Social Behavior News

Yale Research Shows People with a Mental Illness are More Likely to Smoke

April 16, 2014

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New research from Yale University shows that people with a mental illness are much more likely to smoke cigarettes and are less likely to quit smoking than those without mental illness. Those in the United States with a mental illness diagnosis are much more likely to smoke cigarettes and smoke more heavily, and are less […]

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UC Berkeley Study Links Sleep Deprivation to Junk Food Cravings

August 9, 2013

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A UC Berkeley has linked sleep deprivation to junk food cravings, finding that high-level brain regions required for complex judgments and decisions become blunted by a lack of sleep, while more primal brain structures that control motivation and desire are amplified. Berkeley — A sleepless night makes us more likely to reach for doughnuts or […]

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Warmer Weather and Precipitation Increase the Risk of Violence

August 5, 2013

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A newly published study from Princeton University and UC Berkeley reveals that slight increases in temperature and precipitation result in increased human conflict. Should climate change trigger the upsurge in heat and rainfall that scientists predict, people may face a threat just as perilous and volatile as extreme weather — each other. Researchers from Princeton […]

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Attractive Bonobo Females Are More Likely to Win Conflicts Against Males

July 15, 2013

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In a new study, evolutionary anthropologists reveal that attractive bonobo females are more likely to win conflicts against males. Female social dominance over males is rare among mammal species. Bonobos, one of our closest living relatives, are known for females holding relatively high social statuses when compared to males; though this is puzzling as the […]

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Brain Regions Associated With the Successful Spread of Ideas Identified

July 8, 2013

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UCLA scientists have identified for the first time the brain regions associated with the successful spread of ideas. How do ideas spread? What messages will go viral on social media, and can this be predicted? UCLA psychologists have taken a significant step toward answering these questions, identifying for the first time the brain regions associated […]

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Hunger Affects Behavior and Changes Pathways in the Brain

July 1, 2013

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Scientists at the Max Planck Institute have shown in a new study that hunger modifies behavior and changes pathways in the brain, revealing that hunger affects decision making and perception of risk in fruit flies. Hungry people are often difficult to deal with. A good meal can affect more than our mood, it can also […]

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Scientists Synthesize the First Biologically Effective Perfume

February 5, 2013

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Scientists from the Max Planck Institute discovered that women prefer the smell of men who have different immune gene variants than they themselves have, cracking the olfactory code for partner selection and synthesizing the first biologically effective perfume. Individual body odor plays an important role in partner selection. Humans, mice, fish and birds, and probably […]

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Sexual Frequency between Married Couples Linked to Household Chores

January 30, 2013

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A new study from the University of Washington shows that sex between married couples is linked to what types of chores each spouse completes. Married men and women who divide household chores in traditional ways report having more sex than couples who share so-called men’s and women’s work, according to a new study co-authored by […]

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Dolphins Form “Life Raft” to Try to Save Dying Companion

January 28, 2013

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For the first time caught on video, Korean-based scientists witnessed a group of dolphins trying to help another dying dolphin by forming a “life raft.” Details of the behavior are reported in the journal Marine Mammal Science. Publication: Kyum J. Park, Hawsun Sohn, Yong R. An, Dae Y. Moon, Seok G. Choi, Doo H. An, […]

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Research Shows Frequent Multitaskers Overrate Their Ability

January 25, 2013

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New research from the University of Utah shows that the people most likely to multitask have the lowest multitasking ability, including people who talk on cell phones while driving. Most people believe they can multitask effectively, but a University of Utah study indicates that people who multitask the most – including talking on a cell […]

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The Hormone Oxytocin Plays a Key Role in Maintaining Social Relations in Chimpanzees

January 23, 2013

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Scientists from the Max Planck Institute have discovered that cooperative relationships between chimpanzees are facilitated by an endocrinological mechanism involving the hormone oxytocin, even when these are between non-kin. Animals which maintain cooperative relationships show gains in longevity and offspring survival. However, little is known about the cognitive or hormonal mechanisms involved in cooperation. Researchers […]

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Swarm Study Offers a New Way to Look at Collective Animal Motion

January 18, 2013

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New research from scientists at the Yale School of Engineering & Applied Science may lead to a better understanding of how local, spontaneous interaction among living things leads to the organization of collective animal motion. The adulthood of a midge fly is decidedly brief — about three days. But a new study of its mating […]

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