Articles tagged with Human Behavior
Researchers discovered that stimulating environments preserve a young DNA methylation landscape in the aged mouse hippocampus, leading to greater neuroplasticity. This finding suggests that active lives may help preserve mental fitness in old age, with implications for human brain health and disease prevention.
A study by Brigham Young University found that individuals with dark triad personality traits and schadenfreude are more likely to engage in trolling behaviors. However, the research also suggests that civil online discourse is attainable when users approach online discussions with an open mind and mutual respect.
Researchers at Columbia University School of Engineering and Applied Science have developed a computer vision technique that enables machines to predict human behavior with higher accuracy. The algorithm leverages higher-level associations between people, animals, and objects to make more intuitive predictions about future actions, ope...
A recent study published in Neuron has identified the anterior cingulate cortex as a key brain region involved in linking actions to their outcomes. The finding sheds light on compulsive behaviors such as OCD and addiction, which are thought to result from impairments in this brain region.
Scientists at IBEC successfully controlled neuronal activity in the human brain using a light-responsive molecule named PAI. This breakthrough study demonstrates spatiotemporal control of brain state transitions, opening up new avenues for basic neuroscience research and potential brain therapies.
A study published in Science Advances found that vitamin D deficiency may increase the risk of opioid addiction and excessive sun-seeking behavior. Researchers discovered that modulating vitamin D levels can change addictive behaviors to both UV and opioids, and that patients with low vitamin D levels are more likely to use opioids.
The Brainlife.io platform uses cloud technologies to democratize neuroscience research, allowing scientists to process, visualize, and manage large amounts of data. The platform provides a suite of web services to support reproducible research, with over 1,600 scientists from around the world accessing it thus far.
Researchers used machine learning to test and improve long-stagnant theories of human decision-making by analyzing a large dataset of risky choices. The study found that deep neural networks could mimic human decisions with high accuracy, revealing underlying psychological properties of established behavioral theories.
Researchers found that neural replay of a newly learned skill occurred during waking rest periods, approximately 20 times faster than the actual behavior. Frequent replay events were associated with greater skill consolidation and improved performance.
A recent KAIST study revealed that the ventral striatum is a neural basis for our habitual seeking behavior, including addiction. The research found that long-term value memories are retained in the ventral striatum and guide automatic evaluations of objects based on positive values.
A new study led by Kumi Kuroda at RIKEN Center for Brain Science identified the calcitonin receptor as a crucial brain protein driving nurturing behaviors in mice. The research found that this protein motivates mothers to care for their infants, suppressing self-interest and risk-taking behaviors.
The Ecole de technologie superieure hosts two new research chairs on artificial intelligence applied to health. The chairs aim to train qualified personnel who can work in a field combining AI and healthcare. Researchers plan to develop algorithms that improve real-time assessment of patient status and reduce ICU readmission rates.
A new longitudinal study found that sleep health is related to observed classroom behavior and predicts future academic achievement among primarily Black children growing up in historically disinvested neighborhoods. Higher teacher-reported child sleepiness was associated with lower adaptive behaviors and higher behavior problems.
Research from Harvard John A. Paulson School of Engineering and Applied Sciences found that people changed their behavior in response to national guidelines during the COVID-19 pandemic, with a uniform rise in mobility across the country when the guidelines expired.
A subpopulation of neurons in the zona incerta drives investigatory and novelty-seeking behavior in mice. The discovery sheds light on a previously unknown brain circuit underlying innate curiosity.
A new AI model precisely replicates human touchscreen typing by simulating eye and finger movements, making it easier to optimize keyboard designs for better typing. The model can also account for different user types, including those with motor impairments, to develop personalized typing aids.
Researchers at the University of Houston discovered 'accelerousal,' a phenomenon describing stress triggered by acceleration events. Half of the participants exhibited heightened stress during stop-and-go periods, with 'accelaroused' drivers experiencing nearly 50% more stress and feeling more overloaded.
Researchers found that highly sensitive individuals' brains show activity suggesting depth of processing after emotionally evocative tasks. This trait is associated with a heightened appreciation of beauty and deeper bonds with others.
Researchers developed a technique to automatically search for simulation configurations that test various behaviors of automated driving systems. The proposed method uses evolutionary computation to discover configurations leading to specific features of driving behaviors, such as high acceleration and deceleration.
A Cornell University-led study found that when temperatures rise, people fish less often, but stocks of fish and other aquatic foods increase, leading to slightly larger catches. Factoring in human behavior is crucial for understanding climate change's effects on rural livelihoods and food access.
