Human Behavior

60% of U.S. teens have tried AI chatbots, 11.4% use them almost daily

GPS data reveals why pedestrians in Phnom Penh rarely walk the shortest route

Study identifies product-category differences in language associated with click-through rates in Japanese Instagram advertisements

Researchers analyzed a large dataset of Japanese Instagram ads to identify linguistic patterns linked to click-through rates. The study found that word choices for supplement and cosmetic ads differed significantly, with risk-related words boosting CTR in supplement ads, while motion-related language increased CTR in cosmetic ads.

New research examines “remorse bias” in legal decision-making

Two studies by Rutgers University professor Colleen Berryessa explore how expressions of remorse are interpreted in the legal system, finding that it can lead to serious inequities in legal outcomes. The research highlights the need for greater awareness and education within the legal system to better understand how remorse is assessed.

Does personalized virtual try-on turn imagination into reality?

Dog training choices reflect owners’ ethical views on animals

A new study finds that dog trainers' methods reflect their ethical stance on animals. Owners with an anthropocentric view are more likely to use punishment-based methods, while those with a focus on animal welfare opt for positive training methods. The study highlights the importance of considering ethics in dog training.

Ketamine infusions and rapid reduction of suicidal and depressive symptoms in major depressive episode

A systematic review and meta-analysis found single and repeated intravenous ketamine infusions to be efficacious in reducing suicidal and depressive symptoms in acute major depressive episodes. Longer-term outcomes remain unclear.

Treatment of anxiety for adults in primary care settings

The American Medical Association (AMA) has developed guidelines for treating anxiety disorders in adults in primary care settings. Behavioral therapy, including cognitive-behavioral therapy (CBT), and medication, such as selective serotonin reuptake inhibitors (SSRIs), are recommended treatments.

Are you addicted to your AI chatbot? It might be by design

Researchers identified three main patterns of AI addiction: role-playing and fantasy worlds, emotional attachment to chatbots as close friends or partners, and constant information-seeking. These patterns led to disruptions in daily life, including anxiety, stress, and negative impacts on work, studies, and relationships.

Emoji’s have feelings too, new study reveals

A new study by Bournemouth University found that the brain reacts to emojis in a way similar to seeing real human faces, with neural responses occurring within 145-160 milliseconds. This suggests that emojis can be processed by the brain as meaningful emotional signals during online interaction.

Suicide prevention measures can help AI better protect young users

A recent survey found that 72% of youth aged 13-17 use AI companions and 52% report regular use, highlighting the need for robust safeguards. Well-designed chatbots can normalize help-seeking, reduce isolation, and offer coping strategies, but poorly designed ones can cause harm.

University of Houston researcher uncovers the mathematical signature of fair competition

A mathematical model identifies universal patterns in competitive systems, revealing an optimal 'sweet spot' where excellence and opportunity coexist. The study found that high-performing systems strike a delicate balance between demand and opportunity.

UCF research to help inform statewide efforts to stop domestic violence and improve care for survivors

Researchers are evaluating the state's domestic violence resources to better support survivors and prevent further abuse. Through a $257,384 grant, UCF faculty are analyzing data from various sources and surveying organizations that provide domestic violence services.

Humor helps older adults navigate ageing – research

Older adults use humor as a coping mechanism to deal with the challenges of aging, including bereavement and declining well-being. The study found that women are more likely to use humor in emotionally sensitive situations, while men emphasize its role in social bonding.

We prefer colors: Product labeling can save your health

A recent study found that colour coding is more effective than traditional nutritional tables in influencing consumers' dietary choices, thanks to the brain's instant processing of benefit and risk signals. Colour-coded labels encourage healthier product selection by harnessing visual attention mechanisms.

Normative messaging bridges the partisan gap in pandemic risk-taking, study shows

Research shows that targeted interventions highlighting personal impact on others can alter behavior among partisans. Both Republican and Democratic voters reduced risk-taking when presented with a simple message asking to choose the safer option for themselves and others.

Thoughts don’t kill people, but study suggests options for keeping guns from doing so

A new study from Michigan Medicine found that over 7% of Americans have thought about shooting someone, while 8.7 million adults considered it in the last year. Firearm owners were no more likely to have these thoughts than non-owners, but 21% of those who had thoughts said they would consider giving their gun to someone for safekeeping.

