Articles tagged with Human Behavior
A new study finds that mice have a unique neural circuitry for processing instinctually important smells like those associated with predators. The TAAR-expressing neurons form an independent olfactory subsystem, distinct from the more common olfactory receptor neurons, which detect a broader range of smells.
Researchers found that people perform worse when trying to do two visual tasks at once, yet rate their performance higher. Eye-tracking technology showed that people's gaze moved around more and spent less time fixated on any one task. The study suggests teaching media literacy to young people before they start driving.
A study of 192 families found that fathers' involvement in early interactions with their infants is linked to fewer behavioral problems later on. The researchers suggest that interventions aimed at improving parent-child interaction may be beneficial to the child's behavior, and highlight the importance of early parental engagement.
Research finds that while fathers may be more involved with their children through sports, they still tend to do the lion's share of household tasks and childcare responsibilities. The study, conducted by UCLA sociologists, suggests that traditional gender roles persist in middle-class families.
Researchers identified innovative solutions to increase access to nutritious food among low-income groups. The study, published in JNEB, proposes catering trucks as a strategy to promote healthful eating in low-wage worksites.
Research in rats and humans found that multiple pieces of food elicit greater satiation than a single piece, with increased portion sizes leading to increased intake. Cutting food into smaller pieces can make it more satiating, benefiting dieters seeking portion control.
Research suggests that sleep behavior affects body weight control and that sleep loss has ramifications for how many calories we consume and burn off through physical activity. Sleep deprivation increases hunger and reduces physical activity, leading to weight gain and increased risk of obesity and type 2 diabetes.
Research suggests that adding words related to health and weight on posters, menus, or recipe cards can stimulate healthy food choices among dieters and overweight individuals. This technique has great potential as an intervention to help weight control, as it is unobtrusive, easy to implement, and low in cost.
A meta-analysis of self-determination theory research in health contexts found that respect for patients' autonomy is positively related to feelings of autonomy, competence, and relatedness. Satisfaction of psychological needs was also linked to improved patient well-being, including both mental and physical health.
A groundbreaking study in evolutionary analysis in law reveals that chimpanzees, like humans, show the endowment effect, with behavior influenced by an object's immediate situational usefulness. The research provides evidence that this psychological trait likely evolved prior to the human split from other species.
Researchers found that rapamycin enhances learning and memory in young mice and improves these faculties in old mice, negating the normal decline with age. The drug also lowered anxiety and depressive-like behavior in the rodents.
Researchers identified a brain pathway imbalance linked to addictive behavior, which may also underlie less severe compulsive behaviors. The study's findings could lead to better understanding and monitoring of various compulsive behaviors.
Researchers discovered that the dorsal anterior cingulate cortex (dACC) optimizes behavioral responses by predicting task difficulty. The study used a complex task to evaluate dACC function, revealing that the structure speeds up responses when difficulty levels are constant but slows down response time when faced with changing demands.
Research suggests that high anxiety can make male California mice poor fathers, while stress hormone vasopressin may influence paternal behavior. The study found that anxious males were less likely to approach a pup and had higher levels of vasopressin in their brains.
Researchers found that direct reciprocity alone is insufficient for high levels of cooperation, emphasizing the need for population structure. Repetition can also boost cooperation when individuals interact with similar types, but excessive repetition can harm it.
Research highlights suggestion's wide-ranging impact on human memory, learning, and behavior. The 'response expectancies' phenomenon explains how anticipating outcomes influences thoughts and actions.
The new web-based smoking cessation program, StopAdvisor, offers expert advice to help smokers prepare for and overcome the challenges of quitting. The platform uses a combination of interactive menus and personalized sessions to support users in their journey to quit smoking.
Researchers identified PERK as a crucial protein for maintaining behavioral flexibility, allowing us to adjust behaviors in response to changing circumstances. The study's findings have implications for addressing neurological disorders such as autism and schizophrenia.
A new study suggests that tailored advertising campaigns can be more effective when targeting specific personality traits, rather than just demographic groups. By highlighting motivational concerns associated with each trait, advertisements can be designed to resonate with individual consumers and increase their persuasive appeal.
Scientists at Queen Mary University of London used zebrafish to study psychiatric disorders, finding they can modify their behaviour in response to changing conditions. The research suggests zebrafish may be useful in studying the cause and prognosis of disorders related to impulse control.