Researchers found that modulation of map-like representations in the brain's hippocampal formation can predict contextual memory retrieval in an ambiguous environment. The study used virtual reality navigation tasks to test human participants' ability to recall object positions in different contexts.
A team of experts used advanced modelling techniques to recreate the journey of Australia's indigenous people, who navigated the continent tens of thousands of years ago. The study reveals that prominent landscape features and water sources played a crucial role in their survival and growth.
Researchers analyzed 43 brain disorders using BrainMap database, finding striking overlap between disease-related co-alteration networks and functional networks involved in normal behaviors. The study suggests metabolic stress in high-traffic hubs as a key underlying cause of network-based degeneration.
Research on Roundup's neurological impact found that exposure prolonged seizure-like behavior in C. elegans, a microscopic worm with human genes. The study suggests potential risks for humans and has implications for environmental health.
A Johns Hopkins University study reveals that stories about pollution, such as a man's death from contaminated shellfish, increase willingness to buy eco-friendly products among Democrats by 17%, whereas it decreases their spending by 14%. In contrast, Republican participants showed no change or even decreased spending after hearing th...
Employees perceive prosocially motivated supervisors as fairer and are more likely to give them the benefit of the doubt, even when they make mistakes. Research from the University of Notre Dame found that supervisor motives impact fairness judgments and that focusing on prosocial motives can buffer the negative effects of low justice ...
Researchers at Osaka City University have developed a method to exfoliate materials using UV light, achieving the world's fastest rate of 260 microseconds. This breakthrough has the potential to revolutionize photoactuator production and enable precise manipulation in areas inaccessible to traditional power sources.
Researchers identified a single personality component related to Confidence/Aggressiveness in red deer, which is also linked to dominance behavior. The study's findings suggest that understanding individual differences in animal behavior can improve welfare management decisions.
A new Heidelberg-based computerized approach recognizes motor impairments and provides information about underlying diseases through artificial intelligence. The uBAM algorithm uses machine learning to analyze movement patterns, highlighting pathological deviations and aiding in diagnosis and treatment.
A new study found that family child care home providers with high diet self-efficacy can buffer the impact of stress on their diet quality. Those with low self-efficacy are negatively affected by stress and have a poorer diet quality.
Researchers led by Dr. Katrin Vogt found that fly larvae adjust their behavior in response to internal states and context, similar to human brains. The study, funded by the German Research Foundation and NIH, sheds light on how the brain controls sensory processing.
Researchers analyzed ancient Maya house remains to find a link between autocratic governance and wealth inequality. They found that societies with more collective governance had more similarly sized houses, indicating less wealth disparity.
A new study reveals that higher ghrelin levels in healthy females predict a greater preference for smaller immediate monetary rewards over larger delayed financial rewards. This indicates more impulsive choices, contradicting previous research findings in rodents suggesting a similar effect.
Research finds that people's reason for swiping right is primarily based on attractiveness and the race of a potential partner. Decisions are often made quickly, with only personality, approach style, or long-term goals mattering slightly.
A special supplement to the journal WORK explores the latest advances in comfort research, highlighting the importance of human behavior in determining comfort. The studies examined various factors, including the impact of posture, movement, and environmental conditions on comfort.
Researchers at OHSU discovered a correlation between gut microbiome composition and cognitive performance in mice with genes associated with Alzheimer's. The study suggests a relationship between microbes and epigenetic changes in the brain, potentially leading to new treatments for Alzheimer's.
Research found that post-pandemic tourism is influenced by a behavioral immune system, leading to increased nationalism, xenophobia, and avoidance of crowds. Tourists may choose familiar destinations over new ones, increasing destination loyalty. This could have long-term implications for businesses during the COVID-19 era.
Zebra finches select familiar nest materials when successful breeding, while less experienced birds experiment with new materials. This study challenges long-held assumptions about bird nesting behavior, showing that animals learn and modify their nests based on past experiences.
Mount Sinai researchers identified a neural pathway that detects errors and guides subsequent behavioral improvement, which is frequently dysregulated in psychiatric disorders. They also suggest that neurostimulation of this brain pathway could provide an important mechanism for attention adjustments following behavioral errors.
A new study reveals that a 42,000-year-old magnetic reversal led to significant changes in atmospheric ozone concentration and circulation. The event, known as the Laschamps excursion, caused substantial shifts in climate and environmental patterns worldwide.
