered the brain's support system, are involved in obsessive-compulsive disorder-related behaviors. The study suggests that targeting both neurons and astrocytes may be effective for OCD treatment.