A major international study suggests that gaming disorder is 98.9% similar to gambling disorder, while binge eating disorder and compulsive sexual behaviour disorder also show a high degree of overlap. The findings highlight the need to recognize behavioural addictions and seek support earlier, potentially reducing stigma and improving...
A new study from Michigan State University found that certain personality characteristics, such as achievement motivation and self-discipline, are important for effective leadership. However, the study suggests that organizations may need to re-evaluate their hiring practices to focus on the characteristics that are most relevant for s...
A new study found that horse personality is linked to daily management, riding, and care practices, with stable relationships and social housing considered crucial for welfare and behavioral development. Intrinsic factors like age, sex, and breed also play a role.
A prospective cohort study found that adults with hemoglobin levels 1 to 3 g/dL above the World Health Organization's anemia thresholds had lower mortality compared to those with levels below and above this range. The study suggests that further investigation of borderline anemia is warranted.
A study published in Nature identified over 1,000 genetic variants associated with human behavioral traits, including personality. While the genetic contribution explained only a small proportion of personality differences, the study suggests that environmental factors and social relationships may have a greater influence.
Researchers found over 1,200 genetic variants associated with Big Five personality traits, which also predict life outcomes such as health, education, and career paths. The study suggests an interconnected relationship between genetics and the environment, with environmental factors reinforcing and shaping personality traits.
A new study from Northwestern University found that coronary calcium scans are most valuable for patients with borderline cardiovascular risk. The scans added relatively little to risk prediction from existing risk calculators, but provided a clearer picture for those at intermediate risk. The study suggests that not everyone needs a c...
Researchers developed a method for generating personality assessment questionnaires with ChatGPT from any source text, including the DSM-5 and an astrology textbook. The generated questionnaires showed high internal consistency within personality clusters and could predict life outcomes like depression, anxiety, and well-being at level...
New research in Personality and Social Psychology Bulletin suggests that single people can find personal growth through solitude and non-romantic relationships. Up to 82% of singles leverage close relationships to engage in self-expanding experiences, while 18% do so alone.
A new study by King's College London found that mental health treatment for serious offenders can significantly reduce aggression and reoffending rates, resulting in cost savings. The intervention, Mentalization Based Therapy (MBT), showed potential to improve outcomes for individuals with antisocial personality disorder (ASPD) convict...
Intrinsic disorder in CuInSnS₄ influences its optical properties, with excitons showing direction-dependent responses. The discovery sheds light on the relationship between disorder and material properties.
A new study published in Health Psychology reveals that individual personality traits play a significant role in how caregiving stress affects physical health. Caregivers with high neuroticism and low agreeableness experienced greater inflammation and poorer physical functioning, while others remained relatively resilient. The research...
Research from Edith Cowan University suggests that people who excuse harmful behavior are more likely to create deepfake pornography than those with dark personality traits. The study found a significant link between attitudes and the willingness to create deepfake content.
A new study found that horse owners' psychological characteristics, including attachment styles and personality traits, shape how frequently they ride, train, and spend quality time with their horses. Owners who spent more time with their horses tended to be more emotionally connected, while those with higher avoidant attachment styles...
Researchers at UCLA have identified a group of neurons in the midbrain that control food-seeking behavior, with implications for understanding binge eating and anorexia. Experimental activation of these neurons leads mice to ingest caloric foods even when not hungry, while suppressing them reduces feeding in hungry mice.
Scientists at OIST create well-ordered antiferromagnetic crystal with controlled chemical disorder, tracking evolution from order to disorder. They clarify the definition of spin glass, offering a new baseline for studying exotic materials.
A study links insulin resistance and leptin dysregulation to cognitive impairment in bipolar disorder, highlighting the potential of targeted clinical pathways. Metabolic alterations are associated with cognitive deficits and poorer performance in memory and attention.
Despite clear guidelines, fewer than half of privately insured pregnant women with opioid use disorder receive the standard treatment of medication for opioid use disorder (MOUD). Early identification and timely intervention are crucial in addressing this public health issue.
A new study reveals that risk-prone animals tend to stay near human activity, while more cautious individuals avoid humans and survive longer. This finding highlights the importance of individual behavior in adapting to human-driven environmental change.
The BD² Integrated Network Longitudinal Cohort Study combines clinical, biological, neuroimaging, and real-world behavioral data to transform understanding of bipolar disorder. The release includes data from 615 participants, covering mood, cognition, brain structure, wearable sensor data, and biological samples.
