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Tag: "social" at biology news

Largest genomic search finds genes that may contribute to autism

...bits a person's ability to communicate and develop social relationships. It is often accompanied by extreme behavior challenges. Autism Spectrum Disorders are diagnosed in one of 166 children in the United States and affect four times as many boys as girls. "These findings are a piece of the puzzle. As...

Bumblebee house warming -- it takes a village

...s in-nest tasks is not interchangeable among these social insects. Instead, the researchers found strong evidence for job specialization, even when a colony was artificially forced to step up its rate of incubation, according to Sean O'Donnell, a UW associate professor of psychology and member of the resear...

New protein implicated in autism

...ibility region of human chromosome 7, had impaired social interactions (when pairs of CADPS2-deficient mice that had never met were placed together they interacted substantially less frequently than pairs of wild-type mice that had never met), hyperactivity, and decreased exploration of a new environment; a...

New evidence of 'human' culture among primates

...ady been made for great apes having a capacity for social learning, but until now there has been no evidence...cies indeed have the capacity to acquire skills by social learning, or whether the different skill sets exhibited by different groups of the same species are ...

Fish can determine their social rank by observation alone, study finds

...le to hold territories and consequently descend in social status," the authors wrote. "Success in aggressive...ive inference to figure out where they rank in the social order," Fernald said. "I was amazed that they could do this through vicarious experience, just by wa...

Does a peptide affect the heart's response to social isolation?

...in, a peptide produced by the brain that regulates social behavior, has found that it can prevent detrimenta...rdiac responses in adult female animals exposed to social isolation. The findings may provide further insight into how these mechanisms affect humans. The s...

'The eyes have it' -- Autism research yields surprising results

... that this lack of ability could be central to the social problems experienced by autistic children and adults. But the latest findings cast doubt on this hypothesis. A study at The University of Nottingham found that autistic children were able to interpret mental states when looking at animated facial ...

Ape gestures offer clues to the evolution of human communication

...e an entirely different message depending upon the social context in which it is used. "A chimpanzee may stretch out an open hand to another as a signal for support, whereas the same gesture toward a possessor of food signals a desire to share," said Pollick. "A scream, however, is a typical response fo...

HIV dementia alarmingly high in Africa

...r poor regions of the world adds enormously to the social and economic burden of their populations and governments. Dementia not only disrupts jobs and adds to the cost of care, but also interferes with a patient’s ability to adhere to a regular course of antiretroviral medication, thus increasing the risk ...

Power emerges from consensus in monkey social networks

..., the role communication plays in the emergence of social structures is rarely studied. In a new paper from ... conflict management, which is in turn critical to social cohesion." ...

Older fathers more likely to have autistic children

...MA/Archives journals. Autism is characterized by social and language abnormalities and repetitive patterns of behavior, according to background information in the article. Autism and related conditions, known collectively as autism spectrum disorders, have become increasingly common, affecting 50 in ever...

Anticipation plays a powerful role in human memory, brain study finds

... such as post-traumatic stress disorder (PTSD) and social anxiety, which are often characterized by flashbacks and intrusive memories of upsetting events. "The main motivation for this study was a clinical one, in terms of understanding and applying knowledge about memory so that we can better inform the ...

Why do some queen bees eat their worker bee's eggs?

...n theory is important when studying relatedness in social behavior. Social insects, with their great variation in kinship, have been a key test bed of the theory, and the theory has revolutionized our understanding of insect societies." ...

Designer babies - what would you do for a 'healthy' baby?

...ipulation of children's physical, psychological or social characteristics is legitimate, natural or ethical....n characteristics. Parents see different physical, social and intellectual characteristics as desirable depending on the sex of the child. Older women and chi...

Road-crossing in chimpanzees: A risky business

...ape our hypotheses about the emergence of hominoid social organization. Progression order--the order in which individuals travel within a group--was studied in the small community of chimpanzees (Pan troglodytes verus) at Bossou, Guinea, West Africa as they crossed two roads, one large and busy with traf...

Fishy cooperation

...hallenged by claims of high intelligence and great social complexity in other animals. For example, spotted hyenas establish hierarchies in which dominant females support the rank contests of their daughters. Bottlenose dolphins form "political" coalitions every bit as complex as those of chimpanzees. Caled...

A buffet for early human relatives

...d a variety of foods. "Thus, other biological, social or cultural differences may be needed to explain the different fates of Homo and Paranthropus," the scientists conclude. ...

Ebola-outbreak kills 5000 gorillas

...ed to trigger an epidemic that spread from gorilla social group to gorilla social group. This opens the door to targeted vaccination strategies that, by breaking the chain of transmi...

Replacing insulin is top-ranked breakthrough foreseen for health in developing world

...betes." Many panellists noted the heavy health, social and economic burdens that result from widespread diabetes in developing countries. Controlling that disease would consequently reduce complications such as blindness, heart disease, chronic kidney disease and diabetic ulcers, they noted, adding that...

Did 'ABCs' cause Uganda's fall in HIV rates?

...ntext of Uganda's political leadership, nationwide social mobilization and gender empowerment policies, both... for many young women in Uganda, they say, is that social circumstances drive them into transactional or commercial sex to pay for, among other things, school...

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