Teens and young adults with ADHD and substance use disorder face treatment gap

A new study in 15- to 25-year-olds finds that ADHD treatment improves outcomes for young people with ADHD and substance use disorder, including a 30% decrease in mortality. Despite being diagnosed with both conditions, young people are less likely to receive ADHD medication.

Vegans develop complex skills to navigate an omnivorous society, new Concordia research shows

Researchers found three types of relational fractures: co-performance, co-learning, and marketplace. Vegans employ strategies such as decoding, decoupling, divesting, and chameleoning to cope with conflicts. These findings are transferable to other contexts, highlighting the need for social skills to navigate moral differences.

Digital microsteps as scalable adjuncts for adults using GLP-1 receptor agonists

A low-cost digital intervention increased expectation to adopt health behaviors among adults using GLP-1RAs, with effects persisting for 2 weeks. The written microsteps intervention plus short video boosters may play a role in promoting sustained behavior change.

One in 20 babies experiences physical abuse, global review finds

A global review of 20 studies covering over 220,000 infants and caregivers found nearly five per cent of infants experience physical aggression from caregivers in their first two years of life. Simple education, support lines, and clear policies against hitting children can help address the issue.

Digital transformation of food retail is reshaping food access for consumers

A recent study in the Journal of Nutrition Education and Behavior highlights the impact of digital transformation on food access, emphasizing opportunities for innovative interventions and policy approaches to promote health equity.

Ultraprocessed food consumption and behavioral outcomes in Canadian children

Higher ultraprocessed food consumption in Canadian preschoolers was associated with increased emotional symptoms by age 5. Replacing UPF with minimally processed foods may support healthier behavioral development and long-term mental health.

Insufficient sleep among US adolescents across behavioral risk groups

A study found insufficient sleep among US adolescents, with trends suggesting environmental and structural factors are driving the issue, rather than specific behaviors. The findings highlight the need for population-level interventions to address widespread sleep loss.

Variety: Spice of life or risk factor for overeating?

A new study conducted by researchers at Penn State found that the presence of a higher variety of foods in a buffet increases both the weight and calories of food selected. Participants who visited buffets with more food options chose higher-calorie dense foods, leading to increased calorie consumption.

Changing the past in your imagination: Working with memories reduces the fear of failure

A study by SWPS University researchers found that imagery-based techniques can significantly reduce fear of failure and negative emotions associated with childhood criticism. The techniques, including Imagery Exposure and Rescripting, helped participants reframe their memories and experience a lasting reduction in stress and anxiety.

When safety starts with a text message

A study by the University of Texas at Arlington found that digital hotlines are providing anonymity, easy access, and a lower-pressure way for survivors to seek help. Advocates tailor their guidance to each person's situation, building a plan together while ensuring the survivor is in a safe space.

When you stumble, laughter beats embarrassment

Laughter beats embarrassment when making small mistakes, research from the American Psychological Association finds. Laughing at oneself signals social confidence and reduces tension, while acting embarrassed may be perceived as excessive. The study suggests that humor is socially effective in certain situations but risky in others.

AI may boost productivity — but it can hurt a creator’s reputation, new research finds

A recent study reveals that creators who disclose using AI face negative judgments from others, despite their reputation. This gap between technological capability and social perception highlights the need for creators to manage perceptions surrounding how their work was created.

Reminding people they’re talking to chatbots may be ineffective or even harmful, researchers say

Researchers argue that mandated reminders about a chatbot's non-human nature may exacerbate mental distress and form stronger attachments. The warnings come after recent deaths by suicide linked to chatbots like ChatGPT and Character.AI, highlighting the need for careful crafting and timing of these reminders.

How AI tools like DeepSeek are transforming emotional and mental health care of Chinese youth

China's youth faces a growing mental health crisis, but AI platforms like DeepSeek offer promising solutions to bridge the gap. These platforms leverage natural language processing and generative AI to provide round-the-clock support tailored to Chinese society.

