Research on why people act as they do. Covers self-processing across primates, substance use, weight-loss behavior, and nicotine seeking.
A new study from researchers at Wake Forest University School of Medicine shows that dopamine release plays a crucial role in encoding reward and punishment prediction errors, allowing the brain to adjust its behavior. Dopamine not only signals positive experiences but also optimally encodes negative outcomes.
A recent study published in Nature Communications has identified a key brain molecule responsible for triggering overconsumption of comfort foods after stressful events. The lateral hypothalamic proenkephalin neuron plays a crucial role in driving threat-induced eating associated with negative emotional states.
Smartphone usage patterns differ substantially between urban and rural populations, with urban users favoring social media platforms like Instagram and Twitter. In contrast, rural users tend to use Facebook and Snapchat, suggesting that environment influences smartphone behavior.
A Virginia Tech scientist has identified a molecule in the hypothalamus region of the brain linked to stress-induced emotional overeating. The discovery may lead to new therapy targets for alleviating emotionally triggered eating.
A study found that workaholics have a consistently negative mood throughout the day, regardless of workload. Women are more vulnerable to workaholism due to role conflict and cultural expectations.
Researchers developed a new diagnostic tool to identify and treat Hikikomori, a condition characterized by prolonged physical isolation or social withdrawal. The Hikikomori Diagnostic Evaluation (HiDE) assesses the severity of social withdrawal, providing a practical guide for clinicians.
A computer simulation by Nagoya University researchers found that human behavior, such as lockdowns and isolation measures, influenced the evolution of new COVID-19 strains. The study discovered that SARS-CoV-2 variants with higher peak viral loads were more successful at spreading, but also had shorter infection durations.
A paper by Anthony Chemero explains how AI thinking differs from human thinking, highlighting the limitations of large language models trained on biased data. Despite generating impressive text, these models can make up facts and produce biased outputs due to their lack of embodiment and understanding of context.
Researchers argue for a 'human-centered AI' approach to co-creativity, balancing automation with human control. They emphasize the need for interdisciplinary research on creativity, ethics, and intellectual property rights in human-AI collaboration.
Scientists at PNNL introduced a new way to evaluate AI system recommendations by incorporating human experts' insights. Human expertise improved the accuracy of predictions and boosted confidence scores, indicating better decision-making capabilities for machine learning systems.
A recent study at Eötvös Loránd University found that 'smarter' dogs process information similarly to humans, with object appearance mattering as much as its location. The researchers measured spatial bias in 82 dogs and found that those with better cognitive performance linked objects more easily to places.
Researchers characterized changes in cognitive behaviors, neuronal morphology and gene expression in a tauopathy mouse model. The study found significant decreases in dendritic arborization and synaptic gene upregulation over time.
A study by Dr Lixin Ren found that extracurricular activities have a limited impact on math skills in preschool children, with effects dependent on behavioral regulation and approaches to learning. For children with poor self-regulation skills, structured activities can improve early math skills.
Researchers aim to optimize digital weight-loss programs for rural populations by adding human components, such as weekly group video sessions and individual coaching calls. The goal is to help residents manage their weight and fight the obesity epidemic in areas with limited access to in-person programs.
A new study published in Nature Human Behaviour found that the US Supreme Court's Dobbs v. Jackson Women's Health Organization decision led to an increase in public support for abortion rights, with 2.4 percentage points more respondents believing abortion should be legal for women who choose to have one.
A longitudinal study found that nine-to-10-year-old children who drink daily caffeinated soda are twice as likely to try alcohol within a year. Daily caffeine intake is associated with low working memory and high impulsivity, recognized risk factors for substance use disorders.
A new study finds that individuals with PTSD symptoms exhibit a blunted responsiveness to cortisol, leading to impaired fear extinction and other biological alterations. Researchers used a genetically selected rat model to demonstrate the causal link between low glucocorticoid levels and PTSD vulnerability.
A new study found that social media platforms restrict user-generated content and advertising related to illegal muscle-building drugs but offer few restrictions on legal dietary supplements. This has raised concerns about the potential negative effects of these products on young people's health and behavior.
Researchers found that fathers' reported symptoms of anxiety and depression were not associated with worse behavioral and cognitive outcomes in their children. In contrast, slightly higher levels of depressive symptoms among fathers during pregnancy were linked to fewer behavioral difficulties in their child at six to eight years old.
