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personality

·June 24, 2025·4 min read

Choose Your Battles: Identity Shapes Displaced Aggression

Displaced aggression—redirecting frustration onto an uninvolved target—has now been studied in mice, revealing that identity and social history play key roles in shaping aggressive behavior. Male mice primed by seeing a rival behind a barrier showed increased aggression only when the rival was unfamiliar or lacked a clear social hierarchy.

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·June 13, 2025·4 min read

Your Unique Breathing Patterns May Reveal Your Identity and Mental Health

New research reveals that each person has a unique breathing “fingerprint” that can be used to identify them with nearly 97% accuracy. By continuously monitoring nasal airflow over 24 hours using a lightweight wearable, scientists discovered that these patterns also reflect physical and mental health traits.

Featured Neuroscience Psychology

·May 31, 2025·4 min read

How Personality Shapes Emotional Intimacy

While neuroticism is strongly associated with lower relationship satisfaction, the behavioral mechanisms driving this link have remained unclear. In a week-long daily diary study involving 246 participants, researchers identified specific negative and positive behaviors in romantic relationships.

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·May 29, 2025·4 min read

How Personality and Family Shape Athletic Self-Perception

A new study of Japanese undergraduates finds that students' perceptions of their own athletic ability are shaped by a mix of personality traits, childhood environment, and social feedback. Those who rated themselves as more athletic also tended to display grit, resilience, and a growth mindset. Factors like early walking age, athletic parents, frequent sports participation, and being called athletic by others were also linked to higher self-ratings.

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·May 19, 2025·9 min read

Insomnia Isn’t Just About Sleep, Your Personality Plays a Role

Certain personality traits significantly influence the risk of developing insomnia. People with high levels of neuroticism—a trait linked to emotional instability—were much more likely to experience sleep disturbances.

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·May 17, 2025·6 min read

Personality Could Help Predict Bipolar Disorder

New research suggests that personality testing could help tailor treatment for people with bipolar disorder by predicting who is more likely to experience recurrent depression or struggle with daily life functioning. Analyzing data from over 2,500 individuals, researchers identified combinations of personality traits—called personality styles—that either increase or protect against long-term mental health risks.

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·May 8, 2025·4 min read

Genetics, Not Parenting, Shapes Personality

New research challenges many widely held beliefs in psychology, revealing that genetics may play a greater role in shaping personality than parenting. The findings also dispute common assumptions about gender-based personality differences, the power of subliminal messaging, and the effectiveness of brain training.

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·May 2, 2025·5 min read

Personality Traits Strongly Linked to Mental Health Risks

A major study of over 16,000 participants found that personality traits explain about 25% of the overall risk for mental health problems like depression, anxiety, and phobias. Traits such as higher neuroticism, higher agreeableness, and lower conscientiousness were particularly associated with general mental health risk.

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·April 27, 2025·3 min read

Personality and Competition Shape Reproductive Success

A new study finds that male house mice adopt flexible mating strategies tied to their personality traits and environment. Some males consistently defend territories, while others roam for mates, adjusting based on body condition, rivals, and social surroundings.

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·December 27, 2024·5 min read

The Personality Gap Between Singles and the Partnered

Lifelong singles score lower on life satisfaction and show distinct personality traits compared to those in long-term relationships. Using data from 77,000 Europeans aged 50+, researchers observed that lifelong singles are less extroverted, conscientious, and open to new experiences. While single women report higher satisfaction than single men, societal expectations about marriage further impact satisfaction levels in cultures with high marriage rates.

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Featured Neuroscience Psychology

·December 17, 2024·3 min read

AI Tweaks Personality Tests to Appear More Likable

Large language models (LLMs) can identify when they are being given personality tests and adjust their responses to appear more socially desirable. Researchers found that LLMs, like GPT-4, showed exaggerated traits such as reduced neuroticism and increased extraversion when asked multiple test questions.

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Featured Neuroscience Psychology

·November 4, 2024·5 min read

Personality Traits Linked to Physical Activity and Sedentary Patterns

A new study reveals that personality traits influence both physical activity and sedentary behavior patterns. People with resilient personalities, marked by high conscientiousness and extraversion, tend to engage in longer sessions of both physical activity and sedentary periods. In contrast, those with a brittle personality, often associated with neuroticism, interrupt sedentary times more frequently, which may benefit health. This research highlights how personality can shape health behaviors and may impact long-term well-being.