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Tag: "social" at biology news

Depression model leaves mice with molecular scar

In addition to triggering a depression-like social withdrawal syndrome, repeated defeat by dominant a...ic factor (BDNF) to normal levels and reversed the social withdrawal behavior. BDNF in the hippocampus has been linked to memory, learning and depression, but...

New book on rain forests, slash-and-burn agriculture

...new book assessing the environmental, economic and social impacts of farming in tropical rain forests. "Slash-and-Burn Agriculture: The Search for Alternatives" details the causes and consequences of the annual destruction of 80,000 square miles of rain forest. The forests are cleared by rural farmers to f...

UCLA imaging study of children with autism finds broken mirror neuron system

...lly. Symptoms of autism include difficulties with social interaction -- including verbal and nonverbal comm...ysfunctional mirror neuron system may underlie the social deficits observed in autism," said Mirella Dapretto, lead author and assistant professor in residenc...

Travelers can avoid jet lag by resetting their body clocks

...erson's internal biological clock and the external social environment. Both bright light and melatonin have successfully been used in laboratory and field settings to "phase advance" (resetting the circadian clock earlier in time so that all the circadian rhythms of the body occur earlier) thereby helping ...

New study of the world's smallest elephant

...ment information concerning the ecology, genetics, social structure, dispersal and conflicts with agriculture. Dr Benoît Goossens who will carry out the research, said the need for the project was identified by wildlife authorities in Sabah during a previous Darwin Initiative grant to study orangutans. H...

Performing monkeys in Asia carry viruses that could jump species to humans

...unclear," said Dr. Michael Schillaci, professor of social sciences at the University of Toronto at Scarborough and lead author on the study. "But the contact here can be very intense." Also troubling are the animal markets where many performing monkeys are acquired by their trainers. The markets typically...

Largest computational biology simulation mimics life’s most essential nanomachine

...eloping world. Patients will do fine regardless of social and economic status, provided the necessary infrastructure and funding are in place," said Richard Marlink, M.D., senior author of the article and professor in the Department of Immunology and Infectious Diseases at Harvard School of Public Health (H...

New Therapeutic Target Identified In Inherited Brain Tumor Disorder

...eloping world. Patients will do fine regardless of social and economic status, provided the necessary infrastructure and funding are in place," said Richard Marlink, M.D., senior author of the article and professor in the Department of Immunology and Infectious Diseases at Harvard School of Public Health (H...

HIV-infected adults in Botswana respond positively to ARV therapy public treatment program

...eloping world. Patients will do fine regardless of social and economic status, provided the necessary infrastructure and funding are in place," said Richard Marlink, M.D., senior author of the article and professor in the Department of Immunology and Infectious Diseases at Harvard School of Public Health (H...

Mapping alcohol brain damage

...the front of the brain, which affect planning, and social interactions and inhibitions. The UQ team with collaborators from The University of Texas, want to find out what makes these cells so vulnerable. Professor Dodd said his team was analysing brain tissue from dead alcoholics, mostly Anglo-Celtic me...

Olfactory system detects pheromones that control reproduction

...verns a range of genetically preprogrammed mating, social ranking, maternal, and territorial defense behaviors. In their experiments, Dulac and her colleagues sought to determine whether sensory neurons in the main olfactory epithelium and the VNO were connected to neurons in the brain that synthesize lute...

Sahara's edge studied from ground, air and space to improve water management

...ased systems to help achieve sustainable economic, social and environmental development. ...

Why we give: New study finds evidence of generosity among our early human ancestors

...ionship between acts of giving and receiving among social partners. Contingency is important because it sets the rules for who qualifies as a free-rider or cheater in exchange relations." A rigorous effort to quantify the extent and magnitude of different forms of payback in exchange relationships, the stu...

Do the Europeans turn ill sitting up so late?

...of poor sleep from the medical as well as from the social point of view. This EU-financed sleep research pro...ical and behavioural effects of sleep loss and its social consequences. Sleep loss can be a consequence of sleep disorders, shift work, socio-economic constra...

'Perception' gene tracked humanity's evolution, scientists say

...icated in the anticipation and experience of pain, social attachment and bonding, as well as learning and memory. "Humans have the ability to turn on this gene more easily and more intensely than other primates," said IU Bloomington computational biologist Matthew Hahn, who did the brunt of the population...

Womb needed for proper brain development

...ctual functions, including attention, planning and social judgment. Dr. Witelson said more research is needed to consider what in utero mechanisms are essential for brain maturation and the optimal conditions and treatment needed to foster brain development for very premature infants who are treated in neo...

Brain activity related to processing faces is similar in people with, without autism

...d some experts to consider this a key cause of the social impairments observed in autism. But Belger and Dic...eficits were further compounded by the presence of social cues on which executive decisions had to be based," Belger added. The study compared fMRI scans of ...

New study examines how sense of smell affects mating and aggression in mice

...ing system in mice sends signals that affect their social behavior. "Understanding how mice process cues f...tem. Pheromones are olfactory cues that signal the social and sexual status of individuals of a species, and their detection is a key step in regulating behav...

Stroke treatment a step closer after trial

...e each year. It accounts for 6.5% of total NHS and social services expenditure and there are currently no treatments available. Stroke occurs when vessels supplying blood to the brain become blocked and the brain is starved of oxygen. A core area of the brain dies within minutes but it is the threatened ar...

Russian 'surrogate' alcohols are a killer

...ncome inequality, long-lasting underfunding of the social sector, and an insufficient health-care system. Alcohol is used as a means of escape from reality." McKee is hopeful that the Russian government has become aware of the seriousness of the problem. "Following a meeting that we had with President Pu...

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