Researchers found that all tested languages make the same spatial distinctions using words like 'this' or 'that', based on reachability. This suggests a universal action constraint underlying demonstrative language across cultures.
Children diagnosed with ADHD at a young age are just as likely to retain the diagnosis in adulthood as their older peers, according to a new study. The research, which examined data from over 6,500 patients globally, suggests that the youngest children in class are not more likely to lose the diagnosis over time.
Research from the University of East Anglia found that children who are too short for their age can suffer reduced cognitive ability due to differences in brain function as early as six months. The study discovered a link between stunted growth and disrupted visual working memory, making them more easily distracted.
A study by University of Nebraska-Lincoln researchers found that crowdfunding platforms create a sense of democracy, but backers often come from similar groups and give to projects they find cool. This limits the democratizing potential of crowdfunding.
A study found that pet owners worldwide tend to be more emotionally attached to and willing to spend more on their dogs compared to their cats. However, there are significant cultural differences in attitudes towards pets across countries, with Denmark showing a notable preference for dog care.
A new UConn study examined the effect of couples on each other's 'grit' and self-control, key ingredients for weight management. Researchers found that couples did not influence each other's self-control or grit levels, but rather these traits were malleable through behavioral interventions.
A recent study by SMU psychologist Sarah Kucker and a student researcher found that shyness can influence young children's performance on language tests. Shy children tend to struggle with verbal tasks but excel in pointing tasks, highlighting the importance of considering social interaction levels when assessing language abilities.
A new study suggests that individual animals, like Lua the Antillean manatee, can be used as flagships to encourage engagement and behavioural change in conservation. These charismatic species often have unique characteristics that make them appealing to humans and can inspire policy changes.
A study published in Nature Human Behaviour has uncovered a neural pathway preferentially involved in pain perception across species. The researchers identified the central role of the medial-dorsal thalamic nucleus in pain perception, which exhibited a more pronounced activation in response to painful stimuli.
An international team of scientists recommends a global shift in food choices due to the potential for addiction. They suggest that certain ultra-processed foods have characteristics similar to addictive substances, which may improve global health.
Researchers discovered that users' prior beliefs about an AI chatbot's motives significantly impact their interactions with the agent. Priming users to believe certain things about the AI's empathy, neutrality, or manipulation influences their perception of its trustworthiness and effectiveness.
The journal highlights the complexities of neurological injury and neurodegenerative diseases, emphasizing virtual care as a potential solution. Identifying and treating neuropsychiatric symptoms is crucial for effective rehabilitation.
A behavioral experiment involving 644 older adults found that many are susceptible to government impersonation scams, including those without cognitive impairment. The study highlights the need for awareness and education among this demographic to prevent such scams.
A new study from North Carolina State University explores how racism shapes Black motherhood in the US, revealing distinct challenges and stresses faced by Black mothers. The study categorizes these effects into three areas: protective mothering, resistance mothering, and encumbered mothering.
The study reveals that while CTFs showed small increases in saved sums, many accounts remained untouched and parents had forgotten or lost track of them. The research calls for revisiting the principles behind the programme to improve UK's financial resilience.
A groundbreaking study by Florida Atlantic University reveals that agency emerges from the coupled relation between humans and their environment. Infants are found to discover their causal powers and transition from spontaneous to intentional behavior at a critical level of coordination, marking an abrupt increase in movement rate.
A study published by the American Psychological Association finds that people experiencing financial scarcity make decisions based on their immediate needs, prioritizing short-term gains only when scarcity threatens their most pressing requirements. Researchers examined how participants' choices changed depending on the timeline of the...
A comprehensive review of sedentary behavior's effects on health found excessive sitting to lead to insulin resistance, vascular dysfunction, and increased body fat. The study emphasizes the need for more research on effective interventions to reduce sedentary behavior.
A new study found that negative behavior can spill over to unrelated third parties, regardless of the initial intent. When individuals face resource loss due to negative action, they are inclined to seek compensation from both immediate offenders and unrelated third parties.
A study found that Spanish-speaking Latino preschoolers were more generous than their English-speaking peers, while English-speaking children chose competitive options. This suggests that children from collectivist cultures prioritize group well-being over individualism even at a young age.
A recent study published in PLOS ONE surveyed over 5,000 British people to better understand how sexual behaviors change with age. The research found that many gay and bisexual men continue to have multiple partners well into old age, while straight women become less sexually active after 50.
The American Heart Association and NFL offer resources to support physical activity in classrooms. The initiative aims to promote whole-body health and reduce sedentary behaviors among students.
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 soft ball designed to support mental health has been invented, giving users a tangible representation of their breath to regulate emotions. The device, called PAWS, shows significant improvement in reducing anxiety and increasing protection against worry-induced thoughts, with an average 75% reduction in anxiety.
A new study from the University of Georgia found that improved sleep can significantly reduce impulsive behaviors in children exposed to stressful environments. The study, which analyzed data from over 11,000 children aged 9-10, discovered that lack of sleep and long sleep latency were linked to increased impulsivity.
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...
The study found that mindfulness increases moral outrage and punishment for others in injustice, challenging the idea that it can numb people to such events. No bystanding behavior was observed across all studies, indicating that more people will help a person in distress when witnessing injustice.
Researchers found a significant increase in pediatric trauma admissions during the COVID-19 pandemic, with younger patients and falls from moderate heights being more common. Blood alcohol levels were also higher in patients aged 14-18 years old, suggesting targeted interventions to curb alcohol use may be needed
A recent study published in the Personality and Social Psychology Bulletin reveals that both conservatism and liberalism have unifying values such as tradition and inclusiveness, but also divisive vices like elitism and rebellion. These findings suggest that these ideologies are not mutually exclusive, but rather interconnected concepts.
Researchers synthesized over 50 studies to find that mental simulations using visuals or verbal calls to action improve behavioral intentions and behavior. However, the effectiveness varies depending on the modality, frequency, type of consumption experience, and target populations.
A team of researchers from the University of Cambridge developed a way to incorporate human error into machine learning systems, improving their performance in handling uncertain feedback. However, they found that even with uncertainty accounted for, hybrid systems still perform worse than standalone machine learning models.
Scientists developed a novel Double Machine Learning approach to model bird population trends, removing confounding factors caused by changing human behavior. The result is detailed trend maps for each species down to an eight-mile radius, providing valuable insights for local conservation efforts.
A Cornell University study found that encouraging fact-checking on Reddit led to a drop in story rank by an average of minus-25 spots, causing stories to be missed by readers. The research suggests that collective efforts to improve information environments can influence algorithmic recommendations.
A team at Sandia National Laboratories has created a new way of testing personal protective equipment (PPE) that is faster and more comprehensive. They developed two human models: one for the face and another for the entire head, allowing for more realistic testing of mask performance. The new method also includes automated donning and...
A study examining Facebook users' news feeds found that reducing exposure to content from politically 'like-minded' sources had no measurable effect on political beliefs or attitudes during the 2020 US presidential election. The study also found that participants were exposed to more cross-cutting sources and less uncivil content after...
An observational study of college students found that young women are more likely to engage in risky behaviors like multitasking and conversation while descending stairs. This is compared to young men who were less likely to engage in these behaviors, suggesting that women may be more distracted while descending stairs.
A three-month mild exercise program improved executive function in middle-aged and older adults by increasing neural efficiency in the prefrontal cortex. The benefits were particularly pronounced in the older adult group, suggesting a positive impact on cognitive function and brain function with minimal physical exertion.
Researchers found that consumers experience emotional rollercoaster during self-design, with optimism decreasing quickly. Companies can learn from this study to provide attractive starting designs and reduce abandonment rates by providing a 'lock-in' mechanism.
A new study published in Aging (Albany NY) suggests that prior training can rescue cognitive decline in aging by improving task performance and strengthening memory processes. The research, conducted on rats, found that prior training enhanced short-term and intermediate memory, while also enabling encoding-boosted long-term memory.
A mobile app is being tested to help students with disabilities such as autism, down syndrome, and learning disorders. The app, I-Connect, will enable select students to set goals, track progress, and receive prompts to improve their behavior and engagement in class.
Researchers propose a system that plays brief, targeted sounds to alert individuals near digital signage, while only making the sound audible to those actively viewing it. The system improved participants' attention to signage and reduced distractions.