New research from the University of East London suggests that machine learning can improve the accuracy and nuance of personality tests like DISC assessment. Using over 1,000 participants, researchers achieved accuracy rates of over 93% in predicting personality types and identified four clear clusters with subtle overlaps.
Researchers are using preclinical mouse models and patient studies to identify cellular and circuit-level mechanisms driving mood-state transitions. The goal is to develop new treatments by rescuing dysfunctional brain circuits in depression.
A study of nearly 700,000 health records reveals that young people with cannabis use disorder are more likely to be diagnosed with psychiatric disorders, such as schizophrenia, recurrent major depression, and anxiety disorders. In contrast, adults with cannabis use disorder are less likely to develop these conditions.
A new UCLA study found that adding immunotherapy to standard chemotherapy before surgery is safe and shows promise for some patients with borderline-resectable pancreatic cancer. The combination treatment helped patients live long enough to reach surgery, shrank tumors, and produced encouraging survival outcomes.
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.
The study found that mania accounts for more than 80% of the genetic variation in bipolar disorder. The researchers identified 71 genetic variants linked specifically to mania, including 18 regions of genes that had never previously been associated with bipolar disorder.
Researchers developed a scientifically validated personality test framework for AI chatbots, showing that larger models accurately emulated human traits and could be reliably shaped through prompts. The study raises concerns about AI safety and ethics, highlighting the need for regulation to prevent misuse.
A major new study from University of Limerick analysing almost six million person-years of data has revealed that personality traits are linked to longevity and risk of death. The research highlights that personality is likely associated with risk of death through an influence on a range of health behaviours and biological processes.
The study pooled data from 90 previously published research papers, standardizing 162 different phenotypes, including life events, traits, or choices. The researchers found five large groups of personality profiles, each characterized by distinct patterns of neuroticism, extraversion, and sociability.
A new study using the Harry Potter Personality Quiz found that regions with more Gryffindors and Slytherins have higher start-up activity. This suggests that rule-challenging behavior, driven by moral conviction or ambition, is closely linked to entrepreneurial action.
A new study reveals limited data on cognition in individuals with comorbid personality disorder and schizophrenia, leading to unfavourable outcomes. The researchers emphasize the need for further investigation into adapting treatments to support functional recovery.
The December issues of The American Journal of Psychiatry and Psychiatric Services feature updates on substance use disorders, depression, and borderline personality disorder treatment. New research on trauma interventions in schools aims to improve mental health support for students.
A free webinar explores the relationship between sleep and borderline personality disorder, featuring preliminary results from a clinical trial on the effects of a single-session sleep intervention. The study suggests that optimized sleep habits could be a crucial factor in preventing BPD symptoms.
The Brain & Behavior Research Foundation invites educators to explore a public-health approach for strengthening mental health in schools. This approach emphasizes the importance of incorporating universal screening and school-based mental health initiatives in the classroom.
The BD² Discovery Research program awards $18 million to researchers exploring the neural circuitry of bipolar disorder. This funding enables the development of innovative treatment approaches and accelerates better care for those living with the condition.
The Brain & Behavior Research Foundation is hosting its 2025 International Mental Health Research Symposium, featuring leading scientists presenting their latest research on ADHD, schizophrenia, and more. The event is free and open to the public, with in-person and virtual registration options available.
A new study by Binghamton University reveals that individuals with narcissistic, psychopathic, and Machiavellian personality traits exploit touch as a means of control in romantic relationships. They tend to have short-term, tumultuous relationships, often accompanied by violence.
A new study published in PLOS One found that team diversity in personality traits can contribute to greater resilience under extended isolation and operational load. The researchers used agent-based modeling to simulate the impact of team composition on stress, health, performance, and cohesion over a 500-day Mars mission.
The Brain & Behavior Research Foundation will host a free webinar on October 14, 2025, examining the biological factors that contribute to suicide risk and what can be done to strengthen prevention efforts. Featured speaker Steven Lamontagne, Ph.D., will discuss preliminary effects of ketamine treatment on outcomes.
Breakthrough Discoveries for Thriving with Bipolar Disorder (BD²) has announced a fourth round of Discovery Research funding for bipolar disorder. The program aims to support groundbreaking research into the genetic, molecular, cellular, circuit, and behavioral mechanisms of the disorder.