A mouse model showed that GLO1 activity stimulates GABAA receptors, promoting anxious behavior. Inhibition of GLO1 reduces anxious behavior, suggesting it as a potential novel therapeutic target for anxiety disorders and other CNS diseases.
Researchers at the University of Pennsylvania discovered a mechanism involving dopamine that switches fruit fly behavior from diurnal to nocturnal, parallelled by human sundown syndrome. The team found that increased night-time activity is associated with elevated dopamine signaling in flies.
Researchers have developed a new technique to measure brain activity during behavior in zebrafish with unprecedented resolution. The technique allows for the simultaneous measurement of up to 2,000 neurons, providing insights into how brain regions work together to control behavior.
New research found post-term children are almost twice as likely as term-born children to have behavioural and emotional problems, including ADHD. A U-shaped association was discovered between gestational age at birth and behavioural problems in early childhood.
A new study found that excessive daytime sleepiness in children is a significant contributor to learning, attention and behavioral problems, despite adequate nighttime sleep. Obesity, symptoms of inattention, depression and anxiety, asthma, and parent-reported trouble falling asleep are all linked to EDS.
A recent study published in Environment and Behavior found that placing fruit and vegetable bowls near participants increases the likelihood of eating them. However, this effect is more pronounced for fruits due to their natural sweetness, which stimulates brain reward regions.
Researchers at Max Planck Institute for Chemical Ecology developed a device called Flywalk that measures insect responses to odor signals, revealing specific brain regions for processing attractants and deterrents. The study shows that flies process attractive odors differently depending on gender and reproductive status.
A study using two-photon microscopy has mapped neuronal activity in the cerebral cortex of mice during learning, revealing that only selected aspects of behavior change neural representation. The research also found that sensory and motor representations are spatially intermingled in the rodent brain.
Researchers are developing a new traffic modeling system that incorporates individual human behavior traits to forecast transportation needs. The VASTO model simulates habitual patterns with real-time reactions and will allow planners to see what would happen if traffic is rerouted or construction is proposed.
A new study will test a professional development program called CARE for Teachers, which aims to enhance teachers' social and emotional competence. The program provides emotion skills instruction, mindfulness practices, and caring techniques to promote empathy and compassion in the classroom.
Researchers found that flies didn't exhibit expected siestas during the day and instead became active at dawn. The study suggests that flies can react to changing light levels without anticipating them, challenging previous assumptions about genetic determinants of behavior.
The research team aims to create automated program-synthesis tools for various applications, including robotic tasks. The goal is to help human programmers write code faster and with fewer errors by leveraging intelligent software agents.
Computer scientist Hava Siegelmann has developed an adaptable computational system that learns and evolves, using input from the environment in a way much more like our brains do. The Super-Turing model yields exponentially greater repertoire of behaviors than classical computers.
Researchers found that humans can only monitor up to three strategies while making decisions, and creativity is favored over reliable options. The frontal lobe plays a crucial role in this process, with individual differences in performance linked to variations in creative ability.
A recent study suggests that young infants' imitation is not driven by rational thinking, but rather by distractions. In a replication study, researchers found that infants imitated an unusual action only if it was not attributed to external constraints.
Modern nature conservation faces challenges in governing diverse ecosystems, with threats from human activities like forestry, agriculture, and fisheries. The study emphasizes the need for efficient governance to address these issues and halt biodiversity deterioration.
Researchers discovered the genetic basis of biological rhythms controlling sleep, wakefulness and hormone levels. Their work has potential to improve treatments for diseases controlled by circadian cycles.
Researchers have found that both humans and rats make more accurate decisions when presented with combined multisensory information, suggesting a statistically optimal combination of sensory stimuli. This discovery could provide insights into how the brain processes multisensory information in individuals with autism spectrum disorders.
In a study published in PLOS ONE, researchers observed chimpanzee groups and found that high-ranking individuals intervene in conflicts to ensure group stability. This behavior is driven by a community concern interest, with more parties to a conflict resulting in greater policing.
A recent study by USC Marshall professor Nathanael Fast and colleagues found that unconstrained power can lead to overconfident decision-making. In experiments, participants who felt powerful made riskier bets, losing money, whereas those who didn't feel powerful were less risky and did not lose.