Sandra Bond Chapman inducted into the storied Philosophical Society of Texas

Dr. Sandra Bond Chapman, founder of Center for BrainHealth, was inducted into the Texas Philosophical Society for her groundbreaking work on cognitive neuroscience and brain health. Her leadership has propelled UT Dallas's Center for BrainHealth into an international hub advancing brain health research.

New study calls for faster autism diagnosis to prevent suicides

A new study by Bournemouth University calls for faster autism diagnosis and tailored mental health support to reduce autistic people's suicidal thoughts and attempts. The research identified key priorities, including improving autism diagnostic services, tackling societal inequalities, and providing autism-specific support in crisis.

Tech companies need to unite and make device security easier for users

Researchers say tech companies need to adopt user-centered approaches to create authentication systems that are secure by design. They call for more inclusive and consistent methods, avoiding one-size-fits-all models that burden users with complex security rules.

The psychology of self-driving cars: Why the technology doesn’t suit human brains

The article highlights the psychological demands of self-driving cars on human brains, citing Professor McLeod's research and personal experience. He emphasizes the need for clearer interfaces, simulation-based training, and updated driving tests to address these challenges and ensure safe automation uptake across society.

New resource supports trauma survivors, health professionals

A new online tool provides information and tools for clinicians to respond to emerging patient care needs, enhancing trauma-informed healthcare for individuals with C-PTSD. The resource was co-developed by researchers and survivors, aligning with best practices and patient-centered research.

Around the world, children’s cooperative behaviors and norms converge toward community-specific norms in middle childhood, Boston College researchers report

Children across the globe exhibit similar cooperative behaviors, such as fairness and trustworthiness, that align with adult norms over age. As children get older, their behavior reflects local norms, but younger children tend to be self-interested.

Promise the Earth: Why real climate action means restraint

The new book, Promise the Earth: A safe planet in good faith, calls for a rethink on how we live, hope, lead, and take responsibility to solve the climate crisis. Authors Professor Julian Allwood and Professor Andrew Davison argue that individual action, especially from comfortable lives, is crucial now.

Neuroticism may be linked with more frequent sexual fantasies

A new study found that people with neurotic personalities report having more frequent sexual fantasies. In contrast, those who are more conscientious or agreeable tend to have less frequent fantasizing. The study analyzed data from over 5,200 adults in the US and explored links between personality traits and sexual fantasies.

From leadership to influencers: New ASU study shows why we choose to follow others

Researchers from ASU found that status inequality in influence has been part of human societies since early times, with people gravitating towards skilled and successful individuals. This 'prestige' effect creates a snowball effect where popular leaders emerge quickly, shaping group decisions and driving imbalance.

One-third of young people are violent toward their parents

Researchers found that nearly one-third of young people experience physical aggression towards their parents between ages 11-24. This behavior is linked to factors such as parental conflict, attention-deficit hyperactivity disorder (ADD), and physical punishment.

February 2026 issues of APA Journals Feature new research on neuroplasticity, cannabis and alcohol use interactions, trends in outpatient psychotherapy and more

The latest APA Journal issues explore the intersection of neuroplasticity and substance use, as well as emerging trends in outpatient psychotherapy. The American Psychiatric Association's flagship journals offer insightful research on mental health topics.

Truth hurts: Prosocial liars perceived as more moral

In a study, participants preferred feedback providers who provided overly optimistic feedback to avoid hurting others, even if it meant telling the truth. This suggests that people strategically adjust their preferences for honesty based on social cues and prioritize the well-being of others.

How does TikTok shape young peoples' dietary preferences?

A study found that TikTok influences dietary habits by leveraging algorithmic mechanisms, entertainment content, and users' emotional connections. The platform affects food preferences, dining choices, and recipe evaluations among young people.

Does screen time affect teens’ sleep and lifestyle habits?

A study of 700 teens found that screen time negatively affects sleep quality and beliefs about healthy lifestyles. The researchers suggest reducing screen exposure, increasing social interaction, and promoting alternative activities to promote healthier lifestyles and better sleep.

One in four teens face violence, higher substance use

A new study from UT Arlington reveals that one in four US adolescents experience neighborhood trauma, leading to increased substance use. Cyberbullying is more strongly linked to substance use than traditional school bullying, and team sports participation can also contribute to increased alcohol use.