Research published in BMJ Mental Health found a strong association between the co-occurrence of psychiatric disorders and an increased risk of dementia. The study analyzed data from 3688 patients with one or more psychiatric disorders, finding that those with four or more disorders were 11 times as likely to develop dementia.
A new study found that children's personality traits such as conscientiousness and open-mindedness have a significant impact on their academic performance. The research, conducted across seven countries, showed that these traits can help reduce educational inequality and improve social mobility.
A UCLA study reveals how a region of the medial prefrontal cortex integrates information across the brain to coordinate physiological and behavioral responses. The findings could help develop targeted therapies for stress-related and social dysfunction disorders.
A recent study has found a significant positive relationship between sensitivity and common mental health problems such as depression and anxiety. Highly sensitive individuals are more likely to benefit from treatment plans involving applied relaxation and mindfulness.
Researchers analyzed over 66,000 Reddit posts from individuals with borderline personality disorder and found that decreased social connectedness, negative emotions, and hostile language can predict self-harm behaviors. Online support community posts may unintentionally reinforce harmful patterns of thinking and behavior through likes ...
Researchers used AI tools to analyze posts from 54 Reddit communities, finding similarities in speech patterns between hate speech groups and communities for certain psychiatric disorders. The study suggests that exposing oneself to hate speech online may lead to decreased empathy and traits similar to Cluster B personality disorders.
A major study by researchers at Aarhus University found that most cases of depression and schizophrenia occur in people without a family history of the condition. The study used data from over 3 million Danes to estimate absolute and relative risks of mental disorders in families.
A Michigan State University study found that better handling of daily stress is associated with increased extroversion, agreeability, and openness to new experiences over a nearly 20-year period. Conversely, poor stress management leads to reduced extroversion, decreased agreeableness, and increased introversion.
The BD² Integrated Network, a collaborative research model, aims to improve care and outcomes for people with bipolar disorder. The Ottawa Hospital Research Institute will receive $2.3 million to join the network, accelerating recruitment and advancing discovery.
Researchers discovered that people with certain personality traits may benefit from specific workouts, with those high in neuroticism showing a strong reduction in stress after exercise. The study highlights the importance of finding enjoyable physical activities to improve commitment and engagement.
A new study from UCL found correlations between exercise type and personality traits, including extroverts' preference for high-intensity exercise and those with neuroticism trait enjoying short bursts of activity. The research suggests that understanding individual personality can help tailor physical activity recommendations to suppo...
A new study by Michigan State University found that people's personality perceptions of tattooed individuals are often inaccurate. Researchers discovered that those with quirky or wacky tattoos were accurately judged as open-minded and open to new experiences, despite not aligning with other traits.
A study found that CEOs with Machiavellian personalities, characterized by self-interest and manipulation, earn significantly more than their counterparts. These leaders often secure higher pay through negotiation skills, benefiting both the company and themselves.
Researchers used BERT and RoBERTa AI models to detect personality traits from written texts, analyzing the influence of linguistic elements on predictions. The study highlights the limitations of the Myers-Briggs Type Indicator model and demonstrates the potential for more natural and less intrusive assessment methods.
Dr. John Oldham's contributions have fundamentally reshaped personality disorder classification, moving from rigid categories to a more nuanced dimensional system. His Alternative DSM-5 Model for Personality Disorders (AMPD) has marked the most significant epistemological shift in psychiatric diagnosis for decades.
A new study reveals that bedtime procrastination is associated with specific personality traits, including neuroticism and low conscientiousness. This finding suggests that emotional health may be a potential target for interventions to address bedtime procrastination.
A new study of college undergraduates in Japan found that self-perception of athletic ability is linked to personality traits, family characteristics, and prior sports experience. Students who perceived themselves as more athletic tended to be younger siblings, have a growth mindset, and come from households with higher incomes.
A new study by ECU Masters student Tee-Jay Scott and Professor Joanne Dickson found that acute stress may impair key brain functions involved in managing emotions, particularly in people living with depression, anxiety, and borderline personality disorder. The researchers suggest that these disruptions could undermine the effectiveness...
A study by the University of São Paulo found a direct relationship between personality traits and insomnia, revealing that high levels of neuroticism are common among insomniacs. High openness was associated with low levels of insomnia, while anxiety played a key role in perpetuating the disorder.
Researchers found that specific combinations of personality traits can predict bipolar disorder outcomes, with certain styles raising and others lowering the risk of depression. The study used data from over 2,500 people with bipolar disorder and suggests a personalized approach to treatment planning.