Researchers found that human-as-machine representations can lead to unhealthy food choices among consumers with low confidence in their ability to make rational decisions. Adding reassuring messages can increase healthy food choice by 22%. The study highlights the need for a nuanced approach to public health strategies.
Researchers analyzed data from the Chicago Police Department and found that Black and Hispanic officers make fewer stops and arrests, use less force than white officers. Female officers also use less force than males. The study suggests increasing diversity in police departments may decrease police mistreatment of minority communities.
Researchers discovered how collective worm behavior helps blobs survive longer against desiccation and respond to temperature gradients and intense light. By studying the worms' movements and interactions, scientists gained insights into the principles of living systems that can be applied to human-designed swarm robots.
Researchers found that lead levels in songbirds' drinking water impaired their ability to produce normal vocalizations and attract mates. The study suggests that even low levels of lead can have negative effects on the brain and learning abilities of these birds.
Scientists have identified neurons responsible for rapidly stopping behaviors and actions in patients with Parkinson's disease. These 'stop signal neurons' are critical in canceling planned movements, a skill that is lost in the condition. The discovery has the potential to improve deep brain stimulation treatment outcomes.
A new study led by Salk Institute scientists identified a strain of E. coli bacteria that causes female mice to neglect their offspring when living in the gut. The research reveals a direct link between the particular microbe and maternal behavior, adding to growing evidence that microbes in the gut affect brain health and development.
Aarhus University researcher Kasper Vita Kristensen is investigating indoor air chemicals, which affect health, productivity, and learning. His project aims to identify chemical sources, processes, and technologies to create a healthier indoor climate for children.
Researchers developed an evolutionary agent-based model to understand the impact of prioritizing discoveries and found that it can lead to reduced quality research and publication bias. However, reforms like scoop protection can help mitigate these issues.
Researchers found that most women's menstrual cycles aligned with synodic months at certain intervals, while also showing synchronization with tropical months in younger women, suggesting a stronger effect on menstrual cycles during long winter nights when exposed to moonlight.
Researchers developed an AI that accurately identifies places with insufficient or out-of-service stations. The tool is particularly effective in micropolitan areas, where population growth may lead to infrastructure issues.
A Carnegie Mellon University study suggests that Duchenne smiles may not be a reliable indicator of true happiness. Researchers found that smiling eye smiles were more closely related to smile intensity than emotional state, highlighting the need for more nuanced understanding of human emotions and facial expressions.
A Northwestern University study finds that deep sleep has an ancient power to clear waste from the brain, including toxic proteins that may lead to neurodegenerative disease. This waste clearance process is substantially enhanced during deep sleep.
Boston University researchers developed a personalized procedure to selectively modulate orbitofrontal brain activity, resulting in reduced compulsive behavior. The five-day treatment showed immediate and sustained improvements, even for those with severe symptoms.
A team of researchers recommends using psychological and cognitive sciences to develop interventions that empower users to control their digital environments. Cognitive tools such as "boosts" can enhance people's agency in online discourse and improve reasoning against manipulation.
Research suggests that goals involving helping others are more satisfying and lead to increased happiness. Acts of benevolence increase positive mood and energy, while narrow self-focused concerns can lead to decreased happiness. Experts recommend focusing on contributing to the world for a happier life.
A recent study published in Scientific Reports found that both capuchin monkeys and rhesus macaques exhibit the sunk cost phenomenon, persisting longer than optimal when uncertain about outcomes. This behavior is driven by evolutionary mechanisms and uncertainty, suggesting it may be deeply embedded across species.
Two new studies provide insights into preventing workplace accidents and injuries by analyzing human error and cognitive processes. Researchers have developed an error-detection framework that computes the likelihood of human error in occupational settings.
Researchers from the University of Tsukuba found that low-intensity exercise during adolescence can significantly reduce abnormal behaviors in a mouse model of schizophrenia. The study suggests that mild exercise habits during development could have a powerful preventative effect in individuals genetically predisposed to schizophrenia.
A nationwide study investigates child nutrition administrative agencies' responses to meal service provision during school closures. Most jurisdictions provided easily interpretable information, but few offered comprehensive implementation guidance or communication with families.
A new study found that the tension between awareness of Covid-19's severity and fatigue from pandemic precautions can lead to unusual epidemic patterns. The research team analyzed data and found evidence that individuals tend to increase their activity before the virus wanes, worsening the epidemic severity.