Research published in PLoS ONE found that blue whales change their vocal behavior when exposed to man-made noise from sonar and ship sounds, regardless of frequency overlap. The study suggests a strong probability of noise affecting the vocal behavior of blue whales, with long-term implications unknown.
Researchers created a zebrafish model to study Maple Syrup Urine Disease, which causes brain injury and severe dystonia. The model reveals abnormal swimming behavior and neurotransmitter imbalances, shedding light on disease mechanisms.
A new study published by the American Thoracic Society found that PAP therapy significantly improves neurobehavioral function in children with obstructive sleep apnea syndrome. Despite suboptimal adherence, patients showed improvements in attention deficits, behavior, and quality of life.
A new study by Pankaj Aggarwal and Ann L. McGill found that humanizing brands can influence consumer behavior, with participants more likely to take the stairs if they imagined a healthy brand like Kellogg's and more likely to take the elevator if they thought of an unhealthy brand like Krispy Kreme. In contrast, participants who thoug...
Researchers discovered that male wolf spiders eavesdrop on rival males' courtship signals to improve their chances of mating. The study found that experienced spiders are more likely to exhibit this 'signal matching' behavior.
Researchers found a strong connection between compulsive tendencies and hypersensitivity in childhood, with ritualistic behaviors developing as a defence mechanism. A longitudinal study aims to better understand the connection between childhood sensitivities and adult OCD.
A study by University at Buffalo researchers found that humble leaders model growth and learning, and legitimize followers' journeys. Humble leaders who admit mistakes, praise followers, and learn from errors tend to have higher-performing organizations.
A new study found that climate change is causing humans to visit national parks earlier, with peak attendance shifting four days earlier than 30 years ago. This shift may serve as a bellwether for more severe human adjustments required to cope with climate change.
A recent study by Queen's University found that TV viewing, but not computer use, predicted higher cardio-metabolic risk in children. This suggests that limiting screen time, particularly TV viewing, may be an effective way to reduce the risk of cardiovascular disease in young people.
A new study from the University of Missouri found that rural adolescents who engage in prosocial behaviors like volunteering and helping others are less likely to use substances as young adults. This research has important implications for substance use prevention and intervention programs aimed at teens.
According to a new article, psychologists recommend making treatment memories stronger through methods like giving more therapy or conducting it in different locations. This approach exploits established principles of learning and has been shown to be effective in reducing relapse rates.
A study by McGill University Health Centre researchers found that adolescent amphetamine use can cause neurobiological imbalances and increase risk-taking behavior, effects that persist into adulthood. The study used animal models and found abnormalities in key neurotransmitters serotonin, dopamine, and norepinephrine.
Researchers found that 10-month-old infants can understand another person's thought process, even if it diverges from their own knowledge. This discovery sheds light on how humans acquire knowledge and develop communication skills.
Researchers have successfully measured dopamine release in a human brain, tracking its movement between brain cells while a subject makes decisions. The study provides preliminary evidence that dopamine can predict future market changes.
A multidisciplinary group of researchers found that a glazed stare is accompanied by measurable changes in eye behavior, indicating the existence of a conscious state. This discovery challenges the long-standing debate about the existence of a hypnotic state.
A recent study found that conservatives exhibited stronger physiological reactions to disgusting images, particularly those related to gay marriage. The research suggests that people's political orientations are reflected in their biology, with certain attitudes becoming ingrained in the body.
Motherhood is associated with changes in brain function, particularly in the auditory cortex, enabling mothers to recognize and respond to pup distress calls. The study shows a rapid appearance of olfactory-auditory integration in lactating mothers.
Scientists discover miniscule metal nanoparticles naturally occurring in silver articles, jewelry, and utensils, revealing a dynamic behavior that changes over time. This finding challenges traditional views on nanoparticle toxicity and suggests humans have been exposed to these particles for millennia.
A study published in Current Biology found that human children consistently chose to cooperate with others over working alone, whereas chimpanzees showed no such preference. The researchers suggest that this behavioral difference may be rooted in small motivational differences between humans and other species.
In a study of wild field crickets, males are found to protect females from predators, increasing their chances of survival. In exchange, paired males sire more offspring with each partner, suggesting that this 'chivalry' may have evolutionary benefits. The findings challenge traditional interpretations of male guarding behavior.