Claiming your business page on review platforms can have unintended effects on customer reviews, study shows

A study from Florida International University finds that claiming a business page on review platforms like Yelp can lead to a significant drop in average ratings, with a 10% decrease in five-star reviews and a 9.5% rise in one-star reviews. The study also reveals that these lowest-rated reviews become substantially longer and more crit...

Hospital programs for violence victims can prevent future harm, Boston University study finds

A hospital-based program supporting gun and knife violence victims can halve the likelihood of future harm, according to a Boston University study. Regular engagement with the Violence Intervention Advocacy Program reduced the risk of being revictimized or committing violence by 50 percent two to three years after discharge.

UH psychologist explores reducing anxiety among survivors of sexual assault

A UH psychologist's study finds that anxiety sensitivity and pain-related anxiety are linked to mental health problems and clinically significant alcohol use among survivors of traumatic sexual assault. The investigation highlights the importance of addressing both types of anxiety in reducing the risk of lifelong challenges.

New research reveals how dread shapes decision-making

A new study from the Universities of Bath and Waterloo finds that people are more emotionally affected by anticipating negative future outcomes than positive ones, shaping economic behaviour. Individuals with stronger negative anticipatory emotions are more likely to avoid risk and less willing to wait for delayed outcomes.

People with “binge-watching addiction” are more likely to be lonely

A study published in PLOS found that individuals with binge-watching addiction are more likely to experience loneliness. The researchers discovered an association between increased loneliness and higher levels of binge-watching addiction, suggesting that people may engage in this behavior as a coping mechanism for emotional distress.

Takeaways are used to reward and console – study

A study found that ordering takeaway meals is a popular self-gifting option for both rewarding good days and consoling bad days. The research suggests that this may be due to the convenience of taking away daily cooking duties, while also providing a indulgent treat.

Not all memories are created equal: Study by NUS and Duke shows how motivation shapes our memory

Researchers propose a neuroscience framework explaining how motivation fundamentally reshapes memory. Two motivational moods - an interrogation-driven mood supported by dopamine and an imperative-driven mood supported by noradrenaline - are associated with different neural contexts, determining the type of memory formed.

New analysis of wellbeing interventions shows there are multiple routes to better mental health

A new analysis of wellbeing interventions shows that there is no single route to improving mental health, with mindfulness, compassion-based approaches, yoga, exercise and positive psychology interventions all showing moderate benefits. Combining physical activity with psychological interventions appeared particularly promising.

Gambling harms and suicide risk under the spotlight in new university study

A new research project at Staffordshire University is examining the barriers that prevent people from seeking help for problem gambling. The study aims to understand how experiences of shame differ across genders and cultures, highlighting the need for effective prevention strategies.

Time warp: How marketers express time can affect what consumers buy

A new study from the University of British Columbia found that the way marketers express time can change how people experience the past and future, influencing real consumer decisions. The 'year-length effect' shows that when time is described as a length, people tend to perceive it as longer than when using years.

January 2026 issues of APA journals feature new research on autism, pediatric anxiety, psychedelic therapy, suicide prevention and more

The January 2026 issues of four American Psychiatric Association journals feature groundbreaking research on externalizing disorders, pediatric anxiety, autism, and inflammation-related depression. The studies also explore the potential benefits of psychedelic therapy in suicide prevention.

Smile and the world will trust you: How mimicry shapes first impressions

Researchers found that smiling faces are associated with higher trustworthiness, confidence, and attractiveness. Facial expressions play a crucial role in social judgments, with emotional mimicry influencing character trait evaluations.

Vulnerability of large language models to prompt injection when providing medical advice

Researchers found large language models susceptible to malicious input manipulation, leading to potentially hazardous health recommendations. The study highlights the need for robustness testing and regulatory oversight before clinical deployment of these AI tools.

Why many Americans avoid negotiating, even when it costs them

Research reveals that negotiation avoidance is the norm, with 95% of individuals choosing not to negotiate up to 51% of the time. To overcome this mindset, experts emphasize the importance of understanding one's position, creating room for concessions, and developing